1 | #
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2 | # For a description of the syntax of this configuration file,
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3 | # see scripts/kbuild/config-language.txt.
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4 | #
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5 |
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6 | menu "Linux System Utilities"
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7 |
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8 | INSERT
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9 |
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10 | config ACPID
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11 | bool "acpid"
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12 | default y
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13 | depends on PLATFORM_LINUX
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14 | help
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15 | acpid listens to ACPI events coming either in textual form from
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16 | /proc/acpi/event (though it is marked deprecated it is still widely
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17 | used and _is_ a standard) or in binary form from specified evdevs
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18 | (just use /dev/input/event*).
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19 |
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20 | It parses the event to retrieve ACTION and a possible PARAMETER.
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21 | It then spawns /etc/acpi/<ACTION>[/<PARAMETER>] either via run-parts
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22 | (if the resulting path is a directory) or directly as an executable.
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23 |
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24 | N.B. acpid relies on run-parts so have the latter installed.
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25 |
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26 | config FEATURE_ACPID_COMPAT
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27 | bool "Accept and ignore redundant options"
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28 | default y
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29 | depends on ACPID
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30 | help
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31 | Accept and ignore compatibility options -g -m -s -S -v.
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32 |
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33 | config BLKID
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34 | bool "blkid"
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35 | default y
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36 | depends on PLATFORM_LINUX
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37 | select VOLUMEID
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38 | help
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39 | Lists labels and UUIDs of all filesystems.
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40 | WARNING:
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41 | With all submodules selected, it will add ~8k to busybox.
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42 |
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43 | config DMESG
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44 | bool "dmesg"
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45 | default y
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46 | depends on PLATFORM_LINUX
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47 | help
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48 | dmesg is used to examine or control the kernel ring buffer. When the
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49 | Linux kernel prints messages to the system log, they are stored in
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50 | the kernel ring buffer. You can use dmesg to print the kernel's ring
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51 | buffer, clear the kernel ring buffer, change the size of the kernel
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52 | ring buffer, and change the priority level at which kernel messages
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53 | are also logged to the system console. Enable this option if you
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54 | wish to enable the 'dmesg' utility.
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55 |
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56 | config FEATURE_DMESG_PRETTY
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57 | bool "Pretty dmesg output"
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58 | default y
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59 | depends on DMESG
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60 | help
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61 | If you wish to scrub the syslog level from the output, say 'Y' here.
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62 | The syslog level is a string prefixed to every line with the form
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63 | "<#>".
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64 |
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65 | With this option you will see:
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66 | # dmesg
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67 | Linux version 2.6.17.4 .....
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68 | BIOS-provided physical RAM map:
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69 | BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
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70 |
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71 | Without this option you will see:
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72 | # dmesg
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73 | <5>Linux version 2.6.17.4 .....
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74 | <6>BIOS-provided physical RAM map:
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75 | <6> BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
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76 |
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77 | config FBSET
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78 | bool "fbset"
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79 | default y
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80 | depends on PLATFORM_LINUX
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81 | help
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82 | fbset is used to show or change the settings of a Linux frame buffer
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83 | device. The frame buffer device provides a simple and unique
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84 | interface to access a graphics display. Enable this option
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85 | if you wish to enable the 'fbset' utility.
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86 |
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87 | config FEATURE_FBSET_FANCY
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88 | bool "Turn on extra fbset options"
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89 | default y
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90 | depends on FBSET
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91 | help
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92 | This option enables extended fbset options, allowing one to set the
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93 | framebuffer size, color depth, etc. interface to access a graphics
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94 | display. Enable this option if you wish to enable extended fbset
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95 | options.
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96 |
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97 | config FEATURE_FBSET_READMODE
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98 | bool "Turn on fbset readmode support"
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99 | default y
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100 | depends on FBSET
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101 | help
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102 | This option allows fbset to read the video mode database stored by
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103 | default as /etc/fb.modes, which can be used to set frame buffer
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104 | device to pre-defined video modes.
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105 |
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106 | config FDFLUSH
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107 | bool "fdflush"
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108 | default y
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109 | depends on PLATFORM_LINUX
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110 | help
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111 | fdflush is only needed when changing media on slightly-broken
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112 | removable media drives. It is used to make Linux believe that a
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113 | hardware disk-change switch has been actuated, which causes Linux to
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114 | forget anything it has cached from the previous media. If you have
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115 | such a slightly-broken drive, you will need to run fdflush every time
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116 | you change a disk. Most people have working hardware and can safely
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117 | leave this disabled.
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118 |
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119 | config FDFORMAT
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120 | bool "fdformat"
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121 | default y
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122 | depends on PLATFORM_LINUX
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123 | help
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124 | fdformat is used to low-level format a floppy disk.
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125 |
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126 | config FDISK
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127 | bool "fdisk"
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128 | default y
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129 | depends on PLATFORM_LINUX
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130 | help
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131 | The fdisk utility is used to divide hard disks into one or more
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132 | logical disks, which are generally called partitions. This utility
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133 | can be used to list and edit the set of partitions or BSD style
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134 | 'disk slices' that are defined on a hard drive.
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135 |
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136 | config FDISK_SUPPORT_LARGE_DISKS
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137 | bool "Support over 4GB disks"
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138 | default y
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139 | depends on FDISK
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140 | help
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141 | Enable this option to support large disks > 4GB.
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142 |
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143 | config FEATURE_FDISK_WRITABLE
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144 | bool "Write support"
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145 | default y
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146 | depends on FDISK
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147 | help
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148 | Enabling this option allows you to create or change a partition table
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149 | and write those changes out to disk. If you leave this option
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150 | disabled, you will only be able to view the partition table.
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151 |
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152 | config FEATURE_AIX_LABEL
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153 | bool "Support AIX disklabels"
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154 | default n
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155 | depends on FDISK && FEATURE_FDISK_WRITABLE
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156 | help
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157 | Enabling this option allows you to create or change AIX disklabels.
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158 | Most people can safely leave this option disabled.
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159 |
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160 | config FEATURE_SGI_LABEL
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161 | bool "Support SGI disklabels"
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162 | default n
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163 | depends on FDISK && FEATURE_FDISK_WRITABLE
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164 | help
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165 | Enabling this option allows you to create or change SGI disklabels.
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166 | Most people can safely leave this option disabled.
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167 |
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168 | config FEATURE_SUN_LABEL
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169 | bool "Support SUN disklabels"
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170 | default n
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171 | depends on FDISK && FEATURE_FDISK_WRITABLE
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172 | help
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173 | Enabling this option allows you to create or change SUN disklabels.
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174 | Most people can safely leave this option disabled.
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175 |
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176 | config FEATURE_OSF_LABEL
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177 | bool "Support BSD disklabels"
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178 | default n
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179 | depends on FDISK && FEATURE_FDISK_WRITABLE
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180 | help
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181 | Enabling this option allows you to create or change BSD disklabels
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182 | and define and edit BSD disk slices.
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183 |
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184 | config FEATURE_GPT_LABEL
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185 | bool "Support GPT disklabels"
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186 | default n
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187 | depends on FDISK && FEATURE_FDISK_WRITABLE
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188 | help
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189 | Enabling this option allows you to view GUID Partition Table
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190 | disklabels.
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191 |
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192 | config FEATURE_FDISK_ADVANCED
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193 | bool "Support expert mode"
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194 | default y
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195 | depends on FDISK && FEATURE_FDISK_WRITABLE
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196 | help
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197 | Enabling this option allows you to do terribly unsafe things like
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198 | define arbitrary drive geometry, move the beginning of data in a
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199 | partition, and similarly evil things. Unless you have a very good
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200 | reason you would be wise to leave this disabled.
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201 |
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202 | config FINDFS
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203 | bool "findfs"
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204 | default y
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205 | depends on PLATFORM_LINUX
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206 | select VOLUMEID
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207 | help
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208 | Prints the name of a filesystem with given label or UUID.
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209 | WARNING:
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210 | With all submodules selected, it will add ~8k to busybox.
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211 |
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212 | config FLOCK
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213 | bool "flock"
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214 | default y
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215 | help
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216 | Manage locks from shell scripts
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217 |
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218 | config FREERAMDISK
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219 | bool "freeramdisk"
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220 | default y
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221 | depends on PLATFORM_LINUX
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222 | help
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223 | Linux allows you to create ramdisks. This utility allows you to
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224 | delete them and completely free all memory that was used for the
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225 | ramdisk. For example, if you boot Linux into a ramdisk and later
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226 | pivot_root, you may want to free the memory that is allocated to the
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227 | ramdisk. If you have no use for freeing memory from a ramdisk, leave
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228 | this disabled.
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229 |
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230 | config FSCK_MINIX
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231 | bool "fsck_minix"
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232 | default y
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233 | help
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234 | The minix filesystem is a nice, small, compact, read-write filesystem
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235 | with little overhead. It is not a journaling filesystem however and
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236 | can experience corruption if it is not properly unmounted or if the
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237 | power goes off in the middle of a write. This utility allows you to
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238 | check for and attempt to repair any corruption that occurs to a minix
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239 | filesystem.
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240 |
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241 | config MKFS_EXT2
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242 | bool "mkfs_ext2"
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243 | default y
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244 | depends on PLATFORM_LINUX
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245 | help
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246 | Utility to create EXT2 filesystems.
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247 |
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248 | config MKFS_MINIX
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249 | bool "mkfs_minix"
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250 | default y
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251 | depends on PLATFORM_LINUX
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252 | help
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253 | The minix filesystem is a nice, small, compact, read-write filesystem
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254 | with little overhead. If you wish to be able to create minix
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255 | filesystems this utility will do the job for you.
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256 |
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257 | config FEATURE_MINIX2
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258 | bool "Support Minix fs v2 (fsck_minix/mkfs_minix)"
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259 | default y
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260 | depends on FSCK_MINIX || MKFS_MINIX
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261 | help
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262 | If you wish to be able to create version 2 minix filesystems, enable
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263 | this. If you enabled 'mkfs_minix' then you almost certainly want to
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264 | be using the version 2 filesystem support.
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265 |
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266 | config MKFS_REISER
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267 | bool "mkfs_reiser"
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268 | default n
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269 | depends on PLATFORM_LINUX
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270 | help
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271 | Utility to create ReiserFS filesystems.
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272 | Note: this applet needs a lot of testing and polishing.
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273 |
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274 | config MKFS_VFAT
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275 | bool "mkfs_vfat"
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276 | default y
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277 | depends on PLATFORM_LINUX
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278 | help
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279 | Utility to create FAT32 filesystems.
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280 |
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281 | config GETOPT
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282 | bool "getopt"
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283 | default y
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284 | help
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285 | The getopt utility is used to break up (parse) options in command
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286 | lines to make it easy to write complex shell scripts that also check
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287 | for legal (and illegal) options. If you want to write horribly
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288 | complex shell scripts, or use some horribly complex shell script
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289 | written by others, this utility may be for you. Most people will
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290 | wisely leave this disabled.
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291 |
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292 | config FEATURE_GETOPT_LONG
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293 | bool "Support option -l"
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294 | default y if LONG_OPTS
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295 | depends on GETOPT
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296 | help
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297 | Enable support for long options (option -l).
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298 |
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299 | config HEXDUMP
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300 | bool "hexdump"
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301 | default y
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302 | help
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303 | The hexdump utility is used to display binary data in a readable
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304 | way that is comparable to the output from most hex editors.
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305 |
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306 | config FEATURE_HEXDUMP_REVERSE
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307 | bool "Support -R, reverse of 'hexdump -Cv'"
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308 | default y
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309 | depends on HEXDUMP
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310 | help
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311 | The hexdump utility is used to display binary data in an ascii
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312 | readable way. This option creates binary data from an ascii input.
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313 | NB: this option is non-standard. It's unwise to use it in scripts
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314 | aimed to be portable.
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315 |
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316 | config HD
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317 | bool "hd"
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318 | default y
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319 | depends on HEXDUMP
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320 | help
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321 | hd is an alias to hexdump -C.
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322 |
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323 | config HWCLOCK
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324 | bool "hwclock"
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325 | default y
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326 | depends on PLATFORM_LINUX
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327 | help
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328 | The hwclock utility is used to read and set the hardware clock
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329 | on a system. This is primarily used to set the current time on
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330 | shutdown in the hardware clock, so the hardware will keep the
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331 | correct time when Linux is _not_ running.
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332 |
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333 | config FEATURE_HWCLOCK_LONG_OPTIONS
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334 | bool "Support long options (--hctosys,...)"
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335 | default y
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336 | depends on HWCLOCK && LONG_OPTS
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337 | help
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338 | By default, the hwclock utility only uses short options. If you
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339 | are overly fond of its long options, such as --hctosys, --utc, etc)
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340 | then enable this option.
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341 |
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342 | config FEATURE_HWCLOCK_ADJTIME_FHS
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343 | bool "Use FHS /var/lib/hwclock/adjtime"
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344 | default n # util-linux-ng in Fedora 13 still uses /etc/adjtime
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345 | depends on HWCLOCK
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346 | help
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347 | Starting with FHS 2.3, the adjtime state file is supposed to exist
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348 | at /var/lib/hwclock/adjtime instead of /etc/adjtime. If you wish
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349 | to use the FHS behavior, answer Y here, otherwise answer N for the
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350 | classic /etc/adjtime path.
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351 |
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352 | pathname.com/fhs/pub/fhs-2.3.html#VARLIBHWCLOCKSTATEDIRECTORYFORHWCLO
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353 |
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354 | config IPCRM
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355 | bool "ipcrm"
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356 | default y
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357 | help
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358 | The ipcrm utility allows the removal of System V interprocess
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359 | communication (IPC) objects and the associated data structures
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360 | from the system.
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361 |
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362 | config IPCS
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363 | bool "ipcs"
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364 | default y
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365 | depends on PLATFORM_LINUX
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366 | help
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367 | The ipcs utility is used to provide information on the currently
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368 | allocated System V interprocess (IPC) objects in the system.
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369 |
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370 | config LOSETUP
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371 | bool "losetup"
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372 | default y
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373 | depends on PLATFORM_LINUX
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374 | help
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375 | losetup is used to associate or detach a loop device with a regular
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376 | file or block device, and to query the status of a loop device. This
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377 | version does not currently support enabling data encryption.
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378 |
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379 | config LSPCI
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380 | bool "lspci"
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381 | default y
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382 | #depends on PLATFORM_LINUX
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383 | help
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384 | lspci is a utility for displaying information about PCI buses in the
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385 | system and devices connected to them.
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386 |
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387 | This version uses sysfs (/sys/bus/pci/devices) only.
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388 |
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389 | config LSUSB
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390 | bool "lsusb"
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391 | default y
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392 | #depends on PLATFORM_LINUX
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393 | help
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394 | lsusb is a utility for displaying information about USB buses in the
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395 | system and devices connected to them.
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396 |
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397 | This version uses sysfs (/sys/bus/usb/devices) only.
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398 |
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399 | config MDEV
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400 | bool "mdev"
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401 | default y
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402 | depends on PLATFORM_LINUX
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403 | help
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404 | mdev is a mini-udev implementation for dynamically creating device
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405 | nodes in the /dev directory.
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406 |
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407 | For more information, please see docs/mdev.txt
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408 |
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409 | config FEATURE_MDEV_CONF
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410 | bool "Support /etc/mdev.conf"
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411 | default y
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412 | depends on MDEV
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413 | help
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414 | Add support for the mdev config file to control ownership and
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415 | permissions of the device nodes.
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416 |
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417 | For more information, please see docs/mdev.txt
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418 |
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419 | config FEATURE_MDEV_RENAME
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420 | bool "Support subdirs/symlinks"
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421 | default y
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422 | depends on FEATURE_MDEV_CONF
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423 | help
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424 | Add support for renaming devices and creating symlinks.
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425 |
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426 | For more information, please see docs/mdev.txt
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427 |
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428 | config FEATURE_MDEV_RENAME_REGEXP
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429 | bool "Support regular expressions substitutions when renaming device"
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430 | default y
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431 | depends on FEATURE_MDEV_RENAME
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432 | help
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433 | Add support for regular expressions substitutions when renaming
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434 | device.
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435 |
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436 | config FEATURE_MDEV_EXEC
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437 | bool "Support command execution at device addition/removal"
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438 | default y
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439 | depends on FEATURE_MDEV_CONF
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440 | help
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441 | This adds support for an optional field to /etc/mdev.conf for
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442 | executing commands when devices are created/removed.
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443 |
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444 | For more information, please see docs/mdev.txt
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445 |
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446 | config FEATURE_MDEV_LOAD_FIRMWARE
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447 | bool "Support loading of firmwares"
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448 | default y
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449 | depends on MDEV
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450 | help
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451 | Some devices need to load firmware before they can be usable.
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452 |
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453 | These devices will request userspace look up the files in
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454 | /lib/firmware/ and if it exists, send it to the kernel for
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455 | loading into the hardware.
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456 |
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457 | config MKSWAP
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458 | bool "mkswap"
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459 | default y
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460 | help
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461 | The mkswap utility is used to configure a file or disk partition as
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462 | Linux swap space. This allows Linux to use the entire file or
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463 | partition as if it were additional RAM, which can greatly increase
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464 | the capability of low-memory machines. This additional memory is
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465 | much slower than real RAM, but can be very helpful at preventing your
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466 | applications being killed by the Linux out of memory (OOM) killer.
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467 | Once you have created swap space using 'mkswap' you need to enable
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468 | the swap space using the 'swapon' utility.
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469 |
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470 | config FEATURE_MKSWAP_UUID
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471 | bool "UUID support"
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472 | default y
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473 | depends on MKSWAP
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474 | help
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475 | Generate swap spaces with universally unique identifiers.
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476 |
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477 | config MORE
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478 | bool "more"
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479 | default y
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480 | help
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481 | more is a simple utility which allows you to read text one screen
|
---|
482 | sized page at a time. If you want to read text that is larger than
|
---|
483 | the screen, and you are using anything faster than a 300 baud modem,
|
---|
484 | you will probably find this utility very helpful. If you don't have
|
---|
485 | any need to reading text files, you can leave this disabled.
|
---|
486 |
|
---|
487 | config MOUNT
|
---|
488 | bool "mount"
|
---|
489 | default y
|
---|
490 | depends on PLATFORM_LINUX
|
---|
491 | help
|
---|
492 | All files and filesystems in Unix are arranged into one big directory
|
---|
493 | tree. The 'mount' utility is used to graft a filesystem onto a
|
---|
494 | particular part of the tree. A filesystem can either live on a block
|
---|
495 | device, or it can be accessible over the network, as is the case with
|
---|
496 | NFS filesystems. Most people using BusyBox will also want to enable
|
---|
497 | the 'mount' utility.
|
---|
498 |
|
---|
499 | config FEATURE_MOUNT_FAKE
|
---|
500 | bool "Support option -f"
|
---|
501 | default y
|
---|
502 | depends on MOUNT
|
---|
503 | help
|
---|
504 | Enable support for faking a file system mount.
|
---|
505 |
|
---|
506 | config FEATURE_MOUNT_VERBOSE
|
---|
507 | bool "Support option -v"
|
---|
508 | default y
|
---|
509 | depends on MOUNT
|
---|
510 | help
|
---|
511 | Enable multi-level -v[vv...] verbose messages. Useful if you
|
---|
512 | debug mount problems and want to see what is exactly passed
|
---|
513 | to the kernel.
|
---|
514 |
|
---|
515 | config FEATURE_MOUNT_HELPERS
|
---|
516 | bool "Support mount helpers"
|
---|
517 | default n
|
---|
518 | depends on MOUNT
|
---|
519 | help
|
---|
520 | Enable mounting of virtual file systems via external helpers.
|
---|
521 | E.g. "mount obexfs#-b00.11.22.33.44.55 /mnt" will in effect call
|
---|
522 | "obexfs -b00.11.22.33.44.55 /mnt"
|
---|
523 | Also "mount -t sometype [-o opts] fs /mnt" will try
|
---|
524 | "sometype [-o opts] fs /mnt" if simple mount syscall fails.
|
---|
525 | The idea is to use such virtual filesystems in /etc/fstab.
|
---|
526 |
|
---|
527 | config FEATURE_MOUNT_LABEL
|
---|
528 | bool "Support specifying devices by label or UUID"
|
---|
529 | default y
|
---|
530 | depends on MOUNT
|
---|
531 | select VOLUMEID
|
---|
532 | help
|
---|
533 | This allows for specifying a device by label or uuid, rather than by
|
---|
534 | name. This feature utilizes the same functionality as blkid/findfs.
|
---|
535 | This also enables label or uuid support for swapon.
|
---|
536 |
|
---|
537 | config FEATURE_MOUNT_NFS
|
---|
538 | bool "Support mounting NFS file systems"
|
---|
539 | default y
|
---|
540 | depends on MOUNT
|
---|
541 | select FEATURE_HAVE_RPC
|
---|
542 | select FEATURE_SYSLOG
|
---|
543 | help
|
---|
544 | Enable mounting of NFS file systems.
|
---|
545 |
|
---|
546 | config FEATURE_MOUNT_CIFS
|
---|
547 | bool "Support mounting CIFS/SMB file systems"
|
---|
548 | default y
|
---|
549 | depends on MOUNT
|
---|
550 | help
|
---|
551 | Enable support for samba mounts.
|
---|
552 |
|
---|
553 | config FEATURE_MOUNT_FLAGS
|
---|
554 | depends on MOUNT
|
---|
555 | bool "Support lots of -o flags in mount"
|
---|
556 | default y
|
---|
557 | help
|
---|
558 | Without this, mount only supports ro/rw/remount. With this, it
|
---|
559 | supports nosuid, suid, dev, nodev, exec, noexec, sync, async, atime,
|
---|
560 | noatime, diratime, nodiratime, loud, bind, move, shared, slave,
|
---|
561 | private, unbindable, rshared, rslave, rprivate, and runbindable.
|
---|
562 |
|
---|
563 | config FEATURE_MOUNT_FSTAB
|
---|
564 | depends on MOUNT
|
---|
565 | bool "Support /etc/fstab and -a"
|
---|
566 | default y
|
---|
567 | help
|
---|
568 | Support mount all and looking for files in /etc/fstab.
|
---|
569 |
|
---|
570 | config PIVOT_ROOT
|
---|
571 | bool "pivot_root"
|
---|
572 | default y
|
---|
573 | depends on PLATFORM_LINUX
|
---|
574 | help
|
---|
575 | The pivot_root utility swaps the mount points for the root filesystem
|
---|
576 | with some other mounted filesystem. This allows you to do all sorts
|
---|
577 | of wild and crazy things with your Linux system and is far more
|
---|
578 | powerful than 'chroot'.
|
---|
579 |
|
---|
580 | Note: This is for initrd in linux 2.4. Under initramfs (introduced
|
---|
581 | in linux 2.6) use switch_root instead.
|
---|
582 |
|
---|
583 | config RDATE
|
---|
584 | bool "rdate"
|
---|
585 | default y
|
---|
586 | help
|
---|
587 | The rdate utility allows you to synchronize the date and time of your
|
---|
588 | system clock with the date and time of a remote networked system using
|
---|
589 | the RFC868 protocol, which is built into the inetd daemon on most
|
---|
590 | systems.
|
---|
591 |
|
---|
592 | config RDEV
|
---|
593 | bool "rdev"
|
---|
594 | default y
|
---|
595 | help
|
---|
596 | Print the device node associated with the filesystem mounted at '/'.
|
---|
597 |
|
---|
598 | config READPROFILE
|
---|
599 | bool "readprofile"
|
---|
600 | default y
|
---|
601 | #depends on PLATFORM_LINUX
|
---|
602 | help
|
---|
603 | This allows you to parse /proc/profile for basic profiling.
|
---|
604 |
|
---|
605 | config RTCWAKE
|
---|
606 | bool "rtcwake"
|
---|
607 | default y
|
---|
608 | depends on PLATFORM_LINUX
|
---|
609 | help
|
---|
610 | Enter a system sleep state until specified wakeup time.
|
---|
611 |
|
---|
612 | config SCRIPT
|
---|
613 | bool "script"
|
---|
614 | default y
|
---|
615 | help
|
---|
616 | The script makes typescript of terminal session.
|
---|
617 |
|
---|
618 | config SCRIPTREPLAY
|
---|
619 | bool "scriptreplay"
|
---|
620 | default y
|
---|
621 | help
|
---|
622 | This program replays a typescript, using timing information
|
---|
623 | given by script -t.
|
---|
624 |
|
---|
625 | config SETARCH
|
---|
626 | bool "setarch"
|
---|
627 | default y
|
---|
628 | depends on PLATFORM_LINUX
|
---|
629 | help
|
---|
630 | The linux32 utility is used to create a 32bit environment for the
|
---|
631 | specified program (usually a shell). It only makes sense to have
|
---|
632 | this util on a system that supports both 64bit and 32bit userland
|
---|
633 | (like amd64/x86, ppc64/ppc, sparc64/sparc, etc...).
|
---|
634 |
|
---|
635 | config SWAPONOFF
|
---|
636 | bool "swaponoff"
|
---|
637 | default y
|
---|
638 | depends on PLATFORM_LINUX
|
---|
639 | help
|
---|
640 | This option enables both the 'swapon' and the 'swapoff' utilities.
|
---|
641 | Once you have created some swap space using 'mkswap', you also need
|
---|
642 | to enable your swap space with the 'swapon' utility. The 'swapoff'
|
---|
643 | utility is used, typically at system shutdown, to disable any swap
|
---|
644 | space. If you are not using any swap space, you can leave this
|
---|
645 | option disabled.
|
---|
646 |
|
---|
647 | config FEATURE_SWAPON_PRI
|
---|
648 | bool "Support priority option -p"
|
---|
649 | default y
|
---|
650 | depends on SWAPONOFF
|
---|
651 | help
|
---|
652 | Enable support for setting swap device priority in swapon.
|
---|
653 |
|
---|
654 | config SWITCH_ROOT
|
---|
655 | bool "switch_root"
|
---|
656 | default y
|
---|
657 | depends on PLATFORM_LINUX
|
---|
658 | help
|
---|
659 | The switch_root utility is used from initramfs to select a new
|
---|
660 | root device. Under initramfs, you have to use this instead of
|
---|
661 | pivot_root. (Stop reading here if you don't care why.)
|
---|
662 |
|
---|
663 | Booting with initramfs extracts a gzipped cpio archive into rootfs
|
---|
664 | (which is a variant of ramfs/tmpfs). Because rootfs can't be moved
|
---|
665 | or unmounted*, pivot_root will not work from initramfs. Instead,
|
---|
666 | switch_root deletes everything out of rootfs (including itself),
|
---|
667 | does a mount --move that overmounts rootfs with the new root, and
|
---|
668 | then execs the specified init program.
|
---|
669 |
|
---|
670 | * Because the Linux kernel uses rootfs internally as the starting
|
---|
671 | and ending point for searching through the kernel's doubly linked
|
---|
672 | list of active mount points. That's why.
|
---|
673 |
|
---|
674 | config UMOUNT
|
---|
675 | bool "umount"
|
---|
676 | default y
|
---|
677 | depends on PLATFORM_LINUX
|
---|
678 | help
|
---|
679 | When you want to remove a mounted filesystem from its current mount
|
---|
680 | point, for example when you are shutting down the system, the
|
---|
681 | 'umount' utility is the tool to use. If you enabled the 'mount'
|
---|
682 | utility, you almost certainly also want to enable 'umount'.
|
---|
683 |
|
---|
684 | config FEATURE_UMOUNT_ALL
|
---|
685 | bool "Support option -a"
|
---|
686 | default y
|
---|
687 | depends on UMOUNT
|
---|
688 | help
|
---|
689 | Support -a option to unmount all currently mounted filesystems.
|
---|
690 |
|
---|
691 | comment "Common options for mount/umount"
|
---|
692 | depends on MOUNT || UMOUNT
|
---|
693 |
|
---|
694 | config FEATURE_MOUNT_LOOP
|
---|
695 | bool "Support loopback mounts"
|
---|
696 | default y
|
---|
697 | depends on MOUNT || UMOUNT
|
---|
698 | help
|
---|
699 | Enabling this feature allows automatic mounting of files (containing
|
---|
700 | filesystem images) via the linux kernel's loopback devices.
|
---|
701 | The mount command will detect you are trying to mount a file instead
|
---|
702 | of a block device, and transparently associate the file with a
|
---|
703 | loopback device. The umount command will also free that loopback
|
---|
704 | device.
|
---|
705 |
|
---|
706 | You can still use the 'losetup' utility (to manually associate files
|
---|
707 | with loop devices) if you need to do something advanced, such as
|
---|
708 | specify an offset or cryptographic options to the loopback device.
|
---|
709 | (If you don't want umount to free the loop device, use "umount -D".)
|
---|
710 |
|
---|
711 | config FEATURE_MOUNT_LOOP_CREATE
|
---|
712 | bool "Create new loopback devices if needed"
|
---|
713 | default y
|
---|
714 | depends on FEATURE_MOUNT_LOOP
|
---|
715 | help
|
---|
716 | Linux kernels >= 2.6.24 support unlimited loopback devices. They are
|
---|
717 | allocated for use when trying to use a loop device. The loop device
|
---|
718 | must however exist.
|
---|
719 |
|
---|
720 | This feature lets mount to try to create next /dev/loopN device
|
---|
721 | if it does not find a free one.
|
---|
722 |
|
---|
723 | config FEATURE_MTAB_SUPPORT
|
---|
724 | bool "Support for the old /etc/mtab file"
|
---|
725 | default n
|
---|
726 | depends on MOUNT || UMOUNT
|
---|
727 | select FEATURE_MOUNT_FAKE
|
---|
728 | help
|
---|
729 | Historically, Unix systems kept track of the currently mounted
|
---|
730 | partitions in the file "/etc/mtab". These days, the kernel exports
|
---|
731 | the list of currently mounted partitions in "/proc/mounts", rendering
|
---|
732 | the old mtab file obsolete. (In modern systems, /etc/mtab should be
|
---|
733 | a symlink to /proc/mounts.)
|
---|
734 |
|
---|
735 | The only reason to have mount maintain an /etc/mtab file itself is if
|
---|
736 | your stripped-down embedded system does not have a /proc directory.
|
---|
737 | If you must use this, keep in mind it's inherently brittle (for
|
---|
738 | example a mount under chroot won't update it), can't handle modern
|
---|
739 | features like separate per-process filesystem namespaces, requires
|
---|
740 | that your /etc directory be writable, tends to get easily confused
|
---|
741 | by --bind or --move mounts, won't update if you rename a directory
|
---|
742 | that contains a mount point, and so on. (In brief: avoid.)
|
---|
743 |
|
---|
744 | About the only reason to use this is if you've removed /proc from
|
---|
745 | your kernel.
|
---|
746 |
|
---|
747 | config VOLUMEID
|
---|
748 | bool #No description makes it a hidden option
|
---|
749 | default n
|
---|
750 |
|
---|
751 | menu "Filesystem/Volume identification"
|
---|
752 | depends on VOLUMEID
|
---|
753 |
|
---|
754 | config FEATURE_VOLUMEID_EXT
|
---|
755 | bool "Ext filesystem"
|
---|
756 | default y
|
---|
757 | depends on VOLUMEID
|
---|
758 | help
|
---|
759 | TODO
|
---|
760 |
|
---|
761 | config FEATURE_VOLUMEID_BTRFS
|
---|
762 | bool "btrfs filesystem"
|
---|
763 | default y
|
---|
764 | depends on VOLUMEID
|
---|
765 | help
|
---|
766 | TODO
|
---|
767 |
|
---|
768 | config FEATURE_VOLUMEID_REISERFS
|
---|
769 | bool "Reiser filesystem"
|
---|
770 | default y
|
---|
771 | depends on VOLUMEID
|
---|
772 | help
|
---|
773 | TODO
|
---|
774 |
|
---|
775 | config FEATURE_VOLUMEID_FAT
|
---|
776 | bool "fat filesystem"
|
---|
777 | default y
|
---|
778 | depends on VOLUMEID
|
---|
779 | help
|
---|
780 | TODO
|
---|
781 |
|
---|
782 | config FEATURE_VOLUMEID_HFS
|
---|
783 | bool "hfs filesystem"
|
---|
784 | default y
|
---|
785 | depends on VOLUMEID
|
---|
786 | help
|
---|
787 | TODO
|
---|
788 |
|
---|
789 | config FEATURE_VOLUMEID_JFS
|
---|
790 | bool "jfs filesystem"
|
---|
791 | default y
|
---|
792 | depends on VOLUMEID
|
---|
793 | help
|
---|
794 | TODO
|
---|
795 |
|
---|
796 | ### config FEATURE_VOLUMEID_UFS
|
---|
797 | ### bool "ufs filesystem"
|
---|
798 | ### default y
|
---|
799 | ### depends on VOLUMEID
|
---|
800 | ### help
|
---|
801 | ### TODO
|
---|
802 |
|
---|
803 | config FEATURE_VOLUMEID_XFS
|
---|
804 | bool "xfs filesystem"
|
---|
805 | default y
|
---|
806 | depends on VOLUMEID
|
---|
807 | help
|
---|
808 | TODO
|
---|
809 |
|
---|
810 | config FEATURE_VOLUMEID_NTFS
|
---|
811 | bool "ntfs filesystem"
|
---|
812 | default y
|
---|
813 | depends on VOLUMEID
|
---|
814 | help
|
---|
815 | TODO
|
---|
816 |
|
---|
817 | config FEATURE_VOLUMEID_ISO9660
|
---|
818 | bool "iso9660 filesystem"
|
---|
819 | default y
|
---|
820 | depends on VOLUMEID
|
---|
821 | help
|
---|
822 | TODO
|
---|
823 |
|
---|
824 | config FEATURE_VOLUMEID_UDF
|
---|
825 | bool "udf filesystem"
|
---|
826 | default y
|
---|
827 | depends on VOLUMEID
|
---|
828 | help
|
---|
829 | TODO
|
---|
830 |
|
---|
831 | config FEATURE_VOLUMEID_LUKS
|
---|
832 | bool "luks filesystem"
|
---|
833 | default y
|
---|
834 | depends on VOLUMEID
|
---|
835 | help
|
---|
836 | TODO
|
---|
837 |
|
---|
838 | config FEATURE_VOLUMEID_LINUXSWAP
|
---|
839 | bool "linux swap filesystem"
|
---|
840 | default y
|
---|
841 | depends on VOLUMEID
|
---|
842 | help
|
---|
843 | TODO
|
---|
844 |
|
---|
845 | ### config FEATURE_VOLUMEID_LVM
|
---|
846 | ### bool "lvm"
|
---|
847 | ### default y
|
---|
848 | ### depends on VOLUMEID
|
---|
849 | ### help
|
---|
850 | ### TODO
|
---|
851 |
|
---|
852 | config FEATURE_VOLUMEID_CRAMFS
|
---|
853 | bool "cramfs filesystem"
|
---|
854 | default y
|
---|
855 | depends on VOLUMEID
|
---|
856 | help
|
---|
857 | TODO
|
---|
858 |
|
---|
859 | ### config FEATURE_VOLUMEID_HPFS
|
---|
860 | ### bool "hpfs filesystem"
|
---|
861 | ### default y
|
---|
862 | ### depends on VOLUMEID
|
---|
863 | ### help
|
---|
864 | ### TODO
|
---|
865 |
|
---|
866 | config FEATURE_VOLUMEID_ROMFS
|
---|
867 | bool "romfs filesystem"
|
---|
868 | default y
|
---|
869 | depends on VOLUMEID
|
---|
870 | help
|
---|
871 | TODO
|
---|
872 |
|
---|
873 | config FEATURE_VOLUMEID_SYSV
|
---|
874 | bool "sysv filesystem"
|
---|
875 | default y
|
---|
876 | depends on VOLUMEID
|
---|
877 | help
|
---|
878 | TODO
|
---|
879 |
|
---|
880 | ### config FEATURE_VOLUMEID_MINIX
|
---|
881 | ### bool "minix filesystem"
|
---|
882 | ### default y
|
---|
883 | ### depends on VOLUMEID
|
---|
884 | ### help
|
---|
885 | ### TODO
|
---|
886 |
|
---|
887 | ### These only detect partition tables - not used (yet?)
|
---|
888 | ### config FEATURE_VOLUMEID_MAC
|
---|
889 | ### bool "mac filesystem"
|
---|
890 | ### default y
|
---|
891 | ### depends on VOLUMEID
|
---|
892 | ### help
|
---|
893 | ### TODO
|
---|
894 | ###
|
---|
895 | ### config FEATURE_VOLUMEID_MSDOS
|
---|
896 | ### bool "msdos filesystem"
|
---|
897 | ### default y
|
---|
898 | ### depends on VOLUMEID
|
---|
899 | ### help
|
---|
900 | ### TODO
|
---|
901 |
|
---|
902 | config FEATURE_VOLUMEID_OCFS2
|
---|
903 | bool "ocfs2 filesystem"
|
---|
904 | default y
|
---|
905 | depends on VOLUMEID
|
---|
906 | help
|
---|
907 | TODO
|
---|
908 |
|
---|
909 | ### config FEATURE_VOLUMEID_HIGHPOINTRAID
|
---|
910 | ### bool "highpoint raid"
|
---|
911 | ### default y
|
---|
912 | ### depends on VOLUMEID
|
---|
913 | ### help
|
---|
914 | ### TODO
|
---|
915 |
|
---|
916 | ### config FEATURE_VOLUMEID_ISWRAID
|
---|
917 | ### bool "intel raid"
|
---|
918 | ### default y
|
---|
919 | ### depends on VOLUMEID
|
---|
920 | ### help
|
---|
921 | ### TODO
|
---|
922 |
|
---|
923 | ### config FEATURE_VOLUMEID_LSIRAID
|
---|
924 | ### bool "lsi raid"
|
---|
925 | ### default y
|
---|
926 | ### depends on VOLUMEID
|
---|
927 | ### help
|
---|
928 | ### TODO
|
---|
929 |
|
---|
930 | ### config FEATURE_VOLUMEID_VIARAID
|
---|
931 | ### bool "via raid"
|
---|
932 | ### default y
|
---|
933 | ### depends on VOLUMEID
|
---|
934 | ### help
|
---|
935 | ### TODO
|
---|
936 |
|
---|
937 | ### config FEATURE_VOLUMEID_SILICONRAID
|
---|
938 | ### bool "silicon raid"
|
---|
939 | ### default y
|
---|
940 | ### depends on VOLUMEID
|
---|
941 | ### help
|
---|
942 | ### TODO
|
---|
943 |
|
---|
944 | ### config FEATURE_VOLUMEID_NVIDIARAID
|
---|
945 | ### bool "nvidia raid"
|
---|
946 | ### default y
|
---|
947 | ### depends on VOLUMEID
|
---|
948 | ### help
|
---|
949 | ### TODO
|
---|
950 |
|
---|
951 | ### config FEATURE_VOLUMEID_PROMISERAID
|
---|
952 | ### bool "promise raid"
|
---|
953 | ### default y
|
---|
954 | ### depends on VOLUMEID
|
---|
955 | ### help
|
---|
956 | ### TODO
|
---|
957 |
|
---|
958 | config FEATURE_VOLUMEID_LINUXRAID
|
---|
959 | bool "linuxraid"
|
---|
960 | default y
|
---|
961 | depends on VOLUMEID
|
---|
962 | help
|
---|
963 | TODO
|
---|
964 |
|
---|
965 | endmenu
|
---|
966 |
|
---|
967 | endmenu
|
---|