# busybox expr busybox expr 1 \| 1 busybox expr 1 \| 0 busybox expr 0 \| 1 busybox expr 1 \& 1 busybox expr 0 \< 1 busybox expr 1 \> 0 busybox expr 0 \<= 1 busybox expr 1 \<= 1 busybox expr 1 \>= 0 busybox expr 1 \>= 1 busybox expr 1 + 2 busybox expr 2 - 1 busybox expr 2 \* 3 busybox expr 12 / 2 busybox expr 12 % 5 set +e busybox expr 0 \| 0 if [ $? != 1 ] ; then exit 1; fi; busybox expr 1 \& 0 if [ $? != 1 ] ; then exit 1; fi; busybox expr 0 \& 1 if [ $? != 1 ] ; then exit 1; fi; busybox expr 0 \& 0 if [ $? != 1 ] ; then exit 1; fi; busybox expr 1 \< 0 if [ $? != 1 ] ; then exit 1; fi; busybox expr 0 \> 1 if [ $? != 1 ] ; then exit 1; fi; busybox expr 1 \<= 0 if [ $? != 1 ] ; then exit 1; fi; busybox expr 0 \>= 1 if [ $? != 1 ] ; then exit 1; fi;