for binary in \
/bin/busybox /bin/ash /bin/sh /bin/mount /bin/umount \
pivot_root mount_root reboot sync kill sleep \
- md5sum hexdump cat zcat dd tar \
+ md5sum hexdump cat zcat dd tar gzip \
ls basename find cp mv rm mkdir rmdir mknod touch chmod \
'[' printf wc grep awk sed cut sort \
mtd partx losetup mkfs.ext4 nandwrite flash_erase \