md5sum hexdump cat zcat bzcat dd tar \
ls basename find cp mv rm mkdir rmdir mknod touch chmod \
'[' printf wc grep awk sed cut \
- mtd partx losetup mkfs.ext4 \
+ mtd partx losetup mkfs.ext4 nandwrite flash_erase \
ubiupdatevol ubiattach ubiblock ubiformat \
ubidetach ubirsvol ubirmvol ubimkvol \
snapshot snapshot_tool \