WIPEFS(8) WIPEFS(8) (NAME) wipefs - (SYNOPSIS) wipefs [] ... wipefs [--backup] -o ... wipefs [--backup] -a ... (DESCRIPTION) wipefs RAID ( magic strings) libblkid . wipefs . wipefs . . --output - . wipefs ioctl BLKRRPART . ioctl . wipefs -a /dev/sdc1 /dev/sdc2 /dev/sdc. ( FAT ZFS GPT). wipefs ( v2.31) . -a libblkid(3) . wipefs () (scan) . wipefs . --force . (OPTIONS) -a, --all . -t . /dev/sdX . -b, --backup[=] wipefs--.bak $HOME . . -f, --force (mounted) . . -J, --json JSON. --lock[=] BSD . yes no ( 1 0) nonblock . "yes" . $LOCK_BLOCK_DEVICE . udevd . -i, --noheadings . -O, --output . --help . -n, --no-act write(2) ( ). -o, --offset ( ) . "0x" . -o . KiB (=1024) MiB (=1024*1024) GiB TiB PiB EiB ZiB YiB ( "iB" "K" "KiB" ) KB (=1000) MB (=1000*1000) GB TB PB EB ZB YB. -p, --parsable (parsable) . '\x' . -q, --quiet . -t, --types . . 'no' . mount(8) . -h, --help . -V, --version . (ENVIRONMENT) LIBBLKID_DEBUG=all libblkid(3) . LOCK_BLOCK_DEVICE= BSD. "1" "0" . --lock . (EXAMPLES) wipefs /dev/sda* sda sda. wipefs --all --backup /dev/sdb /dev/sdb ~/wipefs-sdb-.bak . dd if=~/wipefs-sdb-0x00000438.bak of=/dev/sdb seek=$((0x00000438)) bs=1 conv=notrunc ext2 ~/wipefs-sdb-0x00000438.bak . (AUTHORS) Karel Zak (SEE ALSO) blkid(8), findfs(8) (REPORTING BUGS) : issue tracker . (AVAILABILITY) wipefs util-linux : Linux Kernel Archive . util-linux 2.41.5 2026-06-16 WIPEFS(8)