07-19-2010
Delete gpt signatures
Hi
Can anyone tell me how to delete GPT signatures in linux/unix.
Thanks
Tannu
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LEARN ABOUT DEBIAN
wipefs
WIPEFS(8) System Administration WIPEFS(8)
NAME
wipefs - wipe a filesystem signature from a device
SYNOPSIS
wipefs [-ahnpV] [-o offset] device
DESCRIPTION
wipefs can erase filesystem or raid signatures (magic strings) from the specified device to make the filesystem invisible for libblkid.
wipefs does not erase the filesystem itself nor any other data from the device. When used without options -a or -o, it lists all visible
filesystems and the offsets of their signatures.
OPTIONS
-a, --all
Erase all available signatures.
-h, --help
Print help and exit.
-n, --no-act
Causes everything to be done except for the write() call.
-o, --offset offset
Specify the location (in bytes) of the signature which should be erased from the device. The offset number may include a "0x" pre-
fix; then the number will be interpreted as a hex value. It is possible to specify multiple -o options.
The offset argument may be followed by binary (2^N) suffixes KiB, MiB, GiB, TiB, PiB and EiB (the "iB" is optional, e.g. "K" has the
same meaning as "KiB") or decimal (10^N) suffixes KB, MB, GB, PB and EB.
-p, --parsable
Print out in parsable instead of printable format. Encode all potentially unsafe characters of a string to the corresponding hex
value prefixed by 'x'.
-V, --version
Output version information and exit.
AUTHOR
Karel Zak <kzak@redhat.com>.
AVAILABILITY
The wipefs command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.
SEE ALSO
blkid(8) findfs(8)
util-linux October 2009 WIPEFS(8)