Man page - findfs(8)

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Manual

FINDFS(8) System Administration FINDFS(8)

findfs - find a filesystem by label or UUID

findfs NAME=value

findfs will search the block devices in the system looking for a filesystem or partition with specified tag. The currently supported tags are:

LABEL=<label>

Specifies filesystem label.

UUID=<uuid>

Specifies filesystem UUID.

PARTUUID=<uuid>

Specifies partition UUID. This partition identifier is supported for example for GUID Partition Table (GPT) partition tables.

PARTLABEL=<label>

Specifies partition label (name). The partition labels are supported for example for GUID Partition Table (GPT) or MAC partition tables.

If the filesystem or partition is found, the device name will be printed on stdout. If the input is not in the format of NAME=value, then the input will be copied to the output without any modification.

The complete overview about filesystems and partitions you can get for example by

lsblk --fs

partx --show <disk>

blkid

-h, --help

Display help text and exit.

-V, --version

Display version and exit.

0

success

1

label or uuid cannot be found

2

usage error, wrong number of arguments or unknown option

LIBBLKID_DEBUG=all

enables libblkid debug output.

findfs was originally written by Theodore Ts’o <tytso@mit.edu> and re-written for the util-linux package by Karel Zak <kzak@redhat.com>.

blkid(8), lsblk(8), partx(8)

For bug reports, use the issue tracker <https://github.com/util-linux/util-linux/issues>.

The findfs command is part of the util-linux package which can be downloaded from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils/util-linux/>.

2025-02-26 util-linux 2.41