vol_id - Unix, Linux Command

NAME

vol_id - probe filesystem type and read label and uuid

SYNOPSIS

Tag	Description
vol_id [--export] [-t] [-l] [-u] [device]

DESCRIPTION

vol_id is usually called from a udev rule, to provide udev with the filesystem type, the label and the uuid of a volume. vol_id supports all common filesystem formats and detects various raid setups to prevent the recognition of raid members as a volume with a filesystem.

OPTIONS

Tag	Description
--export
	print all values in key/value format to import them into the environment.
-t	print the filesystem type
-l	print the label of a volume
-u	print the uuid of a volume

ENVIRONMENT

Tag	Description
UDEV_LOG
	Set the syslog priority.

EXIT STATUS

vol_id will only return successful if the value asked for is not empty. All trailing whitespace will be removed, spaces replaced by underscore and slashes ignored.

AUTHOR

Written by Kay Sievers <kay.sievers@vrfy.org>