Интерактивная система просмотра системных руководств (man-ов)
vol_id (8)
>> vol_id (8) ( Linux man: Команды системного администрирования )
NAME
vol_id - probe filesystem type and read label and uuid
SYNOPSIS
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
--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
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.