1 .TH VOL_ID 8 "November 2005" "" "Linux Administrator's Manual"
3 vol_id \- probe filesystem type and read label and uuid
6 [\fI--export\fP|\fI-t\fP|\fI-l\fP|\fI-u\fP] \fIblockdevice\fP
9 is normally called from a udev rule, to provide udev with the
10 label and uuid of a filesystem. vol_id supports all common
11 filesystem formats and detects various raid setups to prevent
12 the recognition of raid members as a filesystem.
15 opens the device node specified at the commandline.
17 The following commandline switches are supported to specify what vol_id
21 print all values in key/value format to import them into the environment.
24 print the label of the partition
27 print the type of the partition
30 print the uuid of the partition
34 will only return successful if the string asked for is not empty.
35 All trailing whitespace will be removed, spaces replaced by underscore
40 Developed by Kay Sievers <kay.sievers@vrfy.org>.