Linux blkid Command

What is Linux blkid Command?

In this tutorial we learn how to use blkid command in Linux. blkid command is blkid - locate/print block device attributes.

blkid has two main forms of operation: either searching for a device with a specific NAME=value pair, or displaying NAME=value pairs for one or more specified devices.

blkid Syntax

blkid --label label | --uuid uuid
blkid [--no-encoding --garbage-collect --list-one --cache-file file] [--output format] [--match-tag tag] [--match-token NAME=value] [device ...]
blkid --probe [--offset offset] [--output format] [--size size] [--match-tag tag] [--match-types list] [--usages list] [--no-part-details] device ...
blkid --info [--output format] [--match-tag tag] device ...

blkid Examples

blkid Command Manual / Help

We can use man and info command to see the manual page of blkid command. blkid command also have --help option to show list of options.

To open man page for blkid command we can use command below. To exit man or info page you can press q.

man blkid

To open info page for blkid command we can use command below.

info blkid

To open help page from blkid command we can run command below.

blkid --help