The 'lsblk' command is used to list your block devices (drives) on your system.
- List all storage devices (that aren't empty) in a tree-like format:
lsblk
- List all devices including empty devices:
lsblk -a
- Print sizes in bytes rather than in human-readable format:
lsblk -b
- Output info about filesystems:
lsblk -f
- Exclude the devices specified by the MAJ device number:
lsblk -e 7
NOTE The above removes loopback devices, which is useful if you want to filter out snaps from 'lsblk' output.
- Exclude the devices specified by the comma-separated list of MAJ device numbers:
lsblk -e 7,8
- Specify columns for the output using a comma-separated list:
lsblk -o NAME,SERIAL,MODEL,TRAN,TYPE,SIZE,FSTYPE,MOUNTPOINT
- Specify and additioanl column added to the default output:
lsblk -o +UUID
- Output info about device topology:
lsblk -t
NOTE The above is equivalent to...
'-o NAME,ALIGNMENT,MIN-IO,OPT-IO,PHY-SEC,LOG-SEC,ROTA,SCHED,RQ-SIZE,RA,WSAME'
- Output info about topology and sort by column name:
lsblk -t -x SCHED
- Use ASCII characters for tree formatting:
lsblk -i
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