Lsblk command - check the disk of the system. I don't often use this command, but it's still very easy to use. Onion duck, like, collect, pay attention, wait for your arrival!

lsblk The English of the order is “list block”, Information used to list all available block devices , And it shows the dependency between them , But it doesn't list RAM Disk information .

lsblk The command is contained in util-linux-ng In bag , Now the package is renamed util-linux.

grammar ：

Grammar format ：lsblk [ Parameters ]

Common parameters ：

Parameters          describe

-a         Show all devices

-b         With bytes How to display device size

-d         No display
slaves or holders

-D        print
discard capabilities

-e         Exclude devices

-f         Display file system information

-h         Display help information

-i        use
ascii characters only

-m         Display permission information

-l         Use list format to display

-n         Don't show titles

-o         Output column

-P         Use key=”value” Format display

-r         Use the original format to display

-t         Display topology information

Case list ：

lsblk The command lists all block devices in a tree by default ：

lsblk

The default option does not list all empty devices ：

lsblk
-a

It can also be used to list the ownership relationship of a specific device , You can also list groups and patterns ：

lsblk
-m

To get SCSI List of devices , You can only use -S Options , This option is used to print dependencies in reverse order ：

lsblk
-S

for example , You may want to list devices in a list format , Instead of the default tree format . You can combine two different options , To get the desired output ：

lsblk
-nl