What is the purpose of the lsblk command in Linux?
The lsblk command is used to display information about block devices on the system, including hard drives, partitions, and storage devices. It provides detailed information about the block devices such as device name, mount point, size, and file system type.
Here are some common options and usages of the lsblk command:
- -a: Display all devices, including empty devices.
- -l: show only the name and size of block devices.
- -m: Display size in an easily readable format.
- 显示设备挂载点时以完整路径的形式显示。
- n: Display device size in an unformatted manner.
- -o: Customizes the columns displayed in the output, allowing you to include information such as device name, mount point, size, and file system type.
- -t: Display the relationship between devices and partitions in a tree structure.
- -x: Display device information in an exclusionary manner, excluding specific types of devices.
For example, you can use the lsblk command to view all block devices and their related information on the system.
$ lsblk
You can use the lsblk command to view detailed information about a specific device.
$ lsblk /dev/sda
The lsblk command is a practical tool in Linux for managing block devices, helping users to understand the storage devices connected to the system, their mount points, file system types, and more, making storage management and analysis easier.
