Linux centos checks whether the file system is ext4 or xfs

Query the Linux centos file system type

Command to use: df
The full English name of the df command is "Disk Free", which is used to display the current disk usage statistics of the file system on the Linux system.
The default display unit is KB. This command is commonly used in daily life to view information such as how much disk space is occupied and how much space is left.

Commonly used parameters:
-T --print-type displays the form of the file system
-h --human-readable displays in G

Example:

[root@localhost ~]# df -T
文件系统                类型        1K-块    已用    可用 已用% 挂载点
devtmpfs                devtmpfs  1918532       0 1918532    0% /dev
tmpfs                   tmpfs     1930628       0 1930628    0% /dev/shm
tmpfs                   tmpfs     1930628   11880 1918748    1% /run
tmpfs                   tmpfs     1930628       0 1930628    0% /sys/fs/cgroup
/dev/mapper/centos-root xfs      10475520 9401156 1074364   90% /
/dev/sda1               xfs        303780  139772  164008   47% /boot
tmpfs                   tmpfs      386128       0  386128    0% /run/user/0

The visible type column corresponds to the type of the current Linux file system.