In Linux df command is used to display the amount of total and free disk space available on the mounted file systems. Using df options you can find used blocks, inodes and free space available in the file system.
In Linux, there are lots of others tools like ncdu, crusader, KDiskFree, Gnome Disk utility to monitor the disk usage. In this article, we show you a nice option of df command to display mount point using specific filesystem type.
1) Default and human readable
Default and human readable format shows used space, available free space, the percentage of space used and mount path.
# df Filesystem 1K-blocks Used Available Use% Mounted on /dev/hda2 9448100 3549668 5418492 40% /
# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 7.6G 1.9G 5.4G 26% / tmpfs 478M 0 478M 0% /dev/shm
2) Display Filesystem Type
df command have an option
-T shows filesystem type of mounted file system. Below ouput shows /dev/sda7 and /dev/sda8 on ext4 filesystem.
# df -T Filesystem Type 1K-blocks Used Available Use% Mounted on /dev/sda7 ext4 10079084 6468168 3098916 68% / /dev/sda8 ext4 5039616 2948128 1835488 62% /home
3) Display Mount point on specific filesystem
You can use
-t followed by filesytem type (say ext3, ext4, nfs) to display respective mount points. For examples below df command display all NFS mount points.
# df -HP -t nfs
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