df command in linux

df(Disk Filesystem) Provides Disk space usage of our File System.

df is a command line utility mostly used for checking disk space utilization in Linux.

Now Let us see what happen when we type df on terminal of a linux machine.

[root@satish ~]# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda3             50300564  19336500  28367564  41% /
tmpfs                   513384         0    513384   0% /dev/shm

so the most important information we got from above command is

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