The Use of df (disk free) Command in Linux

The df command tells you the usage of memory details in the Linux system. An understanding of the output is useful for Linux developers. The outputs are Filesystem, 1K-blocks, Used, Available, use%, and mounted-on.

Here is the result of the df command

Here is the result of the df command


The filesystem tells you the device name on which the filesystem is stored. Here are the details on the Linux device.


It tells the total memory available in Kilobytes.


It tells you the used memory in bytes.


It tells the available memory in bytes.


It tells the used memory in percentage.


It is simply a directory that is created in the root directory.

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Author: Srini

Experienced software developer. Skills in Development, Coding, Testing and Debugging. Good Data analytic skills (Data Warehousing and BI). Also skills in Mainframe.