Linux fstrim Command

What is Linux fstrim Command?#

In this tutorial we learn how to use fstrim command in Linux. fstrim command is fstrim - discard unused blocks on a mounted filesystem.

fstrim Syntax#

fstrim [-Aa] [-o offset] [-l length] [-m minimum-size] [-v] mountpoint

fstrim Examples#

fstrim Command Manual / Help#

We can use man and info command to see the manual page of fstrim command. fstrim command also have --help option to show list of options.

To open man page for fstrim command we can use command below. To exit man or info page you can press q.

man fstrim

To open info page for fstrim command we can use command below.

info fstrim

To open help page from fstrim command we can run command below.

fstrim --help

Linux fstrim Command Source Code#

You can find fstrim command source code from the folowing repositories:

• fstrim source code on GitHub
• util-linux releases on kernel.org

Related Linux Commands#

You can read tutorials of related Linux commands below:

• Linux w Command
• Linux id Command
• Linux who Command

Summary#

In this tutorial we learn how to use fstrim in Linux with practical examples. Visit our Linux Commands guide to learn more about using command line interface in Linux.