Df command

From NetworkCommands

A command line program available on most Linux and Unix platforms; used to display usage information for file systems on the device.

Usage Syntax

df [options]

The most common options are:

• -h - display size data in a human readable format, Kb, Mb etc.
• -l - display information about local file systems only
• -T - display file system type

Usage Examples

df -h - Display information for all file systems, in human readable format

df -h -l -T - Display information for local file systems only, in human readable format and including file system types.

Linux Usage Notes

With most Linux or Unix commands;

• Brief help can be displayed using the option/keyword: -h or --help, for example: chmod --help
• A full command manual can be displayed using the man command followed by the command name, for example: man chmod
• Sometimes 'info' pages are used instead of or to provide more information than man pages; for example: info chmod
• Version information can be display using the option/keyword: -v or --version, for example: chmod --version

Typical Output

BigIP 1500 running v9.3.0; df -h

Filesystem            Size  Used Avail Use% Mounted on
/dev/hda5             2.9G  447M  2.4G  16% /
/dev/hda7             2.9G   34M  2.8G   2% /config
/dev/hda8              18G   76M   17G   1% /var
/dev/hda9             2.9G  275M  2.5G  10% /usr
/dev/hda1              15G  7.1G  6.9G  51% /shared
none                  186M   40K  186M   1% /dev/shm
none                  186M   36M  151M  19% /var/tmpfs
/dev/hda2             760M   34M  726M   5% /mnt/tmp/install/boot/hda
/dev/hda5             2.9G  447M  2.4G  16% /mnt/tmp/install/slot/hda.1
/dev/hda7             2.9G   34M  2.8G   2% /mnt/tmp/install/slot/hda.1/config
/dev/hda8              18G   76M   17G   1% /mnt/tmp/install/slot/hda.1/var
/dev/hda9             2.9G  275M  2.5G  10% /mnt/tmp/install/slot/hda.1/usr
/dev/hda1              15G  7.1G  6.9G  51% /mnt/tmp/install/slot/hda.1/shared

BigIP 1500 running v9.4.3; df -h

Filesystem            Size  Used Avail Use% Mounted on
/dev/hda5             2.9G  113M  2.7G   5% /
/dev/hda7             2.9G   34M  2.8G   2% /config
/dev/hda8              18G   44M   17G   1% /var
/dev/hda9             2.9G  297M  2.5G  11% /usr
/dev/hda1              15G  7.2G  6.8G  52% /shared
none                  186M   60K  186M   1% /dev/shm
/dev/loop0            6.6G   35M  6.3G   1% /var/log
none                  186M  1.5M  185M   1% /var/tmpfs

Related Files

The df executable is normally found here: /bin/df

Related Articles

Information on other Linux commands

Information on Cisco commands

Information on Vyatta commands

Information on Extreme commands

Information on F5 BigIP commands

Information on Zebra commands

Information on Secure Platform commands

Information on Blue Coat SGOS commands

Information on Nokia IPSO commands

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