Nov 3, 2025 · The df command displays information about file system disk space usage on the mounted file system. This command retrieves the information from `/proc/mounts` or `/etc/mtab`.

df is a shell command for reporting the amount of available and consumed storage space on a file system. Although df is short for disk free, the command is not limited to disk storage.

Jun 1, 2025 · Linux df command with this comprehensive guide covering syntax, examples, and related commands for monitoring disk space on file systems effectively.

Mar 23, 2022 · The df command primarily checks disk usage on a mounted filesystem. If you don't include a file name, the output shows the space available on all currently mounted filesystems.

Jul 26, 2024 · Explains how to use the df command under Linux/Unix to view used and free disk usage including examples of df for developers/ sysadmin.

This version of df cannot show the space available on unmounted file systems, because on most kinds of systems doing so requires non-portable intimate knowledge of file system structures.

If an argument FILE is a disk device file containing a mounted filesystem, 'df' shows the space available on that filesystem rather than on the filesystem containing the device node (i.e., the root filesystem).

Dec 17, 2024 · It displays the amount of disk space available on file systems, the disk space used, and the space available. This command is essential for system administrators and users to monitor the …

Dec 11, 2023 · The df command (short for disk free) is used to show the amount of free disk space available on Linux and other Unix-like systems and to understand the filesystems that have been …

Mar 20, 2025 · Learn how to use the df command in Linux to monitor disk space efficiently. Explore options like -h, -T, and -i for better insights.