Frequent question: How do I check disk usage in Unix?

Unix command to check disk space: df command – Shows the amount of disk space used and available on Unix file systems. du command – Display disk usage statistic for each directory on Unix server.

How do I see disk usage in Linux?

Linux command to check disk space using:

  1. df command – Shows the amount of disk space used and available on Linux file systems.
  2. du command – Display the amount of disk space used by the specified files and for each subdirectory.

How do I clear disk space in Linux?

Freeing disk space on your Linux server

  1. Get to the root of your machine by running cd /
  2. Run sudo du -h –max-depth=1.
  3. Note which directories are using a lot of disk space.
  4. cd into one of the big directories.
  5. Run ls -l to see which files are using a lot of space. Delete any you don’t need.
  6. Repeat steps 2 to 5.

How do I calculate disk size in Linux?

Linux check disk space with df command

  1. Open the terminal and type the following command to check disk space.
  2. The basic syntax for df is: df [options] [devices] Type:
  3. df.
  4. df -H.

How do I check my disk space?

Check with System Monitor

To check the free disk space and disk capacity with System Monitor: Open the System Monitor application from the Activities overview. Select the File Systems tab to view the system’s partitions and disk space usage. The information is displayed according to Total, Free, Available and Used.

What command shows file system disk usage?

df (disk free) command, when used without any options, displays information about the total disk space, the disk space currently in use, and the free space on all the mounted drives.

What is difference between du and df?

du is used to estimate file space usage—space used under a particular directory or files on a file system. df is used to display the amount of available disk space for file systems on which the invoking user has appropriate read access. … The result of the command du doesn’t include the size of the deleting file.

How do I clean up files in Linux?

To remove (or delete) a file in Linux from the command line, use either the rm (remove) or unlink command. The unlink command allows you to remove only a single file, while with rm , you can remove multiple files at once.

How do I clean up Linux?

The 10 Easiest Ways to Keep Ubuntu System Clean

  1. Uninstall Unnecessary Applications. …
  2. Remove Unnecessary Packages and Dependencies. …
  3. Clean Thumbnail Cache. …
  4. Remove Old Kernels. …
  5. Remove Useless Files and Folders. …
  6. Clean Apt Cache. …
  7. Synaptic Package Manager. …
  8. GtkOrphan (orphaned packages)
Like this post? Please share to your friends:
OS Today