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Disk Usage Commands in Linux

#linux

df: Display Filesystem Disk Space Usage

The df command is used to display the disk space usage of mounted filesystems.

  • Basic Usage: 
  $ df
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  • Common Options:

    • -h or --human-readable: Display sizes in a human-readable format (K, M, G). 
    $ df -h
    • -T or --print-type: Display filesystem types. 
    $ df -T
    • -a or --all: Display all filesystems, including pseudo, duplicate, inaccessible filesystems. 
    $ df -a
    • -i or --inodes: Display inode information. 
    $ df -i

du: Estimate File and Directory Space Usage

The du command estimates disk space usage of files and directories.

  • Basic Usage: 
  $ du /path/to/directory
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  • Common Options:

    • -h or --human-readable: Display sizes in a human-readable format (K, M, G). 
    $ du -h /path/to/directory

  • -s or --summarize: Display only the total size of the specified directory.

  $ du -s /path/to/directory
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  • -a or --all: Display both directory and file information. 
  $ du -a /path/to/directory
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  • -c or --total: Display the grand total. 
  $ du -c /path/to/directory
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  • --max-depth=N: Display information up to a depth of N directories. 
  $ du --max-depth=1 /path/to/directory
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Understanding the df and du commands is essential for monitoring disk space usage and managing file storage effectively.

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