xdiskusage is a lightweight graphical utility for examining disk space consumption. It provides a visual representation of the storage occupied by files and directories, making it easier to identify areas of a filesystem that require attention.
The application is based on the design of xdu, a graphical disk usage viewer. It uses the standard Linux utilities du and df to collect information about disk usage and available storage.
Instead of displaying results solely as a text-based directory listing, xdiskusage represents filesystem contents using rectangular areas. The size of each area corresponds to the amount of storage occupied by that part of the directory tree.
Users can navigate the graphical display to investigate individual directories, move through the hierarchy and examine the relationship between parent directories and their contents.
The application can also process previously generated du output. This makes it useful when analysing data collected on another machine or when a filesystem scan has already been performed.
xdiskusage has modest resource requirements and a traditional graphical interface. It is particularly suitable for users who want a straightforward visualisation tool without the complexity of a more comprehensive system maintenance application.
This is free and open source software.
Key Features
- Graphical representation of file and directory disk usage.
- Uses du to determine the storage occupied by filesystem contents.
- Uses df to report mounted filesystems and available disk space.
- Navigate directory trees using the mouse or keyboard.
- Zoom into individual directory branches.
- Examine multiple directories or filesystems in separate windows.
- Read previously generated du output from a file or standard input.
- Optionally include individual files in disk usage calculations.
- Rescan mounted disks to refresh available storage information.
- Display differences between reported filesystem usage and accessible file data.
- Export the graphical display in PostScript format.
Website: xdiskusage.sourceforge.net
Support:
Developer: Bill Spitzak
License: GNU General Public License v2.0

xdiskusage is written in C. Learn C with our recommended free books and free tutorials.
Related Software
| Disk Usage Utilities | |
|---|---|
| QDirStat | Excellent Qt-based directory statistics |
| Filelight | Creates an interactive map to visualise disk usage |
| Baobab | Also known as Disk Usage Analyser |
| agedu | Utility for tracking down wasted disk space |
| SquirrelDisk | Bills itself as "the easiest app you will ever use to detect huge files" |
| K4DirStat | KDE Directory Statistics sums up disk usage for directory trees |
| Krusader | File manager with built-in disk usage functionality |
| SpaceMan | Treemap disk usage analyzer |
| xdiskusage | Light and frugal utility |
| MX Cleanup | GUI for system cleanup and maintenance |
| crossdirstat | File and directory statistics written using Electron |
Read our verdict in the software roundup.
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