du (Unix)
du (abbreviated from disk usage) is a standard Unix program used to estimate file space usage—space used under a particular directory or files on a file system. A Windows commandline version of this program is part of Sysinternals suite by Mark Russinovich.
Example screenshot of du in a terminal | |
| Original author(s) | Dennis Ritchie (AT&T Bell Laboratories) |
|---|---|
| Developer(s) | Various open-source and commercial developers |
| Initial release | 3 November 1971 |
| Written in | Plan 9, FreeDOS: C |
| Operating system | Unix, Unix-like, Plan 9, Inferno, FreeDOS |
| Platform | Cross-platform |
| Type | Command |
| License | coreutils: GPLv3+ Plan 9: MIT License FreeDOS: GPLv2 |
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