![]() 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 |
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.