![]() Example usage of df | |
Original author(s) | Ken Thompson, Dennis Ritchie (AT&T Bell Laboratories) |
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Developer(s) | Various open-source and commercial developers |
Initial release | 3 November 1971 |
Operating system | Unix, Unix-like |
Platform | Cross-platform |
Type | Command |
License | coreutils: GPLv3+ |
df (abbreviation for disk free) is a standard Unix command used to display the amount of available disk space for file systems on which the invoking user has appropriate read access. df is typically implemented using the statfs or statvfs system calls.