Tr (Unix)
| tr | |
|---|---|
The tr command | |
| Original author(s) | Douglas McIlroy (AT&T Bell Laboratories) |
| Developer(s) | Various open-source and commercial developers |
| Initial release | November 1973 |
| Repository | |
| Written in | C |
| Operating system | Unix, Unix-like, Plan 9, Inferno, OS-9, MSX-DOS, IBM i |
| Platform | Cross-platform |
| Type | Command |
| License | coreutils: GPLv3+ Plan 9: MIT License |
tr is a command in Unix, Plan 9, Inferno, and Unix-like operating systems. It is an abbreviation of translate or transliterate, indicating its operation of replacing or removing specific characters in its input data set.