tr (Unix)

tr
Original authorsDouglas McIlroy
(AT&T Bell Laboratories)
DevelopersVarious open-source and commercial developers
Initial releaseNovember 1973 (1973-11)
Written inC
Operating systemUnix, Unix-like, Plan 9, Inferno, OS-9, MSX-DOS, IBM i
PlatformCross-platform
TypeCommand
Licensecoreutils: GPLv3+
Plan 9: MIT License
Repository

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.

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