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tr (Unix)
open-in-new
<p>tr is a <a href="/facts/Command_(computing)/zUrvQbFy">command</a> in <a href="/facts/Unix/0pNL2seI">Unix</a>, <a href="/facts/Plan_9_from_Bell_Labs/pQjPlS7w">Plan 9</a>, <a href="/facts/Inferno_(operating_system)/baKPoWRU">Inferno</a>, and <a href="/facts/Unix-like/YAKrAxzd">Unix-like</a> operating systems. It is an abbreviation of <i>translate</i> or <i>transliterate</i>, indicating its operation of replacing or removing specific characters in its input data set. </p>