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TAC(1) General Commands Manual TAC(1) NAME tac - display file in reverse SYNOPSIS tac [file ...] DESCRIPTION tac (cat backwards) outputs the contents of each of each of the specified files, or the standard input if no files are specified, in reverse line order to the standard output. EXIT STATUS The tac utility exits 0 on success, and >0 if an error occurs. COMPATIBILITY The tac utility doesn't support any of the options of GNU tac. SEE ALSO cat(1), tail(1) NetBSD 8.99.34 October 1, 2017 NetBSD 8.99.34