.\" @(#)rev.1 6.1 (Berkeley) 4/29/85 .\" .TH REV 1 "April 29, 1985" .AT 3 .SH NAME rev \- reverse lines of a file .SH SYNOPSIS .B rev [ file ] ... .SH DESCRIPTION .I Rev copies the named files to the standard output, reversing the order of characters in every line. If no file is specified, the standard input is copied.