Updated: 2021/Dec/3
REV(1) General Commands Manual REV(1) NAME rev - reverse order of characters of lines in a file SYNOPSIS rev [file ...] DESCRIPTION The rev utility copies the specified files to the standard output, reversing the order of characters in every line. If no files are specified, the standard input is read. ENVIRONMENT LC_ALL NetBSD 9.99 July 21, 2009 NetBSD 9.99