.\" Copyright (c) 1985, 1992 The Regents of the University of California.
.\" %sccs.include.redist.roff%
.\" @(#)rev.1 6.3 (Berkeley) %G%
.Nd reverse lines of a file
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.