OpenDarwin 7.2.1 - man page for rev (opendarwin section 1)

REV(1)				   BSD General Commands Manual				   REV(1)

NAME
     rev -- reverse lines of 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.

BSD					   June 9, 1993 				      BSD