rev(1) ultrix man page | unix.com

rev(1)							      General Commands Manual							    rev(1)

Name
       rev - reverse character positions in file data

Syntax
       rev [file...]

Description
       The  command  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.

																	    rev(1)