debian man page for rev

REV(1)								   User Commands							    REV(1)

NAME
     rev -- reverse lines of a file or files

SYNOPSIS
     rev [-V] [-h] [file ...]

DESCRIPTION
     The rev utility copies the specified files to standard output, reversing the order of characters in every line.  If no files are specified,
     standard input is read.

     -V, --version
	     Output version information and exit.

     -h, --help
	     Output help and exit.

AVAILABILITY
     The rev command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.

util-linux							   April 2011								util-linux