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

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

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

     -h, --help
             Output help and exit.

     The rev command is part of the util-linux package and is available from

util-linux                       April 2011                         util-linux
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