REV(1) OpenBSD Reference Manual REV(1)NAMErev - reverse lines of a file
SYNOPSISrev [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.
SEE ALSOcat(1)OpenBSD 4.9 August 16, 2009 OpenBSD 4.9