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RedHat 9 (Linux i386) - man page for tac (redhat section 1)

TAC(1)									FSF								    TAC(1)

NAME
tac - concatenate and print files in reverse
SYNOPSIS
tac [OPTION]... [FILE]...
DESCRIPTION
Write each FILE to standard output, last line first. With no FILE, or when FILE is -, read standard input. Mandatory arguments to long options are mandatory for short options too. -b, --before attach the separator before instead of after -r, --regex interpret the separator as a regular expression -s, --separator=STRING use STRING as the separator instead of newline --help display this help and exit --version output version information and exit
AUTHOR
Written by Jay Lepreau and David MacKenzie.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE.
SEE ALSO
The full documentation for tac is maintained as a Texinfo manual. If the info and tac programs are properly installed at your site, the command info tac should give you access to the complete manual. tac (coreutils) 4.5.3 February 2003 TAC(1)