tac [OPTION]... [FILE]...
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
attach the separator before instead of after
interpret the separator as a regular expression
use STRING as the separator instead of newline
--help display this help and exit
output version information and exit
Written by Jay Lepreau and David MacKenzie.
Report tac bugs to email@example.com
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report tac translation bugs to <http://translationproject.org/team/>
Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
The full documentation for tac is maintained as a Texinfo manual. If
the info and tac programs are properly installed at your site, the com-
info coreutils 'tac invocation'
should give you access to the complete manual.
GNU coreutils 8.21 March 2016 TAC(1)
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