Provided by: coreutils_8.13-3ubuntu3_amd64
tac - concatenate and print files in reverse
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 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
Written by Jay Lepreau and David MacKenzie.
Report tac bugs to firstname.lastname@example.org 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 © 2011 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.
rev(1) 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 coreutils 'tac invocation' should give you access to the complete manual.