Name
tac - concatenate and print files in reverseSynopsis
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
GNU coreutils online help: <https://www.gnu.org/software/coreutils/> Report any translation bugs to <https://translationproject.org/team/>Copyright
Copyright © 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://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.See Also
rev(1)Full documentation <https://www.gnu.org/software/coreutils/tac> or available locally via: info \(aq(coreutils) tac invocation\(aq