Provided by: rust-coreutils_0.2.2-0ubuntu2.1_amd64 

NAME
tac - Write each file to standard output, last line first.
SYNOPSIS
tac [-b|--before] [-r|--regex] [-s|--separator] [-h|--help] [-V|--version] [file]
DESCRIPTION
Write each file to standard output, last line first.
OPTIONS
-b, --before
attach the separator before instead of after
-r, --regex
interpret the sequence as a regular expression
-s, --separator <STRING>
use STRING as the separator instead of newline
-h, --help
Print help
-V, --version
Print version
VERSION
v(uutils coreutils) 0.2.2
tac (uutils coreutils) 0.2.2 tac(1)