TAC(1) General Commands Manual TAC(1)

tac - Write each file to standard output, last line first.

tac [OPTION]... [FILE]...

Write each file to standard output, last line first.

attach the separator before instead of after
interpret the sequence as a regular expression
use STRING as the separator instead of newline
Print help
Print version

v(uutils coreutils) 0.11.0

2026-09-01