Tac (Unix)

Tac (Unix)

tac is a Linux command that allows you to see a file line-by-line backwards. It is named by analogy with cat.

Usage:

Usage: tac ... ... 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