CAT(1) General Commands Manual CAT(1) NAME cat - Concatenate FILE(s), or standard input, to standard output With no FILE, or when FILE is -, read standard input. SYNOPSIS cat [OPTION]... [FILE]... DESCRIPTION Concatenate FILE(s), or standard input, to standard output With no FILE, or when FILE is -, read standard input. OPTIONS -A, --show-all equivalent to -vET -b, --number-nonblank number nonempty output lines, overrides -n -e equivalent to -vE -E, --show-ends display $ at end of each line -n, --number number all output lines -s, --squeeze-blank suppress repeated empty output lines -t equivalent to -vT -T, --show-tabs display TAB characters at ^I -v, --show-nonprinting use ^ and M- notation, except for LF (\n) and TAB (\t) -u (ignored) -h, --help Print help -V, --version Print version VERSION v(uutils coreutils) 0.11.0 2026-09-01 CAT(1)