Scroll to navigation

CAT(1) User Commands CAT(1)


cat - manual page for cat 8.32


cat [OPTION]... [FILE]...


Concatenate FILE(s) to standard output.

With no FILE, or when FILE is -, read standard input.

equivalent to -vET
number nonempty output lines, overrides -n
equivalent to -vE
display $ at end of each line
number all output lines
suppress repeated empty output lines
equivalent to -vT
display TAB characters as ^I
use ^ and M- notation, except for LFD and TAB
display this help and exit
output version information and exit


cat f - g
Output f's contents, then standard input, then g's contents.
Copy standard input to standard output.

GNU coreutils online help: <> Report any translation bugs to <> Full documentation <> or available locally via: info '(coreutils) cat invocation'


Written by Torbjorn Granlund and Richard M. Stallman.


Copyright © 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

August 2022 GNU coreutils 8.32