CAT
Section: User Commands (1)
Updated: March 2021
Page Index
NAME
cat - concatenate files and print on the standard output
SYNOPSIS
cat
[
,OPTION/]... [
,FILE/]...
DESCRIPTION
Concatenate FILE(s) to standard output.
With no FILE, or when FILE is -, read standard input.
- -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 as ^I
- -u
-
(ignored)
- -v, --show-nonprinting
-
use ^ and M- notation, except for LFD and TAB
- --help
-
display this help and exit
- --version
-
output version information and exit
EXAMPLES
- cat f - g
-
Output f's contents, then standard input, then g's contents.
- cat
-
Copy standard input to standard output.
AUTHOR
Written by Torbjorn Granlund and Richard M. Stallman.
REPORTING BUGS
GNU coreutils online help: <
https://www.gnu.org/software/coreutils/>
Report any translation bugs to <
https://translationproject.org/team/>
COPYRIGHT
Copyright © 2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <
https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
tac(1)
Full documentation <https://www.gnu.org/software/coreutils/cat>
or available locally via: info '(coreutils) cat invocation'