Linux "cat" Command Line Options and Examples

concatenate files and print on the standard output

Concatenate FILE(s) to standard output. With no FILE, or when FILE is -, read standard input.

Usage:

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

Command Line Options:

-A

equivalent to -vET


                            cat -A ...

-b

number nonempty output lines, overrides -n


                            cat -b ...

-e

equivalent to -vE


                            cat -e ...

-E

display $ at end of each line


                            cat -E ...

-n

number all output lines


                            cat -n ...

-s

suppress repeated empty output lines


                            cat -s ...

-t

equivalent to -vT


                            cat -t ...

-T

display TAB characters as ^I


                            cat -T ...

-v

use ^ and M- notation, except for LFD and TAB


                            cat -v ...

--help

display this help and exit


                            cat --help ...

--version

output version information and exitEXAMPLEScat f - gOutput f's contents, then standard input, then g's contents.cat Copy standard input to standard output.AUTHORWritten by Torbjorn Granlund and Richard M. Stallman.REPORTING BUGSGNU coreutils online help: <http://www.gnu.org/software/coreutils/>Report cat translation bugs to <http://translationproject.org/team/>COPYRIGHTCopyright © 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://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.


                            cat --version ...