CAT

cat − concatenate files and print on the standard output

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

Concatenate FILE(s), or standard input, to standard output.

−A, −−show−all

equivalent to −vET

−b, −−number−nonblank

number nonempty output lines

−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

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

cat f − g

Output f’s contents, then standard input, then g’s contents.

cat

Copy standard input to standard output.

Written by Torbjorn Granlund and Richard M. Stallman.

Report cat bugs to bug−coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report cat translation bugs to <http://translationproject.org/team/>

Copyright © 2010 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.

The full documentation for cat is maintained as a Texinfo manual. If the info and cat programs are properly installed at your site, the command

info coreutils 'cat invocation'

should give you access to the complete manual.