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1. Name

cat - concatenate files and print on the standard output

2. Synopsis

cat [OPTION] [FILE]...

3. Description

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.

4. Examples

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

5. Author

Written by Torbjorn Granlund and Richard M. Stallman.

6. Reporting Bugs

Report bugs to <This email address is being protected from spambots. You need JavaScript enabled to view it.>. Copyright © 2008 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.

8. See Also

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 cat

should give you access to the complete manual.

 


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