NAME

cat – concatenate files and print on the standard output  

SYNOPSIS

cat [OPTION]… [FILE]…  

DESCRIPTION

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

-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

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

EXAMPLES

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

Willie has over 15 years of experience in Linux system administration and DevOps. After managing infrastructure for startups and enterprises alike, he founded Command Linux to share the practical knowledge he wished he had when starting out. He oversees content strategy and contributes guides on server management, automation, and security.