CAT(1) User Commands CAT(1)

cat - concatenate files and print on the standard output

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

Concatenate FILE(s) to standard output.

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

equivalent to -vET
number nonempty output lines, overrides -n
equivalent to -vE
display $ at end of each line
number all output lines
suppress repeated empty output lines
equivalent to -vT
display TAB characters as ^I
use ^ and M- notation, except for LFD and TAB
display this help and exit
output version information and exit

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

Written by Torbjorn Granlund and Richard M. Stallman.

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Copyright © 2024 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.


Full documentation
or available locally via: info '(coreutils) cat invocation'

March 2024 GNU coreutils 9.5