cat

The cat command is a standard Unix program used to concatenate and display files. The name is from catenate, a synonym of concatenate.

• GNU Coreutils Project Homepage [EN]

• GNU Coreutils [EN] @ Fedora Package
• GNU Coreutils [EN] @ Homebrew Formula

• cat [EN] @ Wikipedia
• cat [DE] @ Wikipedia

Documentation

• cat [EN] @ GNU Coreutils Manual

• man 1 'cat' [EN]

Further Information

• Useless Use of Cat Award [EN] @ era eriksson entangled

Syntax

cat [PARAMETER ...] [FILE ...]

Parameters

-n, --number

Number all output lines.

Examples

Create a image from a Floppy

cat '/dev/fd0' >'/tmp/floppy.img'

Restore a image to a Floppy

cat '/tmp/floppy.img' >'/dev/fd0'

Paste content into a file

NOTE:

Press [Ctrl] + [D] to end the input.

cat >'file.txt'
bla
bla
bla