uniq

Removes or reports duplicate lines.

Ubuntu CentOS Debian Arch SUSE Slackware Alpine Fedora

Verified: 2025-09-09

Syntax

$uniq [OPTIONEN] [DATEI [AUSGABE]]

Examples

$uniq datei.txt

$uniq -c datei.txt

Typical use cases

Standard usage

uniq --help

Note Often used with sort.

Export