tr

Character translation utility.

Ubuntu CentOS Debian Arch SUSE Slackware Alpine Fedora

Verified: 2025-09-09

Syntax

$tr [OPTIONEN] SET1 [SET2]

Examples

$tr a-z A-Z

$tr -d '0-9'

Typical use cases

Standard usage

tr --help

Note Useful for case conversion and deletion.

Export