function::user_short - Linux

Overview

function::user_short is a utility for finding usernames corresponding to user IDs entered as command-line arguments. It’s particularly useful for system administrators who need to quickly determine usernames associated with various UIDs in server logs or databases.

Syntax

function::user_short [options] <uid> [uid] ...

Options/Flags

None

Examples

Convert a single UID to a username:

function::user_short 1000

Output:

john

Convert multiple UIDs to usernames:

function::user_short 1000 1001 1002

Output:

john
mary
bob

Common Issues

None known.

Integration

Combine with other commands:

grep 1000 /var/log/messages | function::user_short

This command displays all messages in /var/log/messages related to UID 1000 and then converts that UID to a username.

Related Commands

• id: Display user and group information
• finger: Display information about a user
• whoami: Print the effective username