kul
labs
.org
PC Builder
Tools
Learn
Glossary
Quiz
Articles
Log in
Sign up
UID
Glossary
UID
UID
//juː-aɪ-diː//
software
User Identifier; a number assigned by the Linux or Unix operating system to each user.
Related Terms
Linux
Security
User
Viewed 11 times
Added Jul 24, 2026