Skip to main content
Dictionary
Store
Blog
World
Help
Advertise
Chat
System Status
Information Collection Notice
Trademark Concerns
reCAPTCHA Privacy
Terms of Service
reCAPTCHA Terms
Privacy Policy
Accessibility
Report a Bug
Data Request
Contact Us
Security
DMCA
© 1999–2026 Urban Dictionary ®
Mugs
Tees
Hoodies
Pro Customization
Create unique products with your own words and definitions
Preview
Personalize Your Design
Your Word
Your Definition
Abbreviated "OS", an operating system is software that provides the user with an interface as well as hardware support and support to run and use applications. Operating systems also accept input and display output by communicating with hardware and interacting with any respective applications or system software that might be using that hardware.
Text fits
Save
Cancel