Old Skool

Views Updated: Dec 15, 2025

Key Facts

Abbreviation

OS

Pronunciation

/əʊld skuːl/

Category

Governmental

Related Field

Military

Other meanings of OS

Open Source Computing

Open Systems Misc

Operating System Academic

Open System Computing

Operating Software Gov

Online Services Computing

Online Service Misc

Occupational Safety Medical

Oxygen Saturation Medical

On Steroids Misc