FOS

Code

Meaning

Language

Themes and places

FOS

Faint Object Spectrograph

In English

• Astronomical instruments
• Optical instruments

FOS

Flight Operation Security

In English

• Aeronautics, aircraft
• Astronautics

FOS

Flight Operations Support

In English

• Aeronautics, aircraft
• Astronautics

FOS

Factored Operating System

The abbreviation FOS (Factored Operating System) includes the abbreviation OS (Operating System).

In English

• Operating systems