•
Academic Operating System, a version of 4.3 BSD Unix for the IBM RT •
Algebraic operating system, an input method used on many Texas Instruments calculators •
AmigaOS •
Apple Online Store, the retail web site for Apple Inc. •
Array of structures, an interleaved data format •
Data General AOS (Advanced Operating System) •
A2, an operating system formerly named Active Object System (AOS) •
Fedora AOS (Appliance Operating System), a small version of the Fedora Linux project • aos or AOS, acronym of "anonymous operating system", an earlier name for the operating system
Whonix ==People==