operating system
software that manages computer hardware resources
Android Ice Cream Sandwich
version of the Android operating system
live distribution
operating system that is directly run from removal media (such as CD, DVD or USB) without being installed on the hard disk
Pick operating system
business data processing operating system released in 1965
FUSS
Debian-based operating system
Advanced Comprehensive Operating System
mainframe operating system from NEC, only used in Japan
Business Operating System
cross-platform operating system originally produced for Intel 8080 and Motorola 6800 computers
Group Control System
specialised operating system for IBM mainframes, designed to run under z/VM, to provide a limited implementation of z/OS APIs, sufficient to support certain IBM products ported from z/OS to z/VM
ABC GNU/Linux
Ubuntu-based operating system
Atlas Supervisor
first operating system
Livermore Time Sharing System
operating system developed by the Lawrence Livermore Laboratories for CDC 6600/7600 supercomputers
REX OS
real-time operating system
T-Kernel
open-source RTOS tailored for 32-bit microcontrollers
Transaction Management eXecutive
NCR Corporation's old proprietary operating system running on 5000 series Tower systems
OS X Yosemite
eleventh major release of OS X
Android Lollipop
version of the Android operating system
Event Driven Executive
operating system for the IBM Series/1 minicomputer
Google Fuchsia
capability-based, real-time operating system (RTOS) being developed by Google
Ghost
operating system
Android Automotive
Android operating system version for car infotainment systems
TOSS
linux operating system
Meta Horizon OS
operating system for the Meta Quest product line