• Affymetrix GeneChip Operating Software
  Affymetrix GeneChip Operating Software
  Affymetrix GeneChip Operating Software is a software system for managing Affymetrix microarray data. It captures and analyzes the array images, provides workflow tracking of data, manages experiment data, and carries out basic expression analysis....
  
  
• Global Climate Observing System
  Global Climate Observing System
  The Global Climate Observing System is an international institution co-sponsored by the World Meteorological Organization , the Intergovernmental Oceanographic Commission of UNESCO, the United Nations Environment Programme , and the International Council for Science...
  
  
• General Comprehensive Operating System
  General Comprehensive Operating System
  General Comprehensive Operating System is a family of operating systems oriented toward mainframe computers.The original version of GCOS was developed by General Electric from 1962; originally called GECOS...
  
  , a family of operating systems orientated toward mainframes, originally called GECOS (General Electric Comprehensive Operating Supervisor)

See also

• GKOS keyboard
• Geckos
  GeckOS
  GeckOS is an experimental operating system for MOS 6502 and compatible processors. It offers some Unix-like functionality including preemptive multitasking, multithreading, semaphores, signals, binary relocation, TCP/IP networking via SLIP and a 6502 standard library.GeckOS includes native support...
  
  
• GameCube OS A homebrew Operating System for the Nintendo Gamecube and later Nintendo Wii
• Google Chrome Operating System An open source, lightweight operating system that will initially be targeted at netbooks
• General Cargo Operational SystemTransnet Port Terminals Operational System in house built (GCOS)