GCOS

GCOS may refer to:

• Affymetrix GeneChip Operating Software
• Global Climate Observing System
• General Comprehensive Operating System, a family of operating systems oriented toward mainframes, originally called GECOS (General Electric Comprehensive Operating Supervisor)
• Global Cosmic Ray Observatory, a planned facility to detect Ultra-high-energy_cosmic_rays

See also

• GKOS keyboard
• Geckos
• Google Chrome Operating System An open source, lightweight operating system that will initially be targeted at netbooks