EntityQ1501565· pop 10· linked from 180 articlesGeneral Comprehensive Operating SystemSign in to savemainframe operating system originally developed by General Electric in 1962; now owned by Groupe BullConnectionsbyteEntityGeneral ElectricCompanyGE AerospaceCompanyGroupe BullOrganizationGenpactCompanyGE PowerEntityFranceCountryItalyCountryThomas EdisonEntityMassachusettsEntityBostonEntityLinuxEntityoperating systemEntityMicrosoft WindowsEntityMassachusetts Institute of TechnologyEntityIntelCompanyNBCEntityDennis M. RitchieEntityFortranEntityQ8815EntityCategories1962 softwareComputer-related introductions in 1962General Electric mainframe computersHoneywell mainframe computersMainframe computer softwareMultics-likeProprietary operating systems