Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun operating_system
1 sense of operating system
Sense 1
operating system, OS -- ((computer science) software that controls the execution of computer programs and may provide various services)
=> software, software program, computer software, software system, software package, package -- ((computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory; "the market for software is expected to expand")