---

operating system → IsA → system software	0.61
system software (subgroup of software) → CapableOf → manage computer hardware	0.52
operating system (aspect of computer) → IsA → system software	0.36
system software (subgroup of software) → CapableOf → provide platform	0.25
system software (subgroup of software) → CapableOf → refer to the operating systems	0.25
system software (subgroup of software) → CapableOf → be a collection of programs	0.25
system software (subgroup of software) → HasProperty → essential	0.25
system software (subgroup of software) → ReceivesAction → installed	0.25