The ACM Computing Classification System (1991)

D.4 OPERATING SYSTEMS

• D.4.0 General
• D.4.1 Process Management
• D.4.2 Storage Management
• D.4.3 File Systems Management (E.5)
• D.4.4 Communications Management (C.2)
• D.4.5 Reliability
• D.4.6 Security and Protection (K.6.5)
• D.4.7 Organization and Design
• D.4.8 Performance (C.4, D.2.8, I.6)
• D.4.9 Systems Programs and Utilities
• D.4.m Miscellaneous