Conversational Monitor System, an OS for the IBM System 360 andIBM System 370, introduced in 1967 .
Compiler Monitor System-2, a compiler and programming languagethat was dev…eloped for the US Navy in 1968 .
Collection Management System, for a museum collection .
Color Management System, a system for computers to control therepresentation of colors .
Content Management System, a system for managing content andproviding it in various formats .
Client Music Synthesis, a technology to transfer music fileswith extremely high data compression ratio .
Code Morphing Software, a technology used by Transmeta .
Configuration Management System, now known as softwareconfiguration management .
Cryptographic Message Syntax, a cryptographic standard .