Template:FamilyTree CP/CMS

→ derivation     >> strong influence     > some influence/precedence
 CTSS 
> IBM M44/44X
>> CP-40/CMS CP[-67]/CMS  VM/370 → VM/SE versions → VM/SP versions → VM/XA versions → VM/ESAz/VM
VP/CSS
> TSS/360
> TSO for MVT → for OS/VS2 → for MVS → ... → for z/OS
>> MULTICS and most other time-sharing platforms