basic time-sharing system
BTM Batch Time – Sharing Monitor
BTSS Basic Time Sharing System
command mode time-sharing
commercial time-sharing
communal use of time-sharing
compatible time sharing system
compatible time-sharing system
conversational compilers time sharing
conversational guidanc time sharing
conversational guidance time-sharing
conversational time-sharing
CTSS (compatible time-sharing system)
database management and reporting time sharing
demand processing time-sharing
demand time-sharing processing
disc time-sharing system