Implementation of the SHARER2 Time-Sharing System A simple mechanism is described for the execution of part of a program with its own memory protection. This allows such a program to act as a suboperating system. An improved version of the SHARER time-sharing system using this feature is described. CACM December, 1968 Harrison, M. C. operating system, memory protection, time-sharing, multiprogramming, monitor, submonitor, suboperating system 4.32 4.31 4.32 CA681209 JB February 21, 1978 1:27 PM 1657 4 1657 2080 4 1657 2357 4 1657 2536 4 1657 1523 5 1657 1657 5 1657 1657 5 1657 1657 5 1657