The present invention offers an improved type of shared memory area management system for use in a network system which includes a main computer accessed through a plurality of terminals and a memory area provided in said main computer the use of which is shared by said terminals, wherein the memory...http://www.google.de/patents/US5129085?utm_source=gb-gplus-sharePatent US5129085 - Computer network with shared memory using bit maps including flags to indicate reserved memory areas and task status
