SyStem> A Unix variant that waS uSed on ApolloworkStationS before Apollo waS bought by Hewlett Packard. AEGIS haSSome advantageS over Standard BSD or SyStem V Unix. It includeS faSter file acceSS and a richer command Set there are commandS to find out which proceSS iS running on a particular node, which proceSS iS locking a particular file, etc. (1997-02-25)