Change: spaceK42 - reliabilityMach - emulating other operating systemsPlan 9 - per-process mutable namespacesL4 and friends: totally microkernelAmoeba - total distributionSome of these operating systems certainly contributed mainstream material: TCL comes from Sprite, Apple's OSX has its roots in Mach, as did DEC's OSF/1.   View changes from previous version. (Word count: 91)

Change:  world. They often embodied decent ideas that shouldn't get lost.Sprite - process migration and networked filesystem, Log-structured filesystemOpal - single, 64-bit address spaceK42 - reliabilityMach - emulating other operating systemsPlan 9 - per-process mutable namespaces   View changes from previous version. (Word count: 56)

Change: Created by bediger May 22 2008, 9:42 AM EDT for: no reason given