Tasks, 429, 430, 917 cleanup, 469 communication, 481 coordination, 481 creation, 466, 467 - stack, 466 exclusion, 470 deallocation of system resources, 469 finalPC, 469 forbidding, 470 initialPC, 469 non-preemptive, 470 priority, 469 sharing library bases, 467 stack minimum size, 468 overflows, 469 supervisor mode, 468 user mode, 468 switching, 932 termination, 469