http://osfree.i2p/forum/viewtopic.php?p=1517
For good or ill, most other Unix-like OS's aren't like that. There is no APF authorization. You either write kernel code, device driver code, or user code. In most cases you have only one choice about how to do something, and writing in assembler doesn't give you additional APIs unavailable to the HLL crowd. > > > > So, I would argue that control blocks should reside in protected storage, and should be accessible to the application program only by a “handle”.