What an AS/400 is, and why it resembles nothing else
The operating system does not talk to the hardware, and programs do not talk to memory. Almost everything else follows from those two choices.
The operating system does not talk to the hardware, and programs do not talk to memory. Almost everything else follows from those two choices.
How an IBM i is put together and why: objects, libraries, jobs, subsystems, security, spool, backups. For anyone handed the machine without having seen one.