I remember there being "recoverable" errors in later versions of the OS. But if you got a "Guru Meditation" you were almost always done. With newer machines (68

I remember there being "recoverable" errors in later versions of the OS. But if you got a "Guru Meditation" you were almost always done. With newer machines (68020+ w/MMU) you could protect the first page of memory which helped ("Enforcer" was the name of the program, I think.)