Operating systems designed early on.
Every layer above the last has access to what the last layer has. All layers have access to the base hardware. Leaves the MS DOS vulnerable to malware and causes entire system to crash if a program fails.
Operating systems designed early on.
Every layer above the last has access to what the last layer has. All layers have access to the base hardware. Leaves the MS DOS vulnerable to malware and causes entire system to crash if a program fails.