Around 1978 Motorola did start the design of a microprocessor with a 32 bit addressrange and a orthogonal instruction set. At the department it was soon seen that this processor could be used to run Unix and we decided to port Unix to this architecture. The port was done to the Exormacs (technical datasheet) hardware.
Around that time the first commercial based on the MC68000 became available. In 1984 we did buy a Cadmus system:
Our own system and Munix did use swapping. This did limit the size of runable prograns. At that time systems based on MC68000 became available which where capable of using virtual memory (e.g. Sun Microsystems).
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