MOS, Micro operating system for the PDP-11

One of the first few operating system used in early TCP experiments. Files and information provided by Internet pioneer J. Noel Chiappa. He says the source code should be complete.

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Oh, we had a mention of MOS, and its more complicated predecessor, ELF, before:

Right, thanks for the reminder. I collected ELF code from a few sources and posted the link in that thread. If I remember correctly, ELF was also one of the TCP bakeoff systems.

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