MIT provides MULTICS source and documentation

[Chris Kennedy]

Brian L. Stuart wrote:

> The address was used in 2 18-bit parts.  The upper part was the
> segment number and the lower the offset into the segment.  That meant
> segments could be no more the 256K and you could have no more than
> 256K of them.  Because there was a one-to-one correspondence between
> files and segments, that would have limited files to 256K.

256K *words* as I recall, or 1MB worth of nine-bit bytes.

> They did some "stuff" to get around that,

The dread multi-segment files.  Not terribly well supported as I recall.

-- 
Chris Kennedy
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