A Technical History of Apple's Operating Systems

This is an unedited chapter of "Mac OS X Internals: A Systems Approach" by Amit Singh.

http://www.osxbook.com/book/bonus/chapter1/

It does contain some pages about the Lisa, but nothing too exciting. :-) There are some errors in there too. For example, he mentions that the Environments window was built into the boot ROM. This isn't the case.

He also mentions the LOS file system, but not how items were stored on the desktop, and that you could have multiple files with the same name.

There's also mention of a low power state, however this isn't the case. The Lisa was turned off - all except for the COP421 processor which was the clock and power manager. It's not like the sleep/standby features of current computers.

Anyhow, it's still a good overview.

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