Porting Unix to the 386: A Practical Approach

William & Lynne Jolitz

Started open source UNIX.

Appeared in part as a 17 article magazine series in 1991-1992.

Documented the "how, what, why, who, when" of porting BSD to the 386.

Done while BSD was becoming "open source".

Porting Unix to the 386: A Practical Approach - file abstraction mechanism

file abstraction mechanism:

Filesystem Creation

Where do you get the root filesystem, when you need it to make itself? Answer - you make it on another system, in this case one quite different, and then you break the recursion.