The OS ClassicsJuly 15, 2020 • 627 words A few days ago I was fortunate to pick up a copy of a book that had a major impact on my early career as kernel engineer; The Design and Implementation of the 4.3 BSD UNIX Operating System by Samuel J. Leffler, Marshall Kirk McKusick, Michael J. Karels and John S. Quarterman. It was the first authoritative description of Berkeley UNIX, its design and implem
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