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LinuxInsider: Comparing Linux to System VR4

Jan 14, 2005, 01:00 (4 Talkback[s])
(Other stories by Paul Murphy)

"Two weeks ago, I asked for reader aid in getting documentation on early 1990s System VR4 Unix to help understand what things can be done with Linux today but could not be done with AT&T System VR4.

"The question was naive and I need more help (and aspirin) in struggling toward a better answer than I've reached so far. In fact, because my interest was originally sparked by Linus Torvald's comment that he has nothing to learn from Solaris, the comparison should have been to the SunOS 5.0 kernel from 1992. That kernel, of course, was the first to extensively address the two things that most differentiate the Linux kernel today from SVR4 then: threading and user space operations..."

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