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I want to do research on the evolution of Linux.

Therefore it would be nice if I could download the sources of Linux at several moments in time (from 1991 till now).

Is there a site where one can find those sources?

Similar sites for other Unix based operating systems are also welcome.

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Linux (the kernel), or GNU/Linux (the usable operating system)? The answers so far seem to talk mostly about the kernel. – Michael Kjörling Apr 30 '12 at 9:26

4 Answers 4

up vote 10 down vote accepted

I suggest these two:

and a more straightforward one from this site that contain Linux kernel 0.01, 0.10, 0.11,...,0.98:

and the other:

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@utopiabound thanks – XinHua Apr 30 '12 at 14:43

Check this URL:

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The Unix Heritage Society has a load of old Genuine Unix source code. The source code page has Bell Labs Unix from Version 1 through 6, 32V, System III, some or all of the BSDs, pointers to Linux progenitor Minix.

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