Oh, I remember fixing sources for it in Linux kernel right after 2.0.0 release to make one of the clones working. Then it was fixed properly in next release (2.

Oh, I remember fixing sources for it in Linux kernel right after 2.0.0 release to make one of the clones working. Then it was fixed properly in next release (2.0.1, or something like). But yes, it was widespread, especially in my circles - universities, etc. in ex-ussr