From: S_TITZ@iravcl.ira.uka.de (Olaf Titz) Subject: Re: BSD Unix aka Freedom is a myth.... Date: 27 Jul 1992 08:37:32 GMT
In <veit.711728954@du9ds3> veit@du9ds3.uni-duisburg.de writes:
...
> NIXe or XINe above could be sued. I can imagine an interpretation of what is
> the "idea of UNIX," it might be a lot of things, including
> file system (inodes, hierarchical tree, naming conventions)
> process management (e.g. init, fork, setuid!)
~~~~~~
> device driver management (terminal disciplines)
> the set of system and user calls (remember the GETCHAR macro)
> pipelining concept of the shells (in general: user interfacing)
> Any of the derived versions (or reverse engineered or developed from scratch)
> has at least one aspect of UNIX. Even if the programmers haven't even seen
Some time ago, in a UNIX manual (which one I unfortunately don't
remember), I read that the SETUID principle was actually covered by a
patent (inventor Ken Thompson, I think).
MfG,
Olaf