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Article #4339Re: Difference between Unix and Linux?
From: Jeffrey Siegal
Date: Wed, 03 Jul 2002 01:12
Date: Wed, 03 Jul 2002 01:12
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2536 bytes
Steve Mading wrote: > > In comp.unix.questions Robert Uhl <ruhl@4dv.net> <ruhl@4dv.net> wrote: > : Steve Mading <madings@baladi.bmrb.wisc.edu> writes: > :> > :> : This is not quite correct. You can start a single user program > :> : from the kernel command line with init=. That could be enough for > :> : some systems. > :> > :> Alright, then switching from programs to other files, would that > :> one userland process function very well without any of the > :> libraries in /lib, without the ability to interface with with > :> system routines because the library to interface with the kernel > :> is not there? > > : It could interface to the kernel directly... > > How? Remember, no compiler, no libraries, no linking because you > are talking about bare-bones here (and precompiling elsewhere > doesn't count because that just offloads some OS functionality to a > seperate machine.) So it would have to be by memorizing the offsets > of where routines start and calling them by address. That's not how system calls work.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f8c9b,c2f5a7a6eb2eb0a9 X-Google-Attributes: gidf8c9b,public X-Google-Thread: 1020c6,c2f5a7a6eb2eb0a9 X-Google-Attributes: gid1020c6,public X-Google-Thread: 1025b4,7144e36039d56e89 X-Google-Attributes: gid1025b4,public X-Google-ArrivalTime: 2002-07-02 18:12:53 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-01!sn-post-01!supernews.com!corp.supernews.com!not-for-mail From: Jeffrey Siegal <jbs@quiotix.com> Newsgroups: comp.unix.admin,comp.unix.questions,gnu.misc.discuss Subject: Re: Difference between Unix and Linux? Date: Tue, 02 Jul 2002 18:12:23 -0700 Organization: Posted via Supernews, http://www.supernews.com Message-ID: <3D224F77.EC064587@quiotix.com> X-Mailer: Mozilla 4.79 [en] (WinNT; U) X-Accept-Language: en MIME-Version: 1.0 References: <25fc8d92.0206150829.2aba827b@posting.google.com> <aelarj$5qt$1@tilde.itg.ti.com> <aermut$1vt9$1@agate.berkeley.edu> <n36dhucf8bochbnh1lfhtp78lkrrerjpug@4ax.com> <afddm8$94k$1@tilde.itg.ti.com> <3D1A3FFD.4CE18AAC@quiotix.com> <m3ptyc6872.fsf@latakia.dyndns.org> <afiqt1$t1j$1@news.doit.wisc.edu> <3D1CF4D0.8090600@quiotix.com> <afkubh$4t$5@news.doit.wisc.edu> <3D1E6E23.EC9BAD89@quiotix.com> <afs1b3$iki$2@news.doit.wisc.edu> <m3n0tarvev.fsf@latakia.dyndns.org> <afth0g$d85$2@news.doit.wisc.edu> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Complaints-To: newsabuse@supernews.com Lines: 24