508 lines
20 KiB
Plaintext
508 lines
20 KiB
Plaintext
From: Digestifier <Linux-Misc-Request@senator-bedfellow.mit.edu>
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To: Linux-Misc@senator-bedfellow.mit.edu
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Reply-To: Linux-Misc@senator-bedfellow.mit.edu
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Date: Mon, 10 Oct 94 12:13:12 EDT
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Subject: Linux-Misc Digest #912
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Linux-Misc Digest #912, Volume #2 Mon, 10 Oct 94 12:13:12 EDT
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Contents:
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Re: Is linux a multithreaded operating system? (David Barr)
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XFree3.1 + Spea Mercury P64 PCI (Joern Carstens)
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Re: Mail order Linux or CD-roms (Jeff Kesselman)
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Re: Word (Text) processors for Linux? (Byron A Jeff)
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Re: Mystery Chip...AMD (Brad Matthew Garcia)
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Re: Newbies? (was Re: Hmmm) (Starblood)
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Re: Dialup problem (Klaus Lichtenwalder)
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Re: Curious: Why is Linux DOOM so much slower than DOS doom (To Kar Keung Isaac)
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Re: getting linux to work dail-up (Lars Hofhansl)
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OLD LINUX CDROMS (Gideon H. Chonia)
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Oracle for Linux?! (Andrej Sostaric, TF Maribor, 062 25-461 (442))
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ez (was Re: Word (Text) processors for Linux?) (Budi Rahardjo)
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Re: Beautifying Linux/Xfree (Terence S. Murphy)
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----------------------------------------------------------------------------
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From: barr@pop.psu.edu (David Barr)
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Subject: Re: Is linux a multithreaded operating system?
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Date: 9 Oct 1994 21:17:30 -0400
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In article <jeffpkCxEDBn.L24@netcom.com>,
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Jeff Kesselman <jeffpk@netcom.com> wrote:
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>So yes, UNIX is multi-threaded in the sens that there are multiple threads
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>of control operating in a time-sliced fashion. The term 'threading' is
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>often used in multi-tasking system however to denote a 'lesser form' of
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>multi-taskign that goes on completely within a single process.
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Not quite. Most UNIXes (including Linux) are not multi-threaded at all.
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Multi-tasking is simply multiple "tasks" (call them threads, call them
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processes, it doesn't matter) executing simultaneously. Traditionally,
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the smallest schedule-able "task" is a process. If you want two
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things to be able to execute simultaneously, you make two processes.
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Multi-threading extends this such that you can have multiple threads
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per process, and each thread can be scheduled on its own. If one
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thread in a process performs a read() and has to wait, other threads
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can continue executing.
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The difference between a "thread" and a "process" in a multi-threaded
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system is that a "thread" shares the same address space as other
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threads in the same process. With processes, in order to share memory,
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you need to use something like the SYSV shm*() family of syscalls.
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>thsi is
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>also sometimes called 'light-weight multi-tasking'. UNIX (and Linux)
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I think you're thinking of what Sun calls "light weight processes",
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which is a hokey pseudo-threaded system for non-multithreading kernels.
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Under LWP, system calls in one thread block all threads in the process
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from executing.
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There are thread libraries for Linux (pthreads) that will allow this
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sort of multithreading for Linux, but don't confuse that with a
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multithreading operating system. (Like Solaris) These are called
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"user-level" threads, and are not nearly as useful as one with
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a kernel that supports threads. (and if your kernel supports real
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threads, you can compile the pthread library to do real threading)
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--Dave
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------------------------------
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From: phantom@cs.tu-berlin.de (Joern Carstens)
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Crossposted-To: comp.os.linux.help
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Subject: XFree3.1 + Spea Mercury P64 PCI
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Date: 10 Oct 1994 01:12:30 GMT
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Hi all !
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Did anybody get a Spea Mercury P64 graphic card combined with
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XFree3.1 to work ?? I tried the xf86config programm to config
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the card but no modes worked. If I start the server manually
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with X -bpp 32 (X is linked to XF86_S3) sometimes I get a correct
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screen, sometimes not. Even -bpp 16 or -bpp 8 sometimes work, but
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I can't tell how or when or why.
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I played with the settings for ChipSet, ClockChip and some
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of these settings, but none of them worked out. Some comments
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are found in the manuals for the S3 cards and the used chips
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but none of the recommended settings give a better result.
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The RamDAC is configured correctly, the card is recognized as a
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S3 Vision 964, so everything basic is correct.
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It seems that the card sometimes gets the timing right, sometimes
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not.
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Anybody any idea ??
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Thanks in advance for any help
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--
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Joern Carstens, Phone: +49 (0)30 6871337
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Mail: phantom@cs.TU-Berlin.DE
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------------------------------
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From: jeffpk@netcom.com (Jeff Kesselman)
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Subject: Re: Mail order Linux or CD-roms
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Date: Mon, 10 Oct 1994 01:05:51 GMT
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In article <374287$8pc@selway.umt.edu>,
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Jalal J Jemison <redman@selway.umt.edu> wrote:
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>Does anyone know about a CD-rom version of linux which would
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>be much easier to install... Or any mail order groups that
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>mail out linux
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>Thanks
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>
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I knwo you didn't realize this, but this is potential flame-war bait.
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Everyone has different experiences. I've found Yygdrasil very easy to
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install, others swear by Slackware. There are about as many pro and con
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stories as there are users.
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JK
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------------------------------
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From: byron@gemini.cc.gatech.edu (Byron A Jeff)
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Crossposted-To: comp.unix.questions
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Subject: Re: Word (Text) processors for Linux?
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Date: 9 Oct 1994 20:45:36 GMT
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In article <1994Oct8.141920.8660@midway.uchicago.edu>,
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Richard L. Goerwitz <goer@midway.uchicago.edu> wrote:
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-Sergei Naoumov writes:
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->
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->It can be easily done with XEmacs. LaTeX is not a text processor. It's a
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->different thing -- typesetting system.
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-
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-Right on. The point here is that most people prefer for these two things
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-to be integrated, and not artificially separated. Separation here is an
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-artifact of the 80s.
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-
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-Now I realize that many people - particularly people who like to get into
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-the internals of every system they encounter - like LaTeX as it is. Just
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-recognize, folks, that you are in the minority. Also, recognize that the
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-rest of us aren't just stupid. We simply have different priorities.
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-
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-I can just see it now: Renegade Unixoid takes over as project manager for
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-the next revision of Word, and decides to strip it of its GUI; anyone not
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-willing to go along considered brain dead....
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You and I are in agreement on this, Richard. Linux is in desparate need
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of it's own wordprocessor, not a typesetter.
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The problem is what's be best/fastest way to accomlish this. Some observations
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1) Must be native. Until we reach a point where emulation is standard and
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stable in Linux distributions we need a unpack and go package.
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2) Simple. Unfortunately that means that Richard's pet peeve - multiligualness
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must be put on the back burner. Only the most used functions need to
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be available (font styles and sizing, basic paragraph formatting, tables
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among others) must be available. The obscure, rarely used but "must be
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in there for completeness sake" kinds of functions that all the commercial
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Wordprocessors have need to be carefully evaluated and left off if a
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demonstrated need for it is not shown.
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3) Multi-layered interface. I know GUI's are cool. I know that WYSIWYG is hot.
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But frankly a GUI/WYSIWYG interface isn't much good when I'm sitting
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in front of a terminal, or telnetting over a slow link, or when I'm
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stuck on a 386-25 Laptop with 4 MB of memory, or even the
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rare occasions when I have to use a DOS/Windows machine. Oftentimes it's
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not useful or feasible to use a GUI/WYSIWYG interface. However I agree
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and admit that GUI/WYSIWYG is useful. So I think a multilayered Text/(S)VGA/
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X interface would be useful. That way the product can be used over the
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variety of physical interfaces that Linux, X, and networking makes
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available.
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Folks neither TeX, groff, or another other typesetter, or emulated WP like
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WordPerfect under DOS/WINDOWS or SCO is going to cut it here. A Wordprocessor
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is such a critical resource in a computing system that Linux has the potential
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of never making inroads beyond its supposed "hacker/Unix junkie" clientele.
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Linux needs it's own Wordprocessor. Something simple, elegant, and moderately
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powerful. And we need it yesterday.
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The question is how to accomplish this?
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BAJ
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--
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Another random extraction from the mental bit stream of...
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Byron A. Jeff - PhD student operating in parallel - And Using Linux!
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Georgia Tech, Atlanta GA 30332 Internet: byron@cc.gatech.edu
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------------------------------
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From: garcia@ece.cmu.edu (Brad Matthew Garcia)
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Crossposted-To: comp.sys.ibm.pc.hardware.systems,comp.os.linux.admin
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Subject: Re: Mystery Chip...AMD
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Date: 10 Oct 1994 11:44:09 GMT
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In article <3740ss$4kj@venera.isi.edu>, daniel@isi.edu (Daniel Zappala) writes:
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|>
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|> But doesn't Intel sell a chip that upgrades a 486DX-33 into a 486DX2-66?
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|> How do they manage that?
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|>
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|>
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|> Daniel
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In some cases, the old chip must be yanked and the new chip inserted in
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its place. So it updates a 486-33 computer system to a 486-66, but the
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chip itself is replaced.
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I know there are (for some systems) ways to upgrade w/o yanking the old
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chip. Does anyone know more about these, or was I misinformed?
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--
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Brad M. Garcia Carnegie Mellon University
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____/ ____/ ____/ Department of Electrical and Computer Engineering
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__/ / __/ "The only Engineering department in the world where
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_____/ _____/ _____/ the secretaries have the most powerful computers."
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------------------------------
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From: we47932@vub.ac.be (Starblood)
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Crossposted-To: alt.fan.linus-torvalds
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Subject: Re: Newbies? (was Re: Hmmm)
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Date: 10 Oct 1994 07:32:56 GMT
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(ccnet.ccnet.com>
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Organization: Brussels Free Universities (VUB/ULB), Belgium
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Distribution:
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A computer genius (stevenl@ccnet.com) wrote:
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: Roderick Hoekstra (rdrckhks@dordt.edu) wrote:
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: : Nyaa, I got you all beat. I started with Slackware 1.2.0,
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: : Kernal, what, I don't remember right now. (It was a summer
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: : project, and CS took my computer away at the end of summer -boo
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: : hoo-) I think, though that it's 1.0.8? Yeah, I'm pretty sure
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: : it is.
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: Don't got me beat. Thats when I started too. (And yes, it is 1.0.8. I
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: think slackware is still in that one, even with 2.0)
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What are you guys talking about?? I think nobody will beat me. My first
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linux system will probably be Slackware 5.0. That will probably be the
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first release that supports the IBM PS/2 architecture :(.
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--
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_
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\ \
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\ \_____________________________
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( ------- | --------------------------------------
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( ( ) _____________| ----- Tourwe Tom |
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( ( ) / | |
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( ------- / | 2nd year of Computer Science |
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| ------- | at the |
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| | | FREE UNIVERSITY OF BRUSSELS |
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| | | |
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| | | e-mail: we47932@is1.vub.ac.be |
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|________| |________________________________|
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``It's not a case of telling the truth
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Some lines just fit the situation
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Call me a liar ...
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You would anyway.''
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------------------------------
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From: klaus@gaston.m.isar.de (Klaus Lichtenwalder)
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Subject: Re: Dialup problem
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Date: Sun, 9 Oct 1994 22:00:23 GMT
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rob@pe1chl.ampr.org (Rob Janssen) writes:
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>Use my special program for the ZyXEL, available from sunsite in directory
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>/pub/linux/system/Serial.
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>For me it works all the time. Plus you can use it as a FAX and an answering
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>machine as well...
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Never tried Rob's software, but I'm (among others ;-) using mgetty+sendfax,
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one of the better (IMHO) packages, especially if you're using a ZyXEL
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modem. Sorry, Rob, again, I never tried your software...
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Klaus
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--
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__________________________________________________________________________
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Klaus Lichtenwalder, Dipl. Inf., Buschingstr. 65
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D-81677 Muenchen, F.R. Germany, Fax +49-89-98292755
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email: Lichtenwalder@ACM.org, klaus@gaston.m.isar.de
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------------------------------
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From: kkto@ipc14.csd.hku.hk (To Kar Keung Isaac)
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Subject: Re: Curious: Why is Linux DOOM so much slower than DOS doom
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Date: Mon, 10 Oct 1994 11:10:18 GMT
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In article <jeffpkCxAGHz.M9G@netcom.com> jeffpk@netcom.com (Jeff Kesselman) writes:
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>>
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>>Well, first off, I've heard that the code for Linux DOOM is pure C, whereas
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>>the DOS version has some optimized assembly in it for speed. So you should
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>>expect less performance.
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The following is just my guess, and I don't know whether there is workaround...
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First, DOOM in DOS have the permission to do anything on the machine, but Linux
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one can't. The DOS one actually use DMA to transfer data from memory to DMA,
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while the Linux one call X to display an image. What it means, with shared
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memory, is to copy the data to an area provided by X, then wait X to find
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whether any clipping is necessary (e.g. if another window obscure the DOOM
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window that shouldn't be displayed), and finally the X server will copy that to
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the video memory after a color mapping. That long process should be the
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bottleneck of linxdoom.
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Second, DOOM in DOS is near to the sole memory user. In Linux, it must compete
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with all other clients, like the Xserver, the 4 virtual console, the window
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manager, all system daemons, etc., and must also compete CPU time with them.
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This is another bottleneck of the linxdoom.
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That means that DOS is unique in providing such an environment. Even SGI doom
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can't beat it. (However, the superb computational speed and pipeline of the SGI
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should be able to compensate the problem completely)
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Isaac.
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------------------------------
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From: lars@hboix1.enet.dec.com (Lars Hofhansl)
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Crossposted-To: alt.os.linux,comp.os.linux.help
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Subject: Re: getting linux to work dail-up
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Date: 10 Oct 1994 12:47:38 GMT
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Reply-To: lars@hboix1.enet.dec.com
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In article <3770hp$crj@vanbc.wimsey.com>, jzielin@vanbc.wimsey.com (Jacob Zielinski) writes:
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>
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>Has anyone be able to hook their modem up so that you can dail into linux?
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>
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>The people on #linux suggested agetty, and mgetty. But I didn't get to far
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>with those to commands. Could somebody who as done this explain how or at
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>least point me toward some docs.
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>
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>Thank you
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>
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Hi Jacob,
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I don't know which getty the best; personally I use agetty.
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In /etc/inittab you insert a line like
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d1:56:respawn:/sbin/agetty -mt60 38400,19200,9600,4800 /dev/ttyS1
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(Several baudrates enables baudrate switching, when the autobaud function (-m)
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failes)
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Now you have to setup your modem to "pick up the phone". On Hayes-compatible
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modems you do that with
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ATS0=n where n is the number of rings the modems should wait before it picks
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up the phone (you will most probably want to set n to 0).
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You can send the command using sezon,kermit or minicom...
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For me "echo -nf ATS0=0" works, but I heard that doesn't for everyone.
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That's all I did to set it up, and it works for dialin and dialouts;
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problems may arise when using UUCP on the same line. In that case you should
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switch over to uugetty (or getty_ps)...
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good luck,
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Lars
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------------------------------
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From: k042240@rzu.unizh.ch (Gideon H. Chonia)
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Subject: OLD LINUX CDROMS
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Date: Mon, 10 Oct 1994 12:59:20 GMT
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Thanks to all who contributed in a way.
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We have sent the PC's and modems to Ghana, West Africa.
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We are now soliciting for OLD or USED LINUX CDROM.
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Any version is O.K.
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We just want them to start somewhere with Linux.
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Thank you all
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I know it is short, but that all we need.
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Gideon
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--
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% Name: Gideon Hayford Chonia %
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% Org: University Of Zurich, Computing Centre %
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% Tel. +41 1 257 4542 %
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% Fax. +41 1 257 4505 %
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% Internet: k042240@rzu.unizh.ch %
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% X.400: C=ch ADMD=arcom PRMD=switch O=unizh OU1=rzu S=k042240 %
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% Bitnet: K042240 at CZHRZU1A %
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% WWW: http://www.unizh.ch/~k042240 %
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% Bushmail: ....!Earth!Africa!Ghana!Pokoase!Yaovi %
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% %
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% ---------- Ich darf ge-Du-zt werden ---------- %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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------------------------------
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From: ansos@uni-mb.si (Andrej Sostaric, TF Maribor, 062 25-461 (442))
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Subject: Oracle for Linux?!
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Date: 10 Oct 94 14:17:07 +0200
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Hello, dear Linux friends,
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just a short question. Are there any possibilities for Oracle to run
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under Linux (at least version 5)?
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Andrej Sostaric
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e-mail: ansos@uni-mb.si
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------------------------------
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From: rahardj@cc.umanitoba.ca (Budi Rahardjo)
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Crossposted-To: comp.unix.questions
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Subject: ez (was Re: Word (Text) processors for Linux?)
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Date: 10 Oct 1994 13:52:19 GMT
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byron@gemini.cc.gatech.edu (Byron A Jeff) writes:
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: Linux needs it's own Wordprocessor. Something simple, elegant, and moderately
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: powerful. And we need it yesterday.
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: The question is how to accomplish this?
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Who about Andrew's "ez" ? I think that's what you want.
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-- budi
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------------------------------
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From: blackbob@wwa.com (Terence S. Murphy)
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Subject: Re: Beautifying Linux/Xfree
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Date: 7 Oct 1994 22:55:04 -0500
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I don't like the idea of a menu to set the appearance of X because it
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would be too limiting. What I think would be more helpful would be
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something like a BeautifyX-HOWTO, or something similar. For example,
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think of all of the different neat things there are to put in the root
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window. One can run xearth (my favorite!), run xfishtank, load a
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picture, set the solid color, and no doubt many other things that
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I don't know about. A menu couldn't solve the problem. The closest
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it could come would be to set up a prompt for the command to bring
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up the root window, which defeats the purpose of a menu.
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I think that a HOWTO file would be truly useful. It would be more of
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a tips file, actually. I'm sure that there are dozens of neat little
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toy programs that many people run, as well as several useful programs,
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that would really enhance X. By pooling all of our experiences into
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a file, a user could choose exactly what he wanted to do.
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One thing that would be neat would be a list of nice color combinations.
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Sometimes I see these discussed and I often test them out and like
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them enough to incorporate them enough into my configuration. And
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whenever I add a new program to my configuration, I'm at a loss to
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think of a new color combination.
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This could cover so many things like this. For example, what about
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setting up FvwmSound? Which sounds are nice tied to which events?
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Under xearth what angle of the earth looks the nice? What programs are
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useful to put on the GoodStuff bar? Which clocks look nice and how can
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they be configured? Which monitor programs are useful to include
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on startup? There are so many questions like this and I'm sure
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everyone has his preferences, but we would all learn from others
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tastes and incorporate them as our own.
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A menu program works under MS-Windows because everything is configured
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by the OS. Under X, though, most visual things are determined by
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individual user programs which have nothing in common, so it would
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be very difficult to have a menu aided configuration. This is why
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I think a file containing experienced users' tips and experiences
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would be far more useful.
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--
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Terry Murphy | UIUC Frosh/CS Major | "The whole world has been made again" -
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Marillion | There ought to be an alt.fan.linus-torvalds! | "The S.A.T is not
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geared for the lower class so why waste time even trying to pass?"-Gang Starr
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"I never found a companion that was so companionable as solitude"-H.D.Thoreau
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------------------------------
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** FOR YOUR REFERENCE **
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The service address, to which questions about the list itself and requests
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to be added to or deleted from it should be directed, is:
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Internet: Linux-Misc-Request@NEWS-DIGESTS.MIT.EDU
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You can send mail to the entire list (and comp.os.linux.misc) via:
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Internet: Linux-Misc@NEWS-DIGESTS.MIT.EDU
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Linux may be obtained via one of these FTP sites:
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nic.funet.fi pub/OS/Linux
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tsx-11.mit.edu pub/linux
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sunsite.unc.edu pub/Linux
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End of Linux-Misc Digest
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******************************
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