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From: Michael K. Johnson <[email protected]>
Newsgroups: comp.os.linux.announce,comp.os.linux.hardware,comp.os.linux.setup,comp.os.linux.networking,comp.os.linux.x,comp.os.linux.answers,comp.os.linux.misc,comp.answers,news.answers
Subject: Linux INFO-SHEET (part 1/1)
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Date: 5 Aug 1997 23:15:48 -0400
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Archive-name: linux/info-sheet
Last-modified: 20 Jan 97

-----BEGIN PGP SIGNED MESSAGE-----

*** The `Linux INFO-SHEET' is posted automatically by the
*** Linux HOWTO coordinator, Greg Hankins <[email protected]>.  Please
*** direct any comments or questions about this HOWTO to the author,
*** Michael K. Johnson <[email protected]>.

- --- BEGIN Linux INFO-SHEET part 1/1 ---

 Linux Information Sheet
 Michael K. Johnson, [email protected]
 v4.11, 13 January 1997

 This document provides basic information about the Linux operating
 system, including an explanation of Linux, a list of features, some
 requirements, and some resources.

 1.  Introduction to Linux

 Linux is a completely free reimplementation of the POSIX
 specification, with SYSV and BSD extensions (which means it looks like
 Unix, but does not come from the same source code base), which is
 available in both source code and binary form.  It is copyrighted by
 Linus B. Torvalds ([email protected]) and other contributors,
 and is freely redistributable under the terms of the GNU Public
 License.

 Linux is not public domain, nor is it `shareware'.  It is `free'
 software, commonly called freeware, and you may give copies away, but
 you must also give the source with it or make it available in the same
 way.  If you distribute any modifications, you are legally bound to
 distribute the source for those modifications.  See the GNU General
 Public License for details.  A copy is included with the Linux source,
 or you can get a copy via ftp from prep.ai.mit.edu in /pub/gnu/COPYING

 Linux is still free as of version 2.0, and will continue to be.
 Because of the nature of the GNU copyright which Linux is subject to,
 it would be illegal for it to be made not free.  Note carefully: it is
 perfectly legal to charge money for distributing Linux, so long as you
 also distribute the source code.  This is a generalization; if you
 want the fine points, read the GPL.

 Linux runs on 386/486/Pentium machines with ISA, EISA, PCI and VLB
 busses.  MCA (IBM's proprietary bus) is not currently well-supported,
 although support has been added to the current development tree,
 2.1.x.  If you are interested, see
 <http://glycerine.itsmm.uni.edu/mca>

 There is a port in progress for multiple Motorola 680x0 platforms
 (currently running on some Amigas, Ataris, and VME machines), which
 now works quite well.  It requires a 68020 with an MMU, a 68030,
 68040, or a 68060, and also requires an FPU. Networking and X now
 work.

 Linux runs well on DEC's Alpha CPU, currently supporting the "Jensen",
 "NoName", "Cabriolet", "Universal Desktop Box" (better known as the
 Multia), and many other platforms.  For more information, see
 <http://www.azstarnet.com/~axplinux/FAQ.html>

 Linux runs well on Sun SPARCs; most sun4c and sun4m machines now run
 Linux, with support for sun4u in active development.  Red Hat Linux is
 (as of this writing) the only Linux distribution available for SPARCs;
 see <http://www.redhat.com/support/docs/rhl-sparc/>

 Linux is being actively ported to the PowerPC architecture, including
 PowerMac (Nubus and PCI), Motorola, IBM, and Be machines.

 Ports to other machines, including MIPS and ARM, are under way and
 showing various amounts of progress.  Don't hold your breath, but if
 you are interested and able to contribute, you may well find other
 developers who wish to work with you.

 Linux is no longer considered to be in beta testing, as version 1.0
 was released on March 14, 1994.  There are still bugs in the system,
 and new bugs will creep up and be fixed as time goes on.  Because
 Linux follows the ``open development model'', all new versions will be
 released to the public, whether or not they are considered
 ``production quality''.  However, in order to help people tell whether
 they are getting a stable version or not, the following scheme has
 been implemented:  Versions 1.x.y, where x is an even number, are
 stable versions, and only bug fixes will be applied as y is
 incremented.  So from version 1.2.2 to 1.2.3, there were only bug
 fixes, and no new features.  Versions 1.x.y, where x is an odd number,
 are beta-quality releases for developers only, and may be unstable and
 may crash, and are having new features added to them all the time.
 >From time to time, as the currect development kernel stabilizes, it
 will be frozen as the new ``stable'' kernel, and development will
 continue on a new development version of the kernel.

 The current stable version is 2.0.27 (this will continue to change as
 new device drivers get added and bugs fixed), and developement has
 also started on the experimental 2.1.x kernels.  If 2.0.x is too new
 for you, you may want to stick with 1.2.13 for the time being.
 However, the latest releases of 2.0 have proved quite stable.  Do note
 that in order to upgrade from 1.2 to 2.0, you need to upgrade some
 utilities as well; you may wish to upgrade to the latest version of
 your Linux distribution in order to obtain those utilities.  The Linux
 kernel source code also contains a file, Documentation/Changes, which
 explains these changes and more.

 Most versions of Linux, beta or not, are quite stable, and you can
 keep using those if they do what you need and you don't want to be on
 the bleeding edge.  One site had a computer running version 0.97p1
 (dating from the summer of 1992) for over 136 days without an error or
 crash.  (It would have been longer if the backhoe operator hadn't
 mistaken a main power transformer for a dumpster...) Others have
 posted uptimes in excess of a year. One site still had a computer
 running Linux 0.99p15s over 600 days at last report.

 One thing to be aware of is that Linux is developed using an open and
 distributed model, instead of a closed and centralized model like much
 other software.  This means that the current development version is
 always public (with up to a week or two of delay) so that anybody can
 use it.  The result is that whenever a version with new functionality
 is released, it almost always contains bugs, but it also results in a
 very rapid development so that the bugs are found and corrected
 quickly, often in hours, as many people work to fix them.

 In contrast, the closed and centralized model means that there is only
 one person or team working on the project, and they only release
 software that they think is working well.  Often this leads to long
 intervals between releases, long waiting for bug fixes, and slower
 development.  Of course, the latest release of such software to the
 public is often of higher quality, but the development speed is
 generally much slower.

 As of January 13, 1997, the current stable version of Linux is 2.0.27,
 and the latest development version is 2.1.20.

 2.  Linux Features

 �  multitasking: several programs running at once.

 �  multiuser: several users on the same machine at once (and no two-
    user licenses!).

 �  multiplatform: runs on many different CPUs, not just Intel.

 �  multiprocessor: SMP support is available on the Intel and SPARC
    platforms (with work currently in progress on other platforms), and
    Linux is used in several loosely-coupled MP applications, including
    Beowulf systems (see <http://cesdis.gsfc.nasa.gov/linux-
    web/beowulf/beowulf.html>) and the Fujitsu AP1000+ SPARC-based
    supercomputer.

 �  runs in protected mode on the 386.

 �  has memory protection between processes, so that one program can't
    bring the whole system down.

 �  demand loads executables: Linux only reads from disk those parts of
    a program that are actually used.

 �  shared copy-on-write pages among executables.  This means that
    multiple process can use the same memory to run in.  When one tries
    to write to that memory, that page (4KB piece of memory) is copied
    somewhere else.  Copy-on-write has two benefits: increasing speed
    and decreasing memory use.

 �  virtual memory using paging (not swapping whole processes) to disk:
    to a separate partition or a file in the filesystem, or both, with
    the possibility of adding more swapping areas during runtime (yes,
    they're still called swapping areas).  A total of 16 of these 128
    MB swapping areas can be used at once, for a theoretical total of 2
    GB of useable swap space.  It is simple to increase this if
    necessary, by changing a few lines of source code.

 �  a unified memory pool for user programs and disk cache, so that all
    free memory can be used for caching, and the cache can be reduced
    when running large programs.

 �  dynamically linked shared libraries (DLL's), and static libraries
    too, of course.

 �  does core dumps for post-mortem analysis, allowing the use of a
    debugger on a program not only while it is running but also after
    it has crashed.

 �  mostly compatible with POSIX, System V, and BSD at the source
    level.

 �  through an iBCS2-compliant emulation module, mostly compatible with
    SCO, SVR3, and SVR4 at the binary level.

 �  all source code is available, including the whole kernel and all
    drivers, the development tools and all user programs; also, all of
    it is freely distributable.  Plenty of commercial programs are
    being provided for Linux without source, but everything that has
    been free, including the entire base operating system, is still
    free.

 �  POSIX job control.

 �  pseudoterminals (pty's).

 �  387-emulation in the kernel so that programs don't need to do their
    own math emulation.  Every computer running Linux appears to have a
    math coprocessor.  Of course, if your computer already contains an
    FPU, it will be used instead of the emulation, and you can even
    compile your own kernel with math emulation removed, for a small
    memory gain.

 �  support for many national or customized keyboards, and it is fairly
    easy to add new ones dynamically.
 �  multiple virtual consoles: several independent login sessions
    through the console, you switch by pressing a hot-key combination
    (not dependent on video hardware).  These are dynamically
    allocated; you can use up to 64.

 �  Supports several common filesystems, including minix, Xenix, and
    all the common system V filesystems, and has an advanced filesystem
    of its own, which offers filesystems of up to 4 TB, and names up to
    255 characters long.

 �  transparent access to MS-DOS partitions (or OS/2 FAT partitions)
    via a special filesystem: you don't need any special commands to
    use the MS-DOS partition, it looks just like a normal Unix
    filesystem (except for funny restrictions on filenames,
    permissions, and so on).  MS-DOS 6 compressed partitions do not
    work at this time without a patch (dmsdosfs).  VFAT (WNT, Windows
    95) support is available in Linux 2.0

 �  special filesystem called UMSDOS which allows Linux to be installed
    on a DOS filesystem.

 �  read-only HPFS-2 support for OS/2 2.1

 �  HFS (Macintosh) file system support is available separately as a
    module.

 �  CD-ROM filesystem which reads all standard formats of CD-ROMs.

 �  TCP/IP networking, including ftp, telnet, NFS, etc.

 �  Appletalk server

 �  Netware client and server

 �  Lan Manager (SMB) client and server

 �  Many networking protocols: the base protocols available in the
    latest development kernels include TCP, IPv4, IPv6, AX.25, X.25,
    IPX, DDP (Appletalk), NetBEUI, Netrom, and others.  Stable network
    protocols included in the stable kernels currently include TCP,
    IPv4, IPX, DDP, and AX.25.

 3.  Hardware Issues

 3.1.  Minimal configuration

 The following is probably the smallest possible configuration that
 Linux will work on: 386SX/16, 1 MB RAM, 1.44 MB or 1.2 MB floppy, any
 supported video card (+ keyboards, monitors, and so on of course).
 This should allow you to boot and test whether it works at all on the
 machine, but you won't be able to do anything useful.  See
 <http://rsphy1.anu.edu.au/~gpg109/mem.html> for minimal Linux
 configurations

 In order to do something, you will want some hard disk space as well,
 5 to 10 MB should suffice for a very minimal setup (with only the most
 important commands and perhaps one or two small applications
 installed, like, say, a terminal program).  This is still very, very
 limited, and very uncomfortable, as it doesn't leave enough room to do
 just about anything, unless your applications are quite limited.  It's
 generally not recommended for anything but testing if things work, and
 of course to be able to brag about small resource requirements.

 3.2.  Usable configuration

 If you are going to run computationally intensive programs, such as
 gcc, X, and TeX, you will probably want a faster processor than a
 386SX/16, but even that should suffice if you are patient.

 In practice, you will want at least 4 MB of RAM if you don't use X,
 and 8 MB if you do.  Also, if you want to have several users at a
 time, or run several large programs (compilations for example) at a
 time, you may want more than 4 MB of memory.  It will still work with
 a smaller amount of memory (should work even with 2 MB), but it will
 use virtual memory (using the hard drive as slow memory) and that will
 be so slow as to be unusable.  If you use many programs at once, 16 MB
 will reduce swapping considerably.  If you don't want to swap
 appreciably under any normal load, 32 MB will probably suffice.  Of
 course, if you run memory-hungry applications, you may want more.

 The amount of hard disk you need depends on what software you want to
 install.  The normal basic set of Unix utilities, shells, and
 administrative programs should be comfortable in less than 10 MB, with
 a bit of room to spare for user files.  For a more complete system,
 get Red Hat, Debian, Slackware, or another distribution, and assume
 that you will need 60 to 300 MB, depending on what you choose to
 install and what distribution you get.  Add whatever space you want to
 reserve for user files to these totals.  With today's prices on hard
 drives, if you are buying a new system, it makes no sense to buy a
 drive that is too small.  Get at least 500 MB, preferably 1GB or more,
 and you will not regret it.

 Add more memory, more hard disk, a faster processor and other stuff
 depending on your needs, wishes and budget to go beyond the merely
 usable.  In general, one big difference from DOS is that with Linux,
 adding memory makes a large difference, whereas with DOS, extra memory
 doesn't make that much difference.  This of course has something to do
 with DOS's 640KB limit, which is completely nonexistent under Linux.

 3.3.  Supported hardware

    CPU:
       Anything that runs 386 protected mode programs (all models of
       386's 486's, 586's, and 686's should work. 286s and below may
       someday be supported on a smaller kernel called ELKS (Embeddable
       Linux Kernel Subset), but don't expect the same capabilities.  A
       version for the 680x0 CPU (for x = 2 with external MMU, 3, 4,
       and 6) which runs on Amigas and Ataris can be found at
       tsx-11.mit.edu in the 680x0 directory.  Many DEC Alphas are
       supported. Many SPARCs are now supported. Ports are also being
       done to the PowerPC, ARM, and MIPS architectures.  More details
       are available elsewhere.

    Architecture:
       ISA or EISA bus.  MCA (mostly true blue PS/2's) support is
       incomplete but improving (see above).  Local busses (VLB and
       PCI) work. Linux puts higher demands on hardware than DOS,
       Windows, and in fact most operating systems.  This means that
       some marginal hardware that doesn't fail when running less
       demanding operating system may fail when running Linux.  Linux
       is an excellent memory tester...

    RAM:
       Up to 1 GB on Intel; more on 64-bit platforms.  Some people
       (including Linus) have noted that adding ram without adding more
       cache at the same time has slowed down their machine extremely,
       so if you add memory and find your machine slower, try adding
       more cache.  Some machines can only cache certain amounts of
       memory regardless of how much RAM is installed (64 MB is the
       most one popular chipset can cache).  Over 64 MB of memory will
       require a boot-time parameter, as the BIOS cannot report more
       than 64MB, because it is ``broken as designed.''

    Data storage:
       Generic AT drives (EIDE, IDE, 16 bit HD controllers with MFM or
       RLL, or ESDI) are supported, as are SCSI hard disks and CD-ROMs,
       with a supported SCSI adaptor.  Generic XT controllers (8 bit
       controllers with MFM or RLL) are also supported.  Supported SCSI
       adaptors: Advansys, Adaptec 1542, 1522, 1740, 27xx, and 29xx
       (with some exceptions) series, Buslogic MultiMaster controllers
       (Flashpoint support is in beta-testing), NCR53c810-based
       controllers, DPT controllers, Qlogic ISP and FAS controllers,
       Seagate ST-01 and ST-02, Future Domain TMC-88x series (or any
       board based on the TMC950 chip) and TMC1660/1680, Ultrastor 14F,
       24F and 34F, Western Digital wd7000, and others.  SCSI, QIC-02,
       and some QIC-80 tapes are also supported. Several CD-ROM devices
       are also supported, including Matsushita/Panasonic, Mitsumi,
       Sony, Soundblaster, Toshiba, ATAPI (EIDE), SCSI, and others.
       For exact models, check the hardware compatibility HOWTO.

    Video:
       VGA, EGA, CGA, or Hercules (and compatibles) work in text mode.
       For graphics and X, there is support for (at least) normal VGA,
       some super-VGA cards (most of the cards based on ET3000, ET4000,
       Paradise, and some Trident chipsets), S3, 8514/A, ATI
       MACH8/32/64, and hercules.  (Linux uses the Xfree86 X server, so
       that determines what cards are supported.  A full list of
       supported chipsets alone takes over a page.)

    Networking:
       Ethernet support includes 3COM 503/509/579/589 (501/505/507 are
       supported but not recomended), AT&T GIS (ne� NCR) WaveLAN, most
       WD8390-based cards, most WD80x3-based cards, NE1000/2000 and
       most clones, AC3200, Apricot 82596, AT1700, ATP,
       DE425/434/435/500, D-Link DE-600/620, DEPCA, DE100/101,
       DE200/201/202 Turbo, DE210, DE422, Cabletron E2100 (not
       recommended), Intel EtherExpress (not recommended), DEC
       EtherWORKS 3, HP LAN, HP PCLAN/plus, most AMD LANCE-based cards,
       NI5210, ni6510, SMC Ultra, DEC 21040 (tulip), Zenith Z-Note
       ethernet, All Zircom cards and all Cabletron cards other than
       the E2100 are unsupported, due to the manufacturers
       unwillingness to release programming information freely.

       FDDI support currently includes the DEFxx cards from DEC.

       Point-to-Point networking support include PPP, SLIP, CSLIP, and
       PLIP.

    Serial:
       Most 16450 and 16550 UART-based boards, including AST Fourport,
       the Usenet Serial Card II, and others.  Intelligent boards
       supported include Cyclades Cyclom series (supported by the
       manufacturer), Comtrol Rocketport series (supported by the
       manufacturer), Stallion (most boards; supported by the
       manufacturer), and Digi (some boards; not manufacturer-
       supported).  Some ISDN, frame relay, and leased line hardware is
       supported.
    Other hardware:
       SoundBlaster, ProAudio Spectrum 16, Gravis Ultrasound, most
       other sound cards, most (all?)  flavours of bus mice (Microsoft,
       Logitech, PS/2), etc.

 4.  An Incomplete List of Ported Programs and Other Software

 Most of the common Unix tools and programs have been ported to Linux,
 including almost all of the GNU stuff and many X clients from various
 sources.  Actually, ported is often too strong a word, since many
 programs compile out of the box without modifications, or only small
 modifications, because Linux tracks POSIX quite closely.
 Unfortunately, there are not as many end-user applications yet as we
 would like, but this is changing rapidly.  Contact the vendor of your
 favorite commercial Unix application and ask if they have ported it to
 Linux.

 Here is an incomplete list of software that is known to work under
 Linux:

    Basic Unix commands:
       ls, tr, sed, awk and so on (you name it, Linux probably has it).

    Development tools:
       gcc, gdb, make, bison, flex, perl, rcs, cvs, prof.

    Languages and Environments:
       C, C++, Objective C, Java, Modula-3, Modula-2, Oberon, Ada95,
       Pascal, Fortran, ML, scheme, Tcl/tk, Perl, Python, Common Lisp,
       and many others.

    Graphical environments:
       X11R5 (XFree86 2.x), X11R6 (XFree86 3.x), MGR.

    Editors:
       GNU Emacs, XEmacs, MicroEmacs, jove, ez, epoch, elvis (GNU vi),
       vim, vile, joe, pico, jed, and others.

    Shells:
       bash (POSIX sh-compatible), zsh (includes ksh compatiblity
       mode), pdksh, tcsh, csh, rc, es, ash (mostly sh-compatible shell
       used as /bin/sh by BSD), and many more.

    Telecommunication:
       Taylor (BNU-compatible) UUCP, SLIP, CSLIP, PPP, kermit, szrz,
       minicom, pcomm, xcomm, term (runs multiple shells, redirects
       network activity, and allows remote X, all over one modem line),
       Seyon (popular X-windows communications program), and several
       fax and voice-mail (using ZyXEL and other modems) packages are
       available.  Of course, remote serial logins are supported.

    News and mail:
       C-news, innd, trn, nn, tin, smail, elm, mh, pine, etc.

    Textprocessing:
       TeX, groff, doc, ez, LyX, Lout, Linuxdoc-SGML, and others.
    Games:
       Nethack, several Muds and X games, and lots of others.  One of
       those games is looking through all the games available at tsx-11
       and sunsite.

    Suites:
       AUIS, the Andrew User Interface System.  ez is part of this
       suite.

 All of these programs (and this isn't even a hundredth of what is
 available) are freely available.  Commercial software is becoming
 widely available; ask the vendor of your favorite commercial software
 if they support Linux.

 5.  Who uses Linux?

 Linux is freely available, and no one is required to register their
 copies with any central authority, so it is difficult to know how many
 people use Linux.  Several businesses are now surviving solely on
 selling and supporting Linux, and very few Linux users use those
 businesses, relatively speaking, and the Linux newsgroups are some of
 the most heavily read on the internet, so the number is likely in the
 hundreds of thousands, but hard numbers are hard to come by.  However,
 one brave soul, Harald T. Alvestrand, has decided to try, and asks
 that if you use Linux, you send a message to [email protected]
 with one of the following subjects: ``I use Linux at home'', ``I use
 Linux at work'', or ``I use Linux at home and at work''.  He is also
 counting votes of ``I don't use Linux'', for some reason.  He posts
 his counts to comp.os.linux.misc.

 6.  Getting Linux

 6.1.  Anonymous FTP

 Matt Welsh has released a new version of his Installation and Getting
 Started guide, version 2.1.1.  Also, the Linux Documentation Project
 (the LDP) has put out several other books in various states of
 completion, and these are available at
 sunsite.unc.edu:/pub/Linux/docs/LDP.  Stay tuned to
 comp.os.linux.announce.  The Linux Documentation Project home page is
 at <http://sunsite.unc.edu/LDP>

 At least the following anonymous ftp sites carry Linux.

 Textual name                   Numeric address  Linux directory
 =============================  ===============  ===============
 tsx-11.mit.edu                 18.172.1.2       /pub/linux
 sunsite.unc.edu                152.2.22.81      /pub/Linux
 ftp.funet.fi                   128.214.248.6    /pub/OS/Linux
 net.tamu.edu                   128.194.177.1    /pub/linux
 ftp.mcc.ac.uk                  130.88.203.12    /pub/linux
 src.doc.ic.ac.uk               146.169.2.1      /packages/linux
 fgb1.fgb.mw.tu-muenchen.de     129.187.200.1    /pub/linux
 ftp.informatik.tu-muenchen.de  131.159.0.110    /pub/comp/os/linux
 ftp.dfv.rwth-aachen.de         137.226.4.111    /pub/linux
 ftp.informatik.rwth-aachen.de  137.226.225.3    /pub/Linux
 ftp.Germany.EU.net             192.76.144.75    /pub/os/Linux
 ftp.ibp.fr                     132.227.60.2     /pub/linux
 ftp.uu.net                     137.39.1.9       /systems/unix/linux
 wuarchive.wustl.edu            128.252.135.4    mirrors/linux
 ftp.win.tue.nl                 131.155.70.100   /pub/linux
 ftp.stack.urc.tue.nl           131.155.2.71     /pub/linux
 srawgw.sra.co.jp               133.137.4.3      /pub/os/linux
 cair.kaist.ac.kr                                /pub/Linux
 ftp.denet.dk                   129.142.6.74     /pub/OS/linux
 NCTUCCCA.edu.tw                140.111.1.10     /Operating-Systems/Linux
 nic.switch.ch                  130.59.1.40      /mirror/linux
 cnuce_arch.cnr.it              131.114.1.10     /pub/Linux
 ftp.monash.edu.au              130.194.11.8     /pub/linux
 ftp.dstc.edu.au                130.102.181.31   /pub/linux
 ftp.sydutech.usyd.edu.au       129.78.192.2     /pub/linux

 tsx-11.mit.edu and fgb1.fgb.mw.tu-muenchen.de are the official sites
 for Linux' GCC.  Some sites mirror other sites.  Please use the site
 closest (network-wise) to you whenever possible.

 At least sunsite.unc.edu and ftp.informatik.tu-muenchen.de offer
 ftpmail services.  Mail [email protected] or [email protected]
 muenchen.de for help.

 If you are lost, try looking at
 sunsite.unc.edu:/pub/Linux/distributions/, where several distributions
 are offered.  Red Hat Linux, Debian, and Slackware appear to be the
 most popular distributions at the moment.

 6.2.  CDROM

 Most people now install Linux from CDROM's.  The distributions have
 grown to hundreds of MBs of Linux software, and downloading that over
 even a 28.8 modem takes a long time.

 There are essentially two ways to purchase a Linux distribution on
 CDROM: as part of an archive of FTP sites, or directly from the
 manufacturer.  If you purchase an archive, you will almost always get
 several different distributions to choose from, but usually support is
 not included.  When you purchase a distribution directly from the
 vendor, you usually only get one distribution, but you usually get
 some form of support, usually installation support.

 6.3.  Other methods of obtaining Linux

 There are many BBS's that have Linux files.  A list of them is
 occasionally posted to comp.os.linux.announce.  Ask friends and user
 groups, or order one of the commmercial distributions.  A list of
 these is contained in the Linux distribution HOWTO, available as
 sunsite.unc.edu:/pub/Linux/docs/HOWTO/distribution-HOWTO, and posted
 regularily to the comp.os.linux.announce newsgroup.

 7.  Getting started

 As mentioned at the beginning, Linux is not centrally administered.
 Because of this, there is no ``official'' release that one could point
 at, and say ``That's Linux.''  Instead, there are various
 ``distributions,'' which are more or less complete collections of
 software configured and packaged so that they can be used to install a
 Linux system.

 The first thing you should do is to get and read the list of
 Frequently Asked Questions (FAQ) from one of the FTP sites, or by
 using the normal Usenet FAQ archives (e.g. rtfm.mit.edu).  This
 document has plenty of instructions on what to do to get started, what
 files you need, and how to solve most of the common problems (during
 installation or otherwise).

 8.  Legal Status of Linux

 Although Linux is supplied with the complete source code, it is
 copyrighted software, not public domain.  However, it is available for
 free under the GNU General Public License, sometimes referred to as
 the ``copyleft''.  See the GPL for more information.  The programs
 that run under Linux each have their own copyright, although many of
 them use the GPL as well.  X uses the MIT X copyright, and some
 utilities are under the BSD copyright.  In any case, all of the
 software on the FTP site is freely distributable (or else it shouldn't
 be there).

 9.  News About Linux

 A monthly magazine, called Linux Journal, was launched over two years
 ago.  It includes articles intended for almost all skill levels, and
 is intended to be helpful to all Linux users.  One-year subscriptions
 are $22 in the U.S., $27 in Canada and Mexico, and $32 elsewhere,
 payable in US currency.  Subscription inquiries can be sent via email
 to [email protected], or faxed to +1-206-782-7191, or phoned to
 +1-206-782-7733, or mailed to Linux Journal, PO Box 85867, Seattle, WA
 98145-1867 USA.  SSC has a PGP public key available for encrypting
 your mail to protect your credit card number; finger [email protected] to
 get the key.

 There are several Usenet newsgroups for Linux discussion, and also
 several mailing lists.  See the Linux FAQ for more information about
 the mailing lists (you should be able to find the FAQ either in the
 newsgroup or on the FTP sites).

 The newsgroup comp.os.linux.announce is a moderated newsgroup for
 announcements about Linux (new programs, bug fixes, etc).

 The newsgroup comp.os.linux.answers is a moderated newsgroup to which
 the Linux FAQ, HOWTO documents, and other documentation postings are
 made.

 The newsgroup comp.os.linux.admin is an unmoderated newsgroup for
 discussion of administration of Linux systems.

 The newsgroup comp.os.linux.development.system is an unmoderated
 newsgroup specifically for discussion of Linux kernel development.
 The only application development questions that should be discussed
 here are those that are intimately associated with the kernel.  All
 other development questions are probably generic Unix development
 questions and should be directed to a comp.unix group instead, unless
 they are very Linux-specific applications questions, in which case
 they should be directed at comp.os.linux.development.apps.

 The newsgroup comp.os.linux.development.apps is an unmoderated
 newsgroup specifically for discussion of Linux-related applications
 development.  It is not for discussion of where to get applications
 for Linux, nor a discussion forum for those who would like to see
 applications for Linux.

 The newsgroup comp.os.linux.hardware is for Linux-specific hardware
 questions.

 The newsgroup comp.os.linux.networking is for Linux-specific
 networking development and setup questions.

 The newsgroup comp.os.linux.x is for Linux-specific X Windows
 questions.

 The newsgroup comp.os.linux.misc is the replacement for comp.os.linux,
 and is meant for any discussion that doesn't belong elsewhere.

 In general, do not crosspost between the Linux newsgroups.  The only
 crossposting that is appropriate is an occasional posting between one
 unmoderated group and comp.os.linux.announce.  The whole point of
 splitting comp.os.linux into many groups is to reduce traffic in each.
 Those that do not follow this rule will be flamed without mercy...

 Linux is on the web at the URL <http://sunsite.unc.edu/LDP>

 10.  The Future

 After Linux 1.0 was released, work was done on several enhancements.
 Linux 1.2 included disk access speedups, TTY improvements, virtual
 memory enhancements, multiple platform support, quotas, and more.
 Linux 2.0, the current stable version, has even more enhancements,
 including many performance improvements, several new networking
 protocols, one of the fastest TCP/IP implementations in the world, and
 far, far more.  Even higher performance, more networking protocols,
 and more device drivers will be available in Linux 2.2.

 Even with over 3/4 million lines of code in the kernel, there is
 plenty of code left to write, and even more documentation.  Please
 join the [email protected] mailing list if you would like to
 contribute to the documentation. Send mail to
 [email protected] with a single line containing the word
 ``help'' in the body (NOT the subject) of the message.

 11.  This document

 This document is maintained by Michael K. Johnson,
 [email protected]. Please mail me with any comments, no matter how
 small.  I can't do a good job of maintaining this document without
 your help.  A more-or-less current copy of this document can always be
 found at <http://sunsite.unc.edu/LDP>

 12.  Legalese

 Trademarks are owned by their owners.  There is no warranty about the
 information in this document.  Use and distribute at your own risk.
 The content of this document is in the public domain, but please be
 polite and attribute any quotes.


- --- END Linux INFO-SHEET part 1/1 ---

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