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1994-04-04
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SLS (SOFTLANDING LINUX SYSTEM)
INTRODUCTION
Welcome to release 1.05 of SLS (SoftLanding Linux System) containing
kernel 1.0, libc 4.5.23, gcc 2.5.8 and XFree86 2.0 (2.1 on CD).
Linux is a free 386 unix like operating system similar to System V, and
developed by Linus Torvalds, plus a few hundred big hearted programmers on
the Internet. SLS is produced and GPL copyrighted by Softlanding Software.
You may redistribute SLS, as long as you do include both this file,
and the file COPYING prominently in the distribution. You may not
take credit for the work of others.
SLS is NOT just an image dump of some ones Unix system.
Instead it is a distribution whose primary purposes are:
0) provide an initial installation program (for the queasy).
1) utilities compiled to use minimal disk space.
2) provide a reasonably complete/integrated U*ix system.
3) provide a means to install and uninstall packages.
4) permit partial installations for small disk configs.
5) add a menu driven, extensible system administration.
6) take the hassle out of collecting and setting up a system.
7) give non internet users access to Linux.
8) provide a distribution that can be easily updated.
SLS contains ~600 utilities designed to provide a relatively
complete computer operating system for the sophisticated user. It
includes programs for compression, text processing, communications,
Xwindowing system, program development (Assembler, C, C++, Fortran,
Pascal, Tcl and Perl), mail, spreadsheets, and word-processing. Also
supported are DOS files, a DOS emulator, SCSI, CDROMs, and TCP/IP. A
387 coprocessor is emulated by the kernel if you don't have one. Full
source code for the kernel is also provided with SLS.
The development environment includes libraries for unix and Xwindows, a
debugger that does full screen (via emacs) with support for core dumps.
Shared libraries make the most miserly use of RAM and disk space. FAQ and
Manual pages document most of the Linux utilities. SLS requires at least
12 Meg of disk for the minimal install. 90 Meg or more is required for the
full system (not including TeX or Interviews). You will need at least 2
Meg of RAM, 4 meg if you want to compile programs, and 8 Meg to run
Xwindows. Note that sometimes you can get by with less, but usually with
noticeable performance limitations.
----------------------------------------------------------------------------
INSTALLATION
Before you can install Linux on your hard drive, you must partition your
drive, and put a file system on it. Roughly, this entails:
- Write protect all disks (do or die).
- Boot Linux from disk a1
- For special install (eg: a mitsumi drive) hit ALT at LILO prompt
- Log in as "install" for a menu driven install
or if you like, you can do a manual install by logging in as root and
- Create a Linux/Minix partition with "fdisk" on your hard drive and reboot.
- Make a file system on the partition with "mke2fs".
- Use "doinstall /dev/PART": PART is your partition (eg "doinstall /dev/hda2"
or "doinstall /dev/hda2 /dev/hda3 /usr /dev/hdb1 /usr/spool" if you wish to
have multiple partitions, with say /usr on a different partition.
Also "doinstall" will execute the script "doinst.sh" if it is found on PART.
The final step will ask you to put a formatted floppy in the drive so the
BOOT DISK can be prepared for you. Have one ready ahead of time. When the
installation is complete, and you reboot from this floppy, you will be using
Linux from your hard drive. Later, you may wish to play with /usr/src/lilo
to boot from your harddrive. Note that if you have less than 4 Meg of RAM,
you will likely not have enought memory to do the installation. But you can
try to make and activate a 4 Meg swap partition, prior to installation.
For example, using /dev/hda3 for swap: "mkswap /dev/hda3 4096; swapon /dev/hda3"
Before you begin, however, you may wish to type "menu" and browse the
Instructions sub menu. But make sure you exit "menu" before you start the
install process. You can also print files from there using "P", or you can
use "cat README > /dev/lp1" or "cat README > /dev/lp2".
Your first task after the base install is done, should be to make backup
copies of all of your disks (Look in the "User Commands" menu). In fact,
you should make sure all disks (except a1) are write protected before you start
the installation. After the install, you can log on as "root". Note the new
Extended FS type 2, it is now the recommended file system to use, although
the old minix fs can be used and is still the default.
----------------------------------------------------------------------------
EXAMPLE PARTITIONING PROCEDURE
... Put disk a1 in drive A: and reboot computer,
/# fdisk
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 2
First cylinder (500-977): 500
Last cylinder or +size or +sizeM or +sizeK (500-977): 977
Command (m for help): t
Partition number (1-4): 1
Hex code (type L to list codes): 81
Command (m for help): v
Command (m for help): p
Disk /dev/hda: 5 heads, 17 sectors, 977 cylinders
Units = cylinders of 85 * 512 bytes
Device Boot Begin Start End Blocks Id System
/dev/hda1 1 1 499 20000 4 DOS
/dev/hda2 1 1 7 30000 81 Linux/MINIX
Command (m for help): w
reboot now before doing anything else
/#
...<after the reboot>
/# mke2fs /dev/hda2 30000
/# doinstall /dev/hda2
... Follow prompts, and insert disks as requested, then login as root.
----------------------------------------------------------------------------
ADDITIONAL SLS INFORMATION
SLS is a binary mostly distribution (except for the kernel), and is broken
into multiple parts, or series, each of which is denoted by a letter followed
by the disk number as follows:
a1-aN: The minimal base system
b1-bN: Base system extras, like man pages, emacs etc.
c1-cN: The compiler(s), gcc/g++/p2c/f2c
x1-xN: The X-windows distribution (+Tcl and Tk)
t1-tN: TeX (document processing)
s1-sN: Source code for critical system components
d1-dN: Documentation for various things
This scheme allows new disks to be added to the distribution without
changing the disk numbering. Also, the sysinstall program doesn't have to
be changed when new disks are added as the last disk is marked by the
presence of the file "install.end". And when interviews is added, say as
a new series "t", it can be installed with:
sysinstall -series t
Highlights of the base are: gcc/g++, emacs, kermit, elm/mail/uucp, gdb, sc
(spreadsheet), man pages, groff, elvis, zip/zoo/lh and menu. Highlights of
X are: X, programmers libs, 75 dpi fonts, games (spider, tetris, xvier,
chess, othello, xeyes, etc) and utilities like xmag, xmenu, xcolormap and
ghostscript. Approximate usage is as follows:
Tiny base system: 15 Meg (Series 'a')
Main base system: 45 Meg (Series 'a', 'b' and 'c')
Main base system + X11: 70 Meg (Series 'a', 'b', 'c' and 'x')
Full system: 90 Meg (Series 'a', 'b', 'c', 'd', 's', 't' and 'x')
----------------------------------------------------------------------------
LINUX SPECIFIC INFORMATION
Linux supports multiple VC's (virtual consoles). You can switch from one
to the other using the "LEFT-ALT-FN" keys. The right ALT key will not work.
The console in linux more or less emulates a VT100. So you can usually
just use kermit to do your remote logins (even while doing the install :-).
If you have a color monitor, you can even use color using the "setterm"
utility, or just execute the "/etc/startcons" script to have all VC's set
to default values. If your screen gets garbled, you can use "reset".
Up arrow recalls previous commands. Use the "man" command to read the
Linux manual pages, and the "man -k X" to list commands with the keyword
"X" in the command description. The system editor is "vi" but you might
find "joe" easier to learn.
Never just power off your Linux system. Instead type "sync", w