  UMSDOS HOW-TO

  Jacques Gelinas, jacques@solucorp.qc.ca <mailto:jacques@solu
  corp.qc.ca>
  v1.1, 13 November 1995
   (nsh@asp-linux.co.kr <mailto:nsh@asp-linux.co.kr>)
  v1.1 2000 7 29

  UMSDOS  linux  ý̴. EXT2  ý ſ ̿  
  ִ. ִ   Ƽ  Ͽ,  ϰ MS-DOS
    ϴ ̴.  , ó  
  Umsdos ̿ ϰ,  ڿ 뿡   ϰ, װ
     ˷ ֱ   Ѵ. (  UMSDOS-WHY-
  TO   ּ).
  ______________________________________________________________________

  

  1. UMSDOS:  ִ°?
     1.1 
     1.2 Availability
     1.3 ϰ ִ 
     1.4 ȨƮ
     1.5  
     1.6   ִ°

  2. ROOT Partitionμ  Umsdos
     2.1 pseudo-root 
     2.2 Pseudo-root ؼ ˾ ξ Ұ

  3. Umsdos  ۿ  ٸ 
     3.1 Ʈ ɼ
     3.2 Ʈ  ý Ʈ ϱ
     3.3  ϰų, Ǵ  ʱ Ͽ

  4. Umsdos ý  
     4.1 Loadlin
     4.2 floppyκ
     4.3 LILO
     4.4 Umsdos Ƽ defragmentϴ 
     4.5 Advance tricks
     4.6 ⺻ 
     4.7 Introduction
     4.8 Umsdos  can replace the Ms-DOS  file-system.
     4.9 丮 Ȯ
     4.10  Ȯϴ° :/sbin/umssync
     4.11 /sbin/umssync ýÿ ϱ
     4.12 UN-promote 
     4.13 DOS ǻ̿    Ǵ°?

  5. Installation/UN-installation ׸  Ʈ
     5.1 pseudo-root /mnt/linux
     5.2 /mnt/linux  غ
     5.3 /mnt/linux Ȯϰ ¾Ǵ Ȯ

  6. ġ ũ ư Ͽ Alt-F1 ʽÿ.
     6.1 Oops releasing pseudo root ...
     6.2 Umsdos ý un-installϴ 
     6.3 Umsdos ý ٸ DOS ̺ ̵Ѵ.
     6.4 50 뿡 Umsdos ý νϴ Ϳ ؼ

  7. DOS Ƽǿ Linux  ۼϱ
  8. UMSDOS-WHY-TO
     8.1 Umsdos ǥ
     8.2 8.2.   ʿ ϰ ִ°
     8.3 ɿ ؼ

  ______________________________________________________________________

  1.  UMSDOS:  ִ°?

  1.1.  

  Umsdos Ʈ 1992⿡ ϰ, 1994 1 ޿ ġ ·
   ǰ, 7 ޿ ǥ Ŀڿ Եǰ Ǿ (1.1.36  ).

  Slackware ,  Ŀڿ ȮǾ   ñ
  Umsdos  äǰ ־ϴ.

  Umsdos  Ŀ 1.1.60 κ ϱ , Ư μ,  
   ߴ. 1.1.70 ƺʹ Ǿִ.  ߿ װ
  Linux 1.2.2 ذǾ.  ״ óκ ڿ ظ
  ġ ̾ ( ϸ ٲ ,   
  ȿ ִ ). Slackware 2.2  Ŀ 1.2.1  ԵǾ ,
    װ ִ.

  1.2.  Availability

  Ŀ 1.0.x  ġ ·  ǰ , Ŀ 1.2
  ̴.  װ   Ҽ, μ    ִ.
  ⼭    Ǵ ,  umsdos   ·
  ȴٸ, MS-DOS  ý۵ μ  ʿ䰡  ̴.
  ̰  ý   ̴(μ νǾ 
  export Ǵ ɺ Ƿ).

  1.3.  ϰ ִ 

  Slackware ̶ Ѵ. Ƹ Ʋ Ƿ, ̰  Ҽ
  ִ    ּ. [ : Ʈ umsdos  ýۿ
  ν ϰ ִ ]

  1.4.  ȨƮ

  Umsdos  Ȩ Ʈ sunsite.unc.edu <http://sunsite.unc.edu> ̴.
  丮 /pub/Linux/system/Filesystems/umsdos   ٶ.

  1.5.   

  Umsdos ο    ߾ ִ.  װ HTMLӸ ƴ϶
  ƿƼ ̼ǿ ؽƮ ˿  ϴ.

   ˰ ִ , HTML  web Ʈ ¶ ¿ 
  ϰ ʴ. ٿ εؼ tar Ǯ ÿ о߸ Ѵ.

  1.6.    ִ°

  Jacques Gelinas jacques@solucorp.qc.ca <mailto:jacques@solucorp.qc.ca>

  2.  ROOT Partitionμ  Umsdos

  2.1.  pseudo-root 

  Umsdos ϸ, Linux  ǥ DOS Ƽǿ νϴ 
  ϴ.  Linux   Ƽǿ ι° (Ȥ °)OSμ
  ν ȴ.  ̸ 浹  ؼ (̺ C:  bin  tmp
  Ͱ 丮 ̹  𸥴), Umsdos Ʈ Ʈ
  Ѵ.  ̰ Pseudo-root ̴.

  Linux    linux  ϴ DOS   丮 ν
  Ǿ.   C:\LINUX ̴. Linux/UNIX   丮 
  ⿡ .   , Ʒ 丮  ȴ.

  o  C:\LINUX\BIN

  o  C:\LINUX\ETC

  o  C:\LINUX\LIB

  o  C:\LINUX\ROOT

  o  C:\LINUX\SBIN

  o  C:\LINUX\TMP

  o  C:\LINUX\USR

  o  C:\LINUX\VAR

  Umsdos   ,  linux 丮, ׸  /linux/etc 
  ˻ Ѵ.   丮 ϸ, pseudo-root 带 ⵿Ѵ.

   pseudo-root 忡, Ϲ UNIX 丮  ־
  Ʈ  丮 յǰ C:\LINUX ġ Ѵ.

    /bin
    /etc
    /lib
    /root
    /sbin
    /tmp
    /usr
    /var

   Ʈ, DOS  ϴ 丮 ϴ. ̰ 
  丮̴.

  2.2.  Pseudo-root ؼ ˾ ξ Ұ

  o    ⵿ÿ ȿϴ. mount Ŀ ⵿ϴ  .

  o   ī   Umsdos  ý۰  ٸ ̴.
     Ƹ, Ʈ Ƽμ  ǰ ִ Ƽ, Ʈ
     , pseudo-root Ʈ ʹ ȿ ٸٴ
     ǹ̴.  [ :  ǹ̰ ص , 5. ⺻ 
     б ٶ.]

      ,  Ƽͽ floppyκ linux  ⵿ 
     Ʈ Ƽ /mnt Ʈϸ,   linux 丮
     /mnt/linux/bin  /mnt/linux/etc  δٶ ̴.

  3.  Umsdos  ۿ  ٸ 

  3.1.  Ʈ ɼ

  Ms-DOS  ýۿ  Ʈ ɼ ̿ϴ  ϴ.
  conv= ɼ Umsdos ýۿ  Ǳ  ϴ  .
   ̴ ɼ

  o  uid=

  o  gid=

  o  umask=

   ̴.  Umsdos Ȯǰ   丮 ؼ, MS-
  DOS  ý۰  ϰ ޵Ǿ.  ɼ Ȯǰ
    丮 ݿ  ˴ϴ. uid  Ʈ ڸ,
  gid  Ʈ ׷, umask  Ʈ ۹̼  մϴ

  3.2.  Ʈ  ý Ʈ ϱ

  Ʈ Ƽǿ  Ʈ ۹̼ ϱ ؼ, umssetup 
  Ŀ带 Ѵ. Ÿ Umsdos Ƽǿ ؼ mount ɼ
  ̿밡ϰ, umssetup  ϴ. ƮƼ ƴ Ƽǿ
  ؼ, /etc/fstab  Ʈ ɼǿ ϴ  .   .
  ̰ /etc/rc.d/rc.S  Ѵ.

        /sbin/umssetup -u jack -g group -m 0755 /

  3.3.   ϰų, Ǵ  ʱ Ͽ

   ̿ϸ,  Ƽ   ʾ,
      ְ ȴ. ٸ  Linux  ý۰ 
   Umsdos Ƽǳ    ִ.  , Ʈ
  丮 8ް Ʈ   ؼ, ƷͰ Ѵ.

        dd if=/dev/zero bs=1024k count=8 of=/swap
        mkswap /swap 8192
        sync
        swapon /swap

     , /etc/fstab  ̰ ߰Ҽ ִ.

        /swap   swap    swap    default

   ýø ȿϰ ȴ (, /etc/rc.d/rc.S  "swapon
  -a"  ִ. ).

  4.  Umsdos ý  

  4.1.  Loadlin

  lodlin15.tgz  Ű sunsite.unc.edu <http://sunsite.unc.edu> 
  /pub/Linux/system/Bootutils  ִ.  ƿƼ Umsdos ý 
  ϱ⿡ ϴ.  Ʒ .

  DOS Ѵ.  C:>loadlinx zimage root=D: [ :C ̺갡 ִ
  丮 loadlinx.exe  zimage  ִٰ . Ѱ loadlin
   ]

  ⼭, zimage    () Ŀ ̹μ, ܼ DOS ̺
   򰡿  ̴. D: Linux ν DOS ̴̺.

  4.2.  floppyκ

  Umsdos ý ϴ , Ext2 ý ϴ Ͱ 
  ȭ .  Ŀ ̹ zImage , Umsdos  Ʈ Ƽ 
  ִ   ʿ䰡 ִ.  ̰  Ŀ rdev   ִ.
    zImage ʱȭ floppy ִ´.

        rdev zImage /dev/hda1
        rdev -R zImage 0
        dd if=zImage bs=8192 of=/dev/fd0

   ̰ ŷӰ Ǿٸ, ⵿ DOS floppy 
    װ ־ д.

  o  loadlin.exe

  o  loadlinx.exe

  o  zimage

     ׸, autoexec.bat  ̿  ԷѴ.

           loadlinx zimage rw root=C:

  4.3.  LILO

  Linux  Ʈ δ LILO Umsdos ý ϴµ ̿  
  ִ. ׷     ƴϴ. 1.1.60 Ŀ, ̿
  ϴ.  ΰ˰ ִ    ٶ.

  4.4.  Umsdos Ƽ defragmentϴ 

  αִ DOS  defragment  ִ. Umsdos ǰ ִ
  Ͽ   . Umsdos DOS  ý 󿡼 Ư 
  (丮 ̾ƿ, 丮 Ʈ , ) 䱸 ʴ´.  
  ˰ ִ , Linux 󿡼 defragment ִ  .

  4.5.  Advance tricks

  Umsdos DOS 丮 ִ --linux.---    Ǿִ.
       Ͱ  𸥴. umssync  umssetup
   umsdos_progs Ű  ִ, udosctl  ƿƼ
  ϸ, --linux.---  DOS 丮ʹ ϰ, listing, ϴ
    丮    ִ.

  4.6.  ⺻ 

  4.7.  Introduction

  Umsdos Linux   Ms-DOS Ͽ ҴѴ. ̰ ϴ
  μ,    ۵ ʴ´. Umsdos ϸ
  ؼ  Ѵ. ũ ġ ϵ Ư Ͽ ؼ ޸ 
  Ѵ.

   丮, --linux-.---   ġѴ.

  4.8.  Umsdos  can replace the Ms-DOS  file-system.

  Umsdos linux Ms-DOS  ý  ȣȯ    
   ִ. ׷ δ,  ɷ°  Umsdos  ȥ
   Ű ִ. ⿡  ִ. Ӱ ϴ DOS floppy
  ̿  Ʈ .

        mount -t umsdos /dev/fd0 /mnt

     ׸, ̷ Ѵ.

        ls / > /mnt/LONGFILENAME
        ls -l /mnt

     ̰  .

        -rwxr-xr-x   1 root     root          302 Apr 14 23:25 longfile

   , Linux MS-DOS  ý ̻  ϰ ִ ó
   (ƹ͵ ϰ  ʱ  ).

  ???

  4.9.  丮 Ȯ

   ƹ ̲ . ⿡ Ʈ ִ. Umsdos, Ȯ
   ʴ , DOS 丮 Ms-DOS  ý۰  
  Ѵ.  Umsdos Umsdos Ȯ ( ϸ, , )
  ѵ DOS  ý ȯϱ ؼ,  丮 Ư
   .   Umsdos ڿԴ  , DOS
  ϸ ̴°Ͱ  ȴ. DOS Ƽǿ   (--linux.---) 
  ̻ Ʈ   ؼ, ȮҰ   ִ.
  Ȯ ʴ´ٸ , Umsdos Ms-DOS   ൿѴ.
  丮 Ȯϸ, Linux  Unix ڿ ǥδ ϰ
     ִ. Ȯ 丮  丮 , 
   Ȯȴ.

   ɿ , DOS Ƽ DOS κа Linux κ 
    ִ. ̰͵ --linux.---  ټ (
  丮 Ͽ 2k) ̿ϴ   ؾѴ. DOS  ū
  Ŭ(500 ް Ƽ̶ 16kũ) ϹǷ,  ҿ
  --linux.---   , ũ   ִ.

  4.10.   Ȯϴ° :/sbin/umssync

  丮, /sbin/umssync ؼ  Ȯ  ִ. 
  밡ϴ.  丮 Ȯ忡 ƷͰ  .

  o  --linux.---  

  o  --linux.---   丮  ϴ  Ȯϱ

  /sbin/umssync, ̹  --linux.---  ϴ , װ
  ʰ,  Ʈ Ѵ.    ִ Ʈ(DOS ǿ
   ) ߰ϴ ͻ̴.  DOS 丮  
  ʰ  , --linux.--- κ ˴ϴ. umssync  ̸,
  װ --linux.---   DOS 丮  ġŰ κ
  ִ.

  4.11.  /sbin/umssync ýÿ ϱ

   ű⿡ , /etc/rc.d/rc.S  /sbin/umssync ȣϴ
    ̵ ̴.  ýۿ,  Ŀ ϴ.

        /sbin/umssync -r99 -c -i+ /

  -c ɼ umssync 丮 Ȯ Ű ʴ ɼ̴.  
  ϴ --linux.---   Ʈϴ ͻ̴.

   Ŀ DOS   Linux 丮  쿡 ȿϴ.
  Linux  DOS   丮   ˾Ƴ ȿ 
   , ʿ信  (ڵ) umssync ⵿ϴ   
  .

  4.12.  UN-promote 

  DOS  --linux.---   Ͻÿ. ݵ ȸ Ұ̴.

  4.13.  DOS ǻ̿    Ǵ°?

  DOS    ų  丮 umssync 
  ,   εģ.

  o  ý ıϴ ͵ ū  Ͼ ͵ , 
     ̴ :-)

  o  DOS   

  o  ̰͵ Linux   ʴ´.

  o  ( ʴ ϰ) ̸   ϸ,  ̹
      Ѵٰ ϴ  ޼ ´.

  o        ȥ.  ý
     ü ظ ġ ʴ´.

  o  DOS     Ű ʴ. Umsdos 
     μ   ִ  Ѵ. ޼
     µɰ̴ (׸  /var/adm/syslog  ).

  5.  Installation/UN-installation ׸  Ʈ

  Umsdos ν   (Ext2 ⺻)Linux ý۰ ٸ ʴ.

  ū ̴ ΰԴϴ.

  5.1.  pseudo-root /mnt/linux

  ν   ƷͰ.

  1. fdisk Ƽ ϰ Ѵ.

  2. Ʈ ũ /mnt ƮѴ.

  3. Ű   /mnt Ѵ.

     Umsdos , step 1 ʿ . ( ʴ  Umsdos
     ̴ ).

  ܼ  Ű /mnt ϴ ͸ Umsdos ý
  νҼ ִ.  ̰ Ȯ Ѵ. ׷  DOS Ʈ 丮
  (C:\)    丮  , װ  
   ִ.  װ pseudo-root  Umsdos ν ϴ
  ̴. ׸ ̰ Ext2 ν Umsdos װͰ ū ̴
  :(pseudo-root ϸ)   /mnt/linux  ȴ.

  5.2.  /mnt/linux  غ

  /mnt/linux  Ϲ 丮 ƴϴ.  Linux   ̸ Ư
  (ũ, ̽) Ȯϰ ϱ ؼ, 丮 Ȯ ؾ߸
  Ѵ. /mnt/linux Ȯϴµ ʿ  Ʒ .

  1. mkdir /mnt/linux

  2. umssync /mnt/linux

      ̴!

  5.3.  /mnt/linux Ȯϰ ¾Ǵ Ȯ

  /mnt/linux ¾ Ͱ , ν Ű ߿ 
  ߸Ȱ ִ.  ؾϳ?.

  ν ִ  umssync α׷ ȣȯκ ߻Ѵ.
  Umsdos linux 1.1.88(Ȯϰ  Ѵ)  Ʈǰ,
  umssync  ȴ. Linux community ȥ ϱ ؼ,
  ʿ  ȣȯ   Umsdos  ߴ ߽ϴ. 
    ܼ Ǿ.

  ̰   ν ũ umssync  ƼƼ 
  Ʈϰ  ʱ ̶ Ѵ.

  ̷ ν Ű   ϴ ̴. 
  /mnt/linux  Ȯ ʱ ,  ϸ ߷ ų,
  Ư  ۼ   ȴ.

    ߸Ǿ ߰ϱϿ , ν ʱ⿡ ׽Ʈϴ
  ͵ ϴ. Linux  ܼ ī , ν  ׷
  ϴ Ͼ ̰   ִ.   ϶.

  1. Alt-F2  (Alt Ű F2 Ű ÿ )

  2. root αѴ

  3. cd /mnt/linux

      ۾  ϸ,  Ѵ. Ű   
      ۾ ϴ  ϴ.

  4. >TOTO

  5. ls -l

     TOTO  빮 ̸    ִ. ҹڷ δٸ,
     װ ΰ ߸ ̴. umssync ܰ踦 ѹ  Ͻÿ.
     umssync   ݺص  Ͼ ʴ´.

  umssync .

    ޼ ٸ, ٽ ѹ TOTO ׽Ʈ  ÿ.  
  TOTO ùٸ ǥõǸ,  OK ̴.  ν翡 ΰ
  ̻ص,  ϰ Ѵ.

  6.  ġ ũ ư Ͽ Alt-F1 ʽÿ.

   ׽Ʈ ϸ, ο Ʈ ũ ϴ   
  ذ ̴.  ο  umssync Ʈ ũ ġ ϴ 
  ذ  ִ.  ̰  , ̹ ϰ ִ Linux
  ý ʿϰ ȴ.  ܼ Ʈ floppy disk Ʈϰ,
  umssync ο  ٲپ߸ Ѵ.

  6.1.  Oops releasing pseudo root ...

  Umsdos ν е , ü ̰  ޼
  ǥõȴ.   ޼ ̻ , Umsdos װ ƴϴ.
  ˷   ϴ.

  o   Ϲ 

     Slackware installer ν ȿ ſ ̸ ܰ迡 
     Ϸ õѴ.  , Ƽ(dos ̺) ϵ
     䱸Ѵ.   , Ƽ Ʈϰ,  Ѵ.

     Slackware ý ν翡, ν   Ƽ
     ¾   ȴ.  DOS Ƽ /mnt Ʈϰ,
     /mnt/linux 丮  ű⿡ umssync  Ѵ.

     κ  ⼭ Ͼ. κ ڴ "setup target
     partition"   ؾ ,  ν翡 
     Ѵ. /mnt ̹ ƮǾ ֱ   ߸ 
     . ̰ /mnt/linux Ȯϰ  ʴ(Ȯ
     ʴ) ǹѴ.  Ư ϰ ũ, ׸  ϸ
     ˸° ɼ .

  o  ġ umssync ƿƼ

     /mnt/linux ٸ ¾ǰ  ʴ. , ν Ʈ ũ
      ִ umssync ƿƼ  ߻Ѵ.

  o  umsdos  

     Linux 1.2.2  Umsdos װ ִ.  /etc/init 
     pseudo-root 尡 ǰ ⵿ ʴ. init  /sbin
     ǰ ִ. ο Ŀ  ԼϿ ذ  ִ. ٸ ׵
     ĿǾ  ʾ, װ 1.2.2  ذǰ Ƿ, ̷
     ϴ   ̴.

      upgraded   ̶, ƷͰ .

  1. ν ũκ Ѵ.

  2. rootμ αѴ

  3. mount -t umsdos /dev/hdXX /mnt ⼭, /dev/hdXX DOS Ƽ

  4. cd /mnt/linux/etc

  5. ln -s ../sbin/init init

  6. cd /

  7. Ctrl-Alt-Del

  8.  Umsdos Ѵ.

  6.2.  Umsdos ý un-installϴ 

  Umsdos  pseudo-root ī , ƹ  un-
  installѴ.  DOS ϰ, linux 丮  ϴ
  ͻ̴.  Umsdos config.sys Ư ġ ʿ  ʰ, linux
  丮 ̿ܿ ΰ Ư  ų ʴ´.

  6.3.  Umsdos ý ٸ DOS ̺ ̵Ѵ.

  ̰ Linux DOS ϴ. linux 丮 
  Ѱ ̺κ ٸ ̺ ű ͻ̴.  , Ʈ
  (, loadlin Ŀ) /etc/fstab   ʿ䰡 ִ.

  Umsdos  DOS ̺꿡 ġ  ִ. C: ̺꿡 ν 
  ʿ , ù° ϵ ũ ̺꿡  ִ  ߿
  ʴ.  ̰    ʴ´.

  ǻ,  δٸ ̺꿡 Umsdos ν   踶
  ϴ.

  6.4.  50 뿡 Umsdos ý νϴ Ϳ ؼ

  ð     Linux ý νϴ  ?

  Umsdos ý DOS о߿ ִ. Linux ϰ ν
  ߴٸ ̰ ϴ.

   Ʈ Umsdos ý νϰ,   ִ.  
   Ű   Ѵٸ, DOS  linux 丮
  θ DOS     ִ. ׸,  ٸ DOS ̼ǿ
  , Ʈũ ̺κ  ̺꿡  ϴ
  ͻ̴. ̰ͻ̴. boot script (Loadlinx)    ִ.

  ּ (ȣƮ, IP 巹) ϸ,  ϰ,
  и Linux ý ν  ִ.

   ڴ, Ext2 ⺻ ͵ ϴ  Linux ýۿ,
  ϰ ִ ý ϴ  ν  ִ 
  ޾ ˼ .

   ϰ ִ 𸣴 installer ؼ,  ϴ ̿
    ν ʴ , Linux  ѳ̴.

  7.  DOS Ƽǿ Linux  ۼϱ

  Umsdos,  Ext2(native Linux  ý) ڵ 
   Ѵ.  ϳ  ó ̷ ̴

  o  Linux  ,   Linux Ƽ  ä.

  o  DOS Ƽ  ,  ϰ ִ.

  o   Ext2 Ƽ    ȴ.

  o  DOS    Ѵ.

     ̷ , Umsdos ⸦ غ   ִ. DOS Ƽ Linux
     Ƽμ   ְ, Դٰ װͿ   Linux  
     ѵȴ ͵ .  , C: ̺꿡 "extra"  ̸
     ο 丮 ۼϰ ʹٰ . ׸  丮 
     Linux 丮μ ̿ϰ ʹٰ սô. ó Ͻÿ. (C: 
     /dev/hda1  .)

        mkdir /c
        /sbin/mount -t umsdos /dev/hda1 /c
        mkdir /c/extra
        umssync /c/extra

  ̰ ϱ ؼ root ƴϸ  ȴ.

  /etc/fstab ̿  ϴ , ׻ /c/extra 丮 
    ְ ȴ.

  8.  UMSDOS-WHY-TO

  Umsdos ý  ۶Ǵ νϴ   
  ϴ.  κ  Umsdos  ؼ ټ
  ̽ 䱸Ѵ.

  8.1.  Umsdos ǥ

  Umsdos ǥ Linux ν ϰ ϴ ̴.  ϳ
  ǥ un-install ϰ ϴ ̴.  ̵ Linux 
  ϴ ̴. ýۿ ο OS νϴ   
  ̴.  OS/2    ο 丮  C: Ʈ
  Ʈ.  Ͱ   ִٸ, config.sys  autoexec.bat
     𸥴. :-(

  Umsdos pseudo-root    ħ  ִ. Linux ۿ
   un-install  ִ.

  8.2.  8.2.   ʿ ϰ ִ°

   ִ ϵ ũ 뷮  , Umsdos  DOS 
  Linux  ũ ̽ ϴ  ϰ ȴ. 
  ǰδ 300M ϰ  ũ̴.  ǰ  Լ
   Ű  Ѱ̴.     μ
    ϸ 70 ްƮ  Һ .

   ִ ϵ ũ 뷮 ū , Ext2  ýۻ Linux
   Ƽ    𸥴. Ext2 DOS ٴ 
   Ŭ ũ(  1k) ϱ ,   
  install  Umsdos ƼǺ  ̽ Һ ʴ´.

  8.3.  ɿ ؼ

  Umsdos  Ext2 ϸ,  .

  o  丮  Ext2  . ̰ Umsdos 
     丮   尡 ̴.

  o   ＼(а, ) Ext2  ¼  ̴. ̰
     DOS äǰ ִ FAT  ý ܼϱ ̴.

        ϰ ִ Ϳ  :

  o  Ѱ Ƽǿ 65,000  , Ǵ ŬͰ ̴ִ.
     ̰ 500 ްƮ Ƽ 16k ũ Ŭ͸ ϴ
      ǹѴ.  ٲٸ, 1 Ʈ Ͽ 16k ũ 뷮
         ȴ.

  o  ü ϵ ũ ʱ⿡ ִ FAT  Ʈѵǰ ִ. DOS 
     ý ̰Ϳ     ̶   ִ.

  o   fragmentation   . Umsdos ý , ̱
      ũ̼μ ȴ.  쿡, ū  
     ʴ´. multi-user ,  ̺  ֺ  ,
        ߸.

  o  Symbolic link ǥ Ͽ ȴ.   ũ ٷ,
     Ext2   Umsdos ſ  ũ ̽ Ѵٰ 
     ̴.

