  UMSDOS HOW-TO
  Jacques Gelinas, jacques@solucorp.qc.ca
  v1.1, 13 November 1995

ԡƣ 㡡<sfujii@super.win.or.jp / JCC04050@niftyserve.or.jp>
28 July, 1996
ܸǤ JF-ML ΥݡȤΤȤƣ椬ԤޤλŦ䤴ոʤ
ԤޤǤϢ

  UMSDOS  linux Υե륷ƥǤEXT2 ե륷ƥ
뤳ȤǤޤŪƱѡƥͭ뤳Ȥˤäơ
ñ MS-DOS Υǡȶ¸Ϥ뤳ȤǤʸϡϤˤ
Ǥ Umsdos ˡ⤷ΤȤǱѤˤĤƤ򤷡줬
Ǥ뤳ȤΤäƤ餦ξ󶡤ޤʺǸ UMSDOS-WHY-TO
򸫤Ƥˡ


1.  UMSDOS: ɤˤΤ
1.1.  
Umsdos ץȤ 1992 ǯ˥Ȥ1994 ǯ 1 ˥ѥåηǸ
졢7 ˤ ɸ५ͥ˴ޤޤ褦ˤʤޤ (1.1.36 ʹ)

Slackware ǥȥӥ塼Ǥϡͥ˼ޤᤤ
 Umsdos ѤƤޤ

  Umsdos ϥͥ 1.1.60 ɤϤᡢä˽񤭹ߤˤơΥ
եޥ󥹤ϷŪ˸夷ޤ1.1.70 ʺˤϤޤꤷƤޤ

礭ʥХ Linux 1.2.2 ǲ褵ޤΥХϤϤᤫ桼ò
ͿΤǤʾ˥ե̾ѤäƤޤ줿Τ褦ʤҤ
ݤͿΡˡSlackware 2.2 ˤϥͥ 1.2.1 ĤƤޤΤǡޤ
ΥХޤ


1.2.  Availability
ͥ 1.0.x Ǥϥѥåη󶡤Ƥޤͥ 1.2 ˤȤ߹
Ƥޤ˥ѥ뤷ƤޤȤ⡢⥸塼Ȥɤ߹ळȤ
ǤޤդʤФʤʤΤϡ⤷ umsdos ⥸塼η
߹⤦ȤʤСMS-DOS ե륷ƥ⥸塼Ȥưɬפ
ȤǤϥ⥸塼륷ƥ¤ˤΤǤ(⥸塼Ȥƥ
ȡ뤵줿ˤΤ export 륷ܥ뤬뤿)


1.3.  ݡȤƤǥȥӥ塼
Slackware äȻפޤְ֤äƤǤ礦顢
äƤ[ǥեȤ umsdos ե륷ƥؤ
󥹥ȡ򥵥ݡȤƤ]


1.4.  ۡॵ
Umsdos ΥۡॵȤ sunsite.unc.edu Ǥǥ쥯ȥ
/pub/Linux/system/Filesystems/umsdos 򻲾ȤƤ


1.5.  ʸ
Umsdos ˤĤƤʸϤʤꤽäƤޤ桼ƥƥƱ
 HTML ȥƥȤΥեޥåȤǽǤ

ΤäƤ¤ǤϡHTML С web Ȥ˥饤ηǤ
Ƥޤ󡣥ɤ tar ŸƥɤޤʤƤϤʤޤ



1.6.  ï񤤤ƤΤ
Jacques Gelinas jacques@solucorp.qc.ca



2.  롼ȥѡƥȤƤ Umsdos
2.1.  롼ȤȤǰ
Umsdos ȤСLinux ɸ DOS ѡƥ˥󥹥ȡ뤹뤳Ȥ
ޤLinux ϤΥѡƥǤܤΡʤ뤤ϻܤΡOS Ȥƥ
󥹥ȡ뤵ޤ̾ξͤɤˡʥɥ饤 C:  bin  tmp Ȥ
ǥ쥯ȥ꤬Ǥˤ뤫⤷ޤˡUmsdos ϥޡȤʥȥåȤ
ޤ줬롼ȤǤ

Linux Υե linux Ȥ DOS Υ֥ǥ쥯ȥ˥󥹥ȡ뤵
ޤ̤ C:\LINUX ǤLinux/UNIX Υǥ쥯ȥ깽¤˺
ޤΤᡢΤ褦ʥǥ쥯ȥ깽ˤʤޤ

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 ֡ȤȤˡޤlinux ǥ쥯ȥ򡢤줫 /linux/etc 
ޤ⤷Υǥ쥯ȥ꤬¸ߤС롼ȥ⡼ɤư


  ̵롼ȥ⡼ɤǤϡŪUNIXΥǥ쥯ȥ깽ˤ롼ȥǥ
ȥΤ C:\LINUX֤ޤ

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

ΥꥹȤˡDOS Ȥǥ쥯ȥ꤬äޤϲۥǥ쥯ȥ
Ǥ


2.2.  롼ȤˤĤΤäƤ٤
o Υ⡼ɤϵưˤΤͭǤmount ޥɤǵưˡϤޤ

o Υᥫ˥̤ Umsdos ե륷ƥȤϤޤä̤ΤΤǤ
ޤꡢ롼ȥѡƥȤ̤˻ȤƤѡƥϡޥ
ϤǤޤ롼ȤȤƥޥȤȤϸ̤㤦Ȥ̣Ǥ
[ʸΰ̣狼ʤС5. ܸ ɤǤ]

㤨Сʤƥʥ󥹥եåԡ linux ư̤Υ롼ȥѡ
ƥ /mnt ˥ޥȤȡƤ linux ǥ쥯ȥ /mnt/linux/bin
 /mnt/linux/etc ʤɤ˸ȤȤǤ



3.  Umsdos αѤ˴ؤƤ̤Υȥԥå
3.1.  ޥȥץ
Ms-DOS ե륷ƥФΤƱޥȥץѤ뤳ȤǤ
ޤconv= ץ Umsdos ƥǤȤʤޤΤ򤱤褤
礦Ƥץ

o uid=
o gid=
o umask=

餤ΤΤǤ礦
  Umsdos ǳĥƤʤǥ쥯ȥ˴ؤƤϡMS-DOS ե륷ƥ
Ʊͤ˰ޤΥץϳĥƤʤǥ쥯ȥ̤ˤĤ
ŬѤޤuid ϥǥեȤνͭԤgid ϥǥեȤΥ롼פ
umask ϥǥեȤΥѡߥåꤷޤ


3.2.  롼ȥե륷ƥΥǥեȤꤹ
  롼ȥѡƥ˴ؤǥեȤΥѡߥåꤹ뤿ˤϡ
umssetup ȤޥɤȤޤ¾ Umsdos ѡƥˤĤƤ
mount ץѲǽǡumssetup ǽǤ롼ȥѡƥǤʤ
ѡƥˤĤƤϡ/etc/fstab ˥ޥȥץƤ褤
Ǥ礦򤢤ޤ /etc/rc.d/rc.S Ƥ

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


3.3.  åפ뤿ˡޤϥåפʤ
  åץեѤȡ̤ϥåץѡƥȤ٤
ʤޤʱѤǤ褦ˤʤޤ¾ Linux ե륷ƥƱ
ͤˡUmsdos ѡƥ˥åץե뤳ȤǤޤ㤨
С롼ȥǥ쥯ȥ 8 ᥬХȤΥåץեˤϡʲΤ褦
ˤޤ

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

٥åץեäƤޤС/etc/fstab ˤä뤳ȤǤ


    /swap   swap    swap    default

åץեϥ֡ȤȤͭˤޤ̡/etc/rc.d/rc.S  
"swapon -a" äƤޤˡ



4.  Umsdos ƥ֡Ȥˤ
4.1.  Loadlin
lodlin15.tgz Ȥѥå sunsite.unc.edu  
/pub/Linux/system/Bootutils ˤޤΥ桼ƥƥ Umsdos ƥ
֡ȤˤϤäƤǤ̤ϰʲΤ褦ˤޤ

    DOS ֡Ȥޤ
    C:>loadlinx zimage root=D:
[C ɥ饤֤Τǥ쥯ȥ loadlinx.exe  zimage Ȳꡣ
 loadlin ΥɥȤ򻲾]

ǡzimage ̤Ρʰ̤줿˥ͥ륤᡼ǡñ DOS ɥ饤
Τɤ˥ԡ줿ΤǤD:  Linux 򥤥󥹥ȡ뤷 DOS ɥ饤֤



4.2.  եåԡ
Umsdos ƥ֡ȤΤϡExt2 ƥ֡ȤΤȲѤ
ޤ󡣥ͥ륤᡼ zImage ˡUmsdos Υ롼ȥѡƥ󤬤ɤ
뤫ꤷƤɬפޤ̥ޥ rdev ǤǤޤʲμ
 zImage եåԡ˳Ǽޤ

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

 ⤷줬Ѥ路פʤ顢ưǽ DOS եåԡäưʲΥե
򤽤ƤޤäƤ

o loadlin.exe
o loadlinx.exe
o zimage

ơautoexec.bat ˤΤ褦˵Ҥޤ

    loadlinx zimage rw root=C:


4.3. LILO
Linux θ֡ȥǤ LILO  Umsdos ƥ֡ȤΤ
Ǥޤϼºݤ˷и櫓ǤϤޤ1.1.60 ʹߤǡѤǤ
ϤǤΤäƤ뤳Ȥä᡼򤯤


4.4.  Umsdos ѡƥǥե饰Ȥˤ
ݥԥ顼 DOS ġǥǥե饰ȤǤޤUmsdos 󶡤Ƥ
եˤϰƶϤޤUmsdos  DOS Υե륷ƥʾü
ʤ(ǥ쥯ȥ쥤ȡǥ쥯ȥꥨȥν֡)׵ᤷޤ
ΤäƤ¤ǤϡLinux ǥǥե饰ȤƤġϤޤ



4.5.  Advance tricks
Umsdos  DOS ǥ쥯ȥˤ --linux.--- ˤäΩäƤޤ
äȤ¸򤷤Ƥߤʤ뤫⤷ޤumssync  umssetup ȶ
umsdos_progs ѥåäƤ롢udosctl Ȥ桼ƥƥȤС
--linux.---  DOS ǥ쥯ȥȤ̵طˡꥹȤȤ롢Ȥä
Ūʥǥ쥯ȥԤȤǤޤ



5.  ܸ
5.1. Introduction
Umsdos  Linux Υեľ Ms-DOS ե˳Ƥޤϰ
бǡեƤˤĤޤUmsdos ϥե̾ˤĤ
Τ߼갷ޤ󥯤ǥХեʤɤüեˤĤƤϡޤ
̤ΰ򤷤ޤ

줾Υǥ쥯ȥˡ--linux-.--- Ȥ̾Υե뤬֤ޤ


5.2.  Umsdos  Ms-DOS ե륷ƥξ̸ߴǤ
Umsdos  linux  Ms-DOS ե륷ƥξ̸ߴŪȤΤȤȤ
뤳ȤǤޤȤºݤˤϡǽϤȽ Umsdos ˴ؤƤκ
Ƥ⤤ޤͳ񤤤ƤޤեޥåȤ
 DOS եåԡ򤳤Τ褦˥ޥȤƤߤޤ礦

    mount -t umsdos /dev/fd0 /mnt

ơޤ

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

Τ褦ʷ̤ϤǤ

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

  򸫤ȡLinux  MS-DOS ե륷ƥʾΤȤäƤ
ˤϸʤǤ礦(ºݲäƤʤΤǤ)

???


5.3.  ǥ쥯ȥγĥ
Ǥϲ򤯤ʤǤ͡˥ȥåޤUmsdos ϡ
ĥʤ¤ꡢDOS Υǥ쥯ȥ Ms-DOS ե륷ƥƱˡǰ
Umsdos  Umsdos ǳĥ줿ǽĹե̾ͭԡʤɡˤ¤
줿 DOS ե륷ƥѴ뤿ˡ֥ǥ쥯ȥꤴȤ̤ʥե
ޤΥե Umsdos Υ桼ˤϸޤ󤬡DOS ֡Ȥ
ȸ褦ˤʤޤDOS ѡƥˤΥե (--linux.---) ɬ
װʾˤ餫Τɤˡĥ뤫ɤǤޤĥʤ
СUmsdos  Ms-DOS Ʊ褦˿񤤤ޤ

  ǥ쥯ȥĥƤޤСLinux  Unix Υ桼ˤɽŪˤϴ
´ʤǤޤĥ줿ǥ쥯ȥ˥֥ǥ쥯ȥȡ
ưŪ˳ĥޤ

εǽˤꡢDOS Υѡƥ DOS ʬ Linux ʬȤǤ
뤳ȤǤޤ --linux.--- եϤ餫ζ֡
ǥ쥯ȥꤢ 2kˤѤ뤳Ȥ򤷤ƤͤФʤޤDOS 
礭ʥ饹500 ᥬΥѡƥʤ 16k 礭ˤȤΤǡ
ξ --linux.--- ʤɤȤȤ򤷤ʤСǥǤ
礦


5.4.  ɤΤ褦˳ĥΤ/sbin/umssync
ǥ쥯ȥϡ/sbin/umssync ȤȤǤĤǤĥǤޤĤǤ
ȤǤޤǥ쥯ȥγĥǤϰʲΤ褦ʤȤԤޤ

o  --linux.--- 
o  --linux.--- ȸߤΥǥ쥯ȥȤȤΰабΩ

  /sbin/umssync ϡǤ --linux.--- ¸ߤϡʤϤ
ˡåץǡȤԤޤȴƤ륨ȥDOS å
줿եˤäǤ DOS ǥ쥯ȥˤϤ¸ߤʤ
ʤäեϡ--linux.--- ޤumssync Ȥ̾ϡ줬
--linux.--- 򸵤 DOS ǥ쥯ȥƤȰפȤ餭Ƥޤ


5.5.  /sbin/umssync ֡Ȼ˻Ȥ
⤷ޤʤ顢/etc/rc.d/rc.S κǸ /sbin/umssync Ƥ֤ΤϤǥ
Ǥ¿ΥƥǤϡʲΥޥɤǤޤǤ礦

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

-c ץ umssync ˥ǥ쥯ȥγĥ򤵤ʤץǤ
¸ߤ --linux.--- 򥢥åץǡȤǤ

Υޥɤ DOS åλ Linux ǥ쥯ȥ˥
ͭǤLinux ˤ DOS ˤäƥǥ쥯ȥ꤬ѹ줿ȤΤΨŪ
ˡʤΤǡɬפ˱(ưŪ) umssync ư뤳ȤϽʤΤǤ


5.6.  ĥˤ
DOS Ȥä --linux.--- ƤäȸǤ礦


5.7.  DOS åδ֤˺줿եϤɤʤΤ
DOS ˤäƥե뤬ä줿줿ǥ쥯ȥ umssync ¹Ԥ
ʤȡĤˤ֤Ĥޤ

o ƥ˲뤳Ȥ礭꤬뤳Ȥʤݤ :-)

o DOS ˤäƺ줿ե
  o  Linux ϸʤ
  o (ʤե)Ʊ̾ΥեȤȡե뤬Ǥ¸
  ߤȤ顼åФ롣
  o ΤȤǼºݤ꤬ȴ㤤ƺ𤹤롣ե륷ƥ༫Τˤ
  ڤܤȤϤʤ

o DOS ˤäƺ줿ե򵯤ʤUmsdos ϺǽΥ
ե뤬ʤʤäƤ뤳ȤΤ롣åϤʤ
̤ /var/adm/syslog ˽񤭹ޤˡ


6.  󥹥ȡȥ󥤥󥹥ȡ롢ƤĤΥȥå
Umsdos Υ󥹥ȡ̤ΡExt2 ١ΡLinux ƥ纹ޤ

  礭ʰ㤤ĤǤ


6.1.  롼 /mnt/linux
  󥹥ȡŵŪʼϰʲΤ褦ʤΤǤ

1. fdisk ǥѡƥꤷեޥåȤ롣
2. 롼ȥǥ /mnt ˥ޥȤ
3. ѥå򤹤٤ /mnt ˥ԡ롣

Umsdos Ǥϡstep 1 ɬפޤʺƥեޥåȤʤȤ Umsdos 
ŪǤ͡ˡ

ñˤ٤ƤΥѥå /mnt ˥ԡ Umsdos ƥ򥤥󥹥
뤹뤳ȤǤޤǳΤưޤ DOS Υ롼ȥǥ쥯ȥ
C:\ˤ˰췲Υ֥ǥ쥯ȥΤǡ줬ʤ⤷ޤ
줬롼ȤȤä Umsdos Υ󥹥ȡԤͳǤƤ줬 
Ext2 Υ󥹥ȡ Umsdos ΤȤ礭ʰ㤤Ǥ(롼ȤȤ)
٤ƤΥե /mnt/linux ˥ԡޤ


6.2.  /mnt/linux ν
/mnt/linux ϰŪʥǥ쥯ȥǤϤޤ Linux Ĺե
̾üեʥ󥯡ǥХˤˡǥ쥯ȥγĥ
ԤͤФʤޤ/mnt/linux ĥΤɬפʼϰʲ̤Ǥ

1. mkdir /mnt/linux

2. umssync /mnt/linux

 Ǥ


6.3.  /mnt/linux åȥåפƤ뤫ǧ
  /mnt/linux ΥåȥåפϾΤ褦˴ñʤΤǤ󥹥ȡѥå
ˤϤޤ˴ְäƤΤޤɤΤǤ礦

󥹥ȡκ umssync ץߴޤ
Umsdos  linux 1.1.88ʤϤäȤϻפФޤˤ˥åץǡȤ졢
umssync ηϥСƤʤΤǤLinux ߥ˥ƥκ򤱤뤿
ˡɬפȤߴ٥ȤΤ򤹤٤Ƥ Umsdos ġˤĤ뤳Ȥ
ޤŤСΥġñӽޤ

¿Υǥȥӥ塼󤬥󥹥ȡǥ umssync 桼
ƥƥ򥢥åץǡȤƤʤȻפޤ

  Τ褦ʥ󥹥ȡѥåޤˤ󤢤ΤǤ̤Ȥ
/mnt/linux ĥʤᡢĹե̾ڤΤƤ줿ꡢüե
뤬Ǥʤäꤷޤ

ޤäƤʤȤ뤫ɤ󥹥ȡκǽ˥ƥȤ뤳
ȤǽǤLinux βۥ󥽡Υᥫ˥Τǡ󥹥ȡץ
λ뤳ȤʤԤȤǤޤʲμ¹ԤƤߤƤ


1. Alt-F2 򲡤Alt  F2 Ʊ˲
2. root Ȥƥ󤹤
3. cd /mnt/linux

  κȤ᤯ꤹȼԤޤѥåλǤ
ȤԤʤΤŬǤ礦

4. >TOTO
5. ls -l

 TOTO Ȥʸ̾դΥե뤬Ǥ礦ʸǸ
ʤ顢ϲޤäƤʤȤȤǤumssync Υƥåפ⤦
ټ¹ԤƤߤƤumssync ϲäƤϵޤ

    umssync .

⤷顼åǤʤä顢⤦ TOTO ƥȤäƤߤƤ
⤷ TOTO ɽ줿顢 OK ǤΥ󥹥ȡǲ
Ƥ⡢ñˤۤäƤޤ³ޤ礦

6. Alt-F1 򲡤ƥ󥹥ȡ̤

⤷ƥȤ˼Ԥ顢롼ȥǥȤȤ֤褤ˡ
С umssync 롼ȥǥ뤳ȤˤǤ
礦񤷤ޤ󤬴˲ƯƤ Linux ƥबɬפˤʤ
ñ˥롼ȥեåԡǥޥȤơޤʤ umssync 򿷤
ΤȼؤФ褤ΤǤ


6.4.  롼ȤΥȤ...(Oops releasing pseudo root ...)
  Umsdos Υ󥹥ȡ뤬Ԥˤϡ񤳤δ̯ʥåɽ
Υåϴ̯ʤΤ˸ޤUmsdos ΥХǤϤޤ󡣹ͤ
븶ϼΤȤǤ

o äȤŪʤ

  Slackware Υ󥹥ȡϥ󥹥ȡᤤʳǥåץե
ꤷ褦Ȥ롣Τˡѡƥ(dos ɥ饤)򤹤褦˵
롣ΤȡѡƥޥȤåץեꤹ롣

  Slackware ƥΥ󥹥ȡǤϡ󥹥ȡäŪΥѡƥ
򥻥åȥåפʤФʤʤ DOS ѡƥ /mnt ˥
Ȥ/mnt/linux ǥ쥯ȥĤäƤ umssync ¹Ԥ롣

  ۤȤɤϤǵ롣ۤȤɤΥ桼 "setup target partition"
Υƥåפ˺ƤޤĤΥ󥹥ȡľܹԤäƤޤ/mnt Ǥ
ޥȤƤ뤿ˤθϸᤴƤޤ /mnt/linux 
ʤ(ĥʤ)Ȥ̣롣٤Ƥüեȥ󥯡
Ĺե̾ʤ

o ̵ umssync 桼ƥƥ

  /mnt/linux åȥåפƤʤ̡󥹥ȡ롼ȥǥ
äƤ umssync 桼ƥƥˤäư롣

o umsdos θŤХ 

  Linux 1.2.2  Umsdos ˤϥХ롣ե /etc/init ʤȵ
ȥ⡼ɤưʤinit Ϻ /sbin äƤ롣ͥ
ꤹ뤳ȤǲǤ롣ۤΥХ⥫СƤʤ줬 1.2.2 
褵ƤΤǡΤ

⤷åץ졼ɤǤʤΤʤ顢ʲΤ褦ˤƤ

1. 󥹥ȡǥ֡Ȥ
2. root Ȥƥ󤹤
3. mount -t umsdos /dev/hdXX /mnt
ǡ/dev/hdXX  DOS ѡƥ
4. cd /mnt/linux/etc
5. ln -s ../sbin/init init
6. cd /
7. Ctrl-Alt-Del
8. Umsdos Ω夬


6.5.  Umsdos ƥ򥢥󥤥󥹥ȡ뤹
Umsdos Ȥε롼ȥᥫ˥Τǡγʤ󥤥󥹥ȡ
ޤDOS ֡Ȥlinux ǥ쥯ȥƵŪ˺Ǥ
ǤUmsdos  config.sys ̤ʥɥ饤ФɬפȤޤ󤷡linux ǥ
ȥγ˲̤ΤΤä⤷ޤ


6.6.  Umsdos ƥۤ DOS ɥ饤֤˰ư
 Linux Ǥ DOS ǤǤޤlinux ǥ쥯ȥƵŪ˰
ĤΥɥ饤֤ۤΥɥ饤֤˰ܤǤθ塢֡Ȥμ̡
loadlin ޥɡˤ /etc/fstab եѹɬפǤ礦

Umsdos Ϥɤ DOS ɥ饤֤ˤ֤ȤǤޤC: ɥ饤֤˥󥹥ȡ
ɬפϤʤܤΥϡɥǥɥ饤֤ˤ뤫ɤפǤϤ
ޤ󡣤ˤʤޤ

  ºݡĤΰۤʤäɥ饤֤ Umsdos Υ󥹥ȡ򤷤ƤߤȤ
Ǥޤ


6.7.  50  Umsdos ƥ򥤥󥹥ȡ뤹뤳ȤˤĤ
֤ΤʤȤ˰ Linux ƥ򥤥󥹥ȡ뤹ΤϤɤǤ礦

Umsdos ƥ DOS ƤޤLinux ñ˥󥹥ȡ뤷
ʤ餳ͭǤ礦

ʤΥȤ Umsdos ƥ򥤥󥹥ȡ뤷ꤹ뤳ȤǤޤ
ʤѥå­äƤʤ顢DOS ֡Ȥ linux 
ǥ쥯ȥΤ٤Ƥ DOS Ф˥ԡ뤳ȤǤޤơʤ
̤ DOS ơ˹Ԥͥåȥɥ饤֤ɥ饤֤˥ե
򥳥ԡǤǤ֡ȥץȡLoadlinxˤ
ưǤޤ

Ǿ¤νʥۥ̾IP ɥ쥹ˤ򤹤СïǤñˡʬ Linux 
ƥ򥤥󥹥ȡǤǤ礦

  ʤɼԤϡExt2 ١ΤΤޤɤ Linux ƥǤ⡢Ư
륷ƥ򥳥ԡ뤳Ȥǥ󥹥ȡǤ뤳Ȥ˵դΤޤ

  򤷤Ƥ뤫狼ʤ󥹥ȡˤäơΤʤ˱ե뤬
󥹥ȡ뤵뤳ȤʤΤϡLinux ΰĤǤ


7.  DOS ѡƥ Linux 
Umsdos ϡExt2native  Linux ե륷ƥˤΥ桼ȤȤ
⤷ޤ󡣤褯륷ʥꥪϤΤ褦ʤΤǤ礦

o Linux äƤơ Linux ѡƥ󤬤äѤˤʤäƤ롣

o DOS ѡƥȾʬΤޤޡۤ򤫤֤äƤ롣

o  Ext2 ѡƥζΰ褬ʤʤäƤޤä

o DOS ΤƤƤ⤤ΤᤫͤƤ

  Τ褦ʻUmsdos ǵ޾򤷤ΤȤǤޤDOS ѡƥ 
Linux ѡƥȤƻȤȤǤ⤽ˤä Linux εǽ
¤ȤȤ⤢ޤ󡣤ȤСC: ɥ饤֤ "extra" Ȥ̾
ǥ쥯ȥȤޤ礦ƤΥǥ쥯ȥ̤
Linux ǥ쥯ȥȤѤȤޤƤC:  
/dev/hda1 Ȳꤷޤ

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

¹Ԥˤ root ǤʤФʤޤ

/etc/fstab 򤳤Τ褦ꤹ뤳Ȥǡ /c/extra ǥ쥯ȥ˥
Ǥ褦ˤʤǤ礦


8.  UMSDOS-WHY-TO
Umsdos ƥɤΤ褦ޤϥ󥹥ȡ뤹ΤˤĤƤϽ
ʬȤϸޤ󡣤ۤȤɤοͤ Umsdos ȤȤʤˤĤƤ餫
ɥХƤޤ


8.1.  Umsdos ɸ
Umsdos ɸ Linux Υ󥹥ȡñˤ뤳ȤǤ⤦Ĥɸ
󥤥󥹥ȡñˤ뤳ȤǤΥǥ Linux ڤ¥ʤ뤿
ΤΤǤƥ˿ OS 򥤥󥹥ȡ뤹뤳ȤϤĤǤݤʤ
ǤOS/2 ʤɤϰ췲οǥ쥯ȥ C: Υ롼ȤƤޤ⤷
Τ褦˴ѤǤСconfig.sys  autoexec.bat äƤޤ⤷
ޤ:-(

Umsdos ε롼ȵǽΤƤӤǤʤɤǤޤLinux 
ʤ˥󥤥󥹥ȡǤޤ


8.2.  ïɬפȤƤΤ
  äƤϡɥǥ̤ϡUmsdos ˤä DOS  Linux 
ǥǥڡͭ뤳ȤǽˤʤޤΰոǤ 300M ʲ
ʥǥǤΰոϺǽʤʥѥåΥˤ
ΤǤݥԥ顼ʥɥץåϤ٤Ƥεǽ򤹤 70 ᥬ
٤񤷤Ƥޤޤ

  äƤϡɥǥ̤礭ϡExt2 ե륷ƥ
Linux ѤΥѡƥä⤷ޤExt2  DOS 
Ūʥ饹ʤĤޤ 1kˤȤᡢʥե򤿤
󥹥ȡ뤹Ȥ Umsdos ѡƥϾʥڡ񤷤ޤ



8.3.  ѥեޥ󥹤ˤĤ
Umsdos  Ext2 ӤȡΤ褦ˤʤޤ

o ǥ쥯ȥΰ Ext2 ® Umsdos ŤΥǥ쥯ȥ깽
¤ˤ륪СإåɤǤ롣

o ե륢ɤߡ񤭡ˤ Ext2 ꤪ餯® DOS 
ѤƤ FAT ե륷ƥबñǤ롣

ˤϵȼäƤ뤳Ȥա

  o ĤΥѡƥ 65,000 餤Υե롢ޤϥ饹Ǥ
  롣ΤȤ 500 ᥬХȤΥѡƥ 16k 礭Υ饹Ȥ
  Ȥ̣롣Ѥȡ1 ХȤΥեǤ 16k Υǥ
  ȤäƤޤȤˤʤ롣

  o ٤Ƥϥϡɥǥκǽˤ FAT ˤäƥȥ뤵Ƥ롣DOS 
  ե륷ƥϤΤȤˤŪΤȸ롣

  o եΥե饰ơ򤱤뤿ˡʤUmsdos ƥ
  ̡󥰥桼ΥơȤƻȤ롣ΥǤϡ礷
  ˤϤʤʤޥ桼󥸥ȤƤϡեϥɥ饤ְդ˹
  ꡢե륢Υѥեޥ󥹤ȤƤޤ

o ܥå󥯤̤ΥեȤƳǼ롣⤷Υ󥯤
ĥȡExt2 ٤ Umsdos ¿ΥǥڡȤȴ

