Amiga ե륷ƥγ
============================

͡ Amiga ե륷ƥΤ٤Ƥɤ߽񤭤򥵥ݡȤƤ
ǤϤޤ󡣸 Amiga ˤ 6 Υե륷ƥबޤ

DOS\0		Ť⤷ϥꥸʥΥե륷ƥǡºݤˤ
                ϡɥǥǤϤʤ̾ɤȤ뤳Ȥ
		ޤ
		ɤ߽񤭥ݡȤޤ

DOS\1		ꥸʥ Fast File System Ǥɤ߽񤭥ݡȤ
                ޤ

DOS\2		Ť "ݲ" 줿ե륷ƥǤݲΰ̣
                Ȥϡե̾˥ʸ (ݲ
                ʸ) ʸʸζ̤򤷤ʤΤǡΤ褦˥
                Ƥޤɤ߽񤭥ݡȤޤ
                [ιݲ ISO-8859-* ˱褦ΤΤ褦Ǥ]

DOS\3		ֹݲ줿Fast File System Ǥɤ߽񤭥ݡ
                Ȥޤ

DOS\4		ǥ쥯ȥꥭåĥꥸʥΥե륷
                Ǥǥ쥯ȥꥭåϥեåԡΥǥ쥯
		ȥꥢ򤫤ʤ®ޤե
		٤ޤϡɥǥˤϸ̤ޤꤢޤ
		ɤ߽ФѤΥݡȤǤ

DOS\5		ǥ쥯ȥꥭå Fast File System Ǥ
                ߽ФѤΥݡȤǤ

嵭Τ٤ƤΥե륷ƥ 512  32K ХȤΥ֥å
ޤݡȤ֥å 512, 1024, 2048, 4096 ХȤ
礭ʥ֥åϡۤȤɤξ®٤夷ޤǥ
̵̸ޤºݤˤϡ4K ХȤĶ®٤θϡ̵
̻Ȥ椷˾ʤΤǡ4K ХȤĶ֥åȤʤ
Ȥ⡢ꤢޤ

嵭Υե륷ƥ muFS(multi user File System) ΥݡȤ
Ƥޤ

AFFS Υޥȥץ
=========================

protect		Υץ򥻥åȤȡprotection ӥåȤѹ
                Ǥޤ

setuid[=uid]	ϡե륷ƥΤ٤ƤΥե뤪Ӥ٤
                Υǥ쥯ȥνͭԤ uid ⤷ϸߤΥ桼
		uid 򤽤줾ꤷޤ

setgid[=gid]	嵭Ʊͤ gid ˤĤꤷޤ

mode=mode	Υѡߥåˤ餺ꤵ줿 (8 ʤ)
                ͤ˥⡼ɥե饰ꤷޤǥ쥯ȥб r
		ӥåȤåȤƤ硢x ѡߥåղä
		ޤ
                ϡۤȤɤν AmigaOS Υե뤬 600 ˥ޥ
		פΤǡǤ

reserved=num	ѡƥκǽˤͽ֥å num 
                ޤΥץɬפǤϤʤϤǤ
                ͤ 2 Ǥ

root=block	롼ȥ֥åΥ֥åꤷޤɬפǤ
                ʤϤǤ

bs=blksize	֥å blksize ꤷޤͭʥ֥å
                 512, 1024, 2048, 4096 ХȤǤ롼ȥ
		Ʊͤˡaffs ΤȽǤΤǡɬפǤϤ
		ϤǤ

quiet		ե륷ƥϡĤʤ⡼ѹΥ顼ᤷ
                ޤ

verbose		ե륷ƥबޥȤ줿ܥ塼̾ե
                륷ƥॿס֥å syslog ˽񤫤
		

mufs		ºݤΥե륷ƥ muFS Ǥե륷ƥ
                ΤǤ muFS ȼ̤ޤ󡣥ե륷ƥ muFS
		ȤƥեޥåȤʤämuFS ȤƻѤ
		硢ΥץɬפǤ

prefix=path	path AFFS ѡƥΥܥå󥯤
                Хѥ̾ղäޤͤ "/"(ʲ򻲾
                Ƥ)

volume=name	Хѥĥܥå󥯤 AFFS ѡƥ
                ˺줿name ܥ塼̾ȤƻѤ
		ͤ ""(ʸ)(ʲ򻲾ȤƤ)

桼롼פ protection ե饰ΰ
==============================================

Amiga  Linux

Amiga  protection ե饰 RWEDRWEDHSPARWED ϼΤȤ갷ޤ

  - R  user, group, others  r ˥ޥåפޤǥ쥯ȥǤϡR
     x ˤƤޤ

  - W  D ξĤ硢w åȤޤ

  - E  x ˥ޥåפޤ

  - H  P ϾݻޤLinux Ǥ̵뤵ޤ

  - A ϥե˽񤫤Ƥ硢˥ꥻåȤޤ

ޥȥץ setuid  setgid ꤵʤ硢桼 id 
ӥ롼 id ȤޤۤȤɤ Amiga ե륷ƥϥ
桼ƥʤΤǡϥ롼Ȥ˽ͭޤAmiga ե
ƥΥ롼ȥǥ쥯ȥ (ޥȥݥ) ϡºݤ˥ե륷
ƥޥȤ桼˽ͭޤ (롼ȥǥ쥯ȥ uid/gid
ΥեɤäƤޤ)

Linux  Amiga

Linux  rwxrwxrwx ե⡼ɤϼΤȤ갷ޤ

  - r ѡߥå user, group, others  R 򥻥åȤޤ

  - w ѡߥå user, group, others  W  D 򥻥åȤޤ

  - user  x ѡߥå̾Υե E 򥻥åȤޤ

  - ¾Τ٤ƤΥե饰 (suid, sgid ʤ) ̵뤵졢ݻޤ
    
줿ե뤪ӥǥ쥯ȥϡߤΥ桼 桼 ID
ӥ롼 ID ȡumask ˤ⡼ɤͿޤ

ܥå
==================

Amiga  Linux Υե륷ƥϸߤ˻Ƥޤ٤ȤϤ
㤤餫ޤΰĤϥܥå󥯤ˤʤޤ
Linux ϥ롼ȥǥ쥯ȥĤե륷ƥޤ
Amiga Ϥ줾Υե륷ƥ (㤨Сѡƥ󡢥եåԡ
ǥʤ) ʬ䤵줿롼ȥǥ쥯ȥޤAmiga ǡ
Υƥƥ "ܥ塼" ȸƤФޤΥ˻Ѥ
륷ܥå̾äƤޤäơܥå󥯤ϰۤ
ܥ塼ؤȤǤޤAFFS ϥܥ塼̾ǥ쥯ȥ̾
夨ؤ prefix path (prefix ץ򻲾ȤƤ) 
ƻѤޤ

㡧
٤Ƥ Amiga ѡƥ /amiga/<volume>(<volume> ϥܥ塼
̾Ǥ) β˥ޥȤλ˥ޥȥץ
"prefix=/amiga/" Ϳޤ(餬 "User", "WB", "Graphics" ʤ顢
ޥȥݥȤ /amiga/User, /amiga/WB, /amiga/Graphics Ǥ)
"User:sc/include/dos/dos.h" 򻲾Ȥ륷ܥå󥯤
"/amiga/User/sc/include/dos/dos.h" Ȥʤޤ


==

ޥɥ饤
    mount  Archive/Amiga/Workbench3.1.adf /mnt -t affs -o loop,verbose
    mount  /dev/sda3 /Amiga -t affs

/etc/fstab Υȥꡧ
    /dev/sdb5	/amiga/Workbench    affs    noauto,user,exec,verbose 0 0

פ
==========

PC  Amiga Υϡɥǥ³ƤˡWindows 95 (3.x, 98,
NT ˤĤƤΤʤ) ֡Ȥȡ֥å 0 ΥХ 0x00dc 
0x00df ˤߤ񤭤ޤΤǡRigid Disk Block ˤʤޤ
ɤ RDB ̤ѤΰʤΤǡåפʤʤ
ޤ
Linux ϤΤߤ̵뤷ơRDB 򲿤ȤǧޤAmiga ˤΥɥ
֤Ƥ³ˡRDB ƳǼ뤫ʤФʤޤ󡣤
ΤǡWindows ֡Ȥ˥ХååץԡäƤ

Ǥ˥᡼Ƥ硢 RDB ޤ (<disk> 
̾Ǥ)
ʬΥꥹǹԤäƤ

  dd if=/dev/<disk> of=rdb.tmp count=1
  cp rdb.tmp rdb.fixed
  dd if=/dev/zero of=rdb.fixed bs=1 seek=220 count=4
  dd if=rdb.fixed of=/dev/<disk>

Х¡ٹ
================

ήۤƤ褦ˡʤ¿ΤȤưʤ⤷ޤ󡣤
ƤΤȤƥȤƤ櫓ǤϤޤ󤬡ɴ MB ϡ fs 
Ѥɤ߽񤭤ƤޤХκǿΥꥹȤ˴ؤƤϡ
fs/affs/Changes Ĵ٤Ƥ

ե̾Ϸٹ̵ 30 ʸڤͤޤ ( 
include/linux/amigaffs.h ˤ륪ץ AFFS_NO_TRUNCATE 򥳥ѥ
ꤹ뤳Ȥѹ뤳ȤǤޤ)

ե̾ΰפˤʸʸζ̤ϡaffs ǤϤޤ󤬡
Linux Ǥ϶̤ޤ㤨 (/wb  affs ޥȤ fs)
    rm /wb/WRONGCASE
ϡ/mnt/wrongcase ޤ
    rm /wb/WR*
ϡ뤬̾פΤǡޤ

֥åγƤϥϡɥǥѡƥ߷פƤޤ
İʾΥץ ()ǥåȤ˽񤯾硢ˡǳ
ޤ (ʪ AFFS ɤǤƤȤϤޤ)ˡ
ΰ褬ĤƱͤǤ

OFS Υץե 488 ХȤΥ֥åʤΤǡ˥ޥ
פǤ¹Ԥ뤳ȤǤޤƱͳǡ롼ץХåǥХ
𤷤ե륷ƥΤ褦ʥ᡼ޥȤǤޤ

affs ѡƥ󤬥ޥȤƤ˥ƥबå夷
硢롼ȥ֥å bitmap valid flag ϿǤʤʤ뤫⤷ޤ
󡣸Amiga(disk validator) ⤷ϼư (ïˡΤäƤޤ󤫡)
ˤ餺Τ褦ʥե륷ƥˡϤޤ󡣤֤
衦

affs ѡƥ򥷥ƥ൯ư˥ޥȤ硢fs å
ʤ褦 fsck ˻ꤷǤ (/etc/fstab  6 ܤΥե
ɤ '0' 񤭤ޤ)

Amiga եåԡȥȸߴʤΤǡ̾ PC ⤷ϥ
ơǥեåԡǥɤळȤϤǤޤ

Linux  Amiga ߥ졼˶̣С

http://www-users.informatik.rwth-aachen.de/~crux/uae.html


----------------------------------------------------------------------
ܸܹ <hng@ps.ksky.ne.jp>
    ƣ <gotom@debian.or.jp>
