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ãããã¯ãèµ·ãããŠã·ã¹ãã ã忢ãã)
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fat ãã¡ã€ã«ã·ã¹ãã 㯠CRLF<-->NL (MS-DOS ã®ã-
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text ãã¹ãŠã®ãã¡ã€ã«ã§ CRLF<-->NL ã®å€æãè¡ãã
auto æ¡åŒµåãèŠãŠãã€ããªãã¡ã€ã«ãã©ãã倿ãããã€ããªã§ã¯ãªããã¡ã€ã«ã«
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fs/fat/misc.c ã®å
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ã®æ®µéã§ã¯ãªã¹ãã¯ä»¥äžã®éã: exe, com, bin, app,
sys, drv, ovl, ovr, obj, lib, dll, pif, arc, zip,
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tgz, deb, gif, bmp, tif, gl, jpg, pcx, tfm, vf,
gf, pk, pxl, dvi)
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ã·ã¹ãã ãã¯ã©ãã·ã¥ãããšã O_SYNC æž-
蟌ã¿ã«ããã¿ã€ã ã¹ã¿ã³ãã®æŽæ°ã倱ãããã
quota / usrquota / uqnoenforce
ãŠãŒã¶ãŒãã£ã¹ã¯ quota ã®ã¢ã«ãŠã³ããéã«ããŠã å¶éã
(ãªãã·ã§ã³ãšããŠ) å®ãããã
grpquota / gqnoenforce
ã°ã«ãŒããã£ã¹ã¯ quota ã®ã¢ã«ãŠã³ããéã«ããŠã å¶éã
(ãªãã·ã§ã³ãšããŠ) å®ãããã
sunit=value ãš swidth=value
RAID ããã€ã¹ã®ã¹ãã©ã€ããŠããããšå¹
ãæå®ããã
ãŸãã¯ãã¹ãã©ã€ãããªã¥ãŒã ãæå®ããã
ãã®ãªãã·ã§ã³ãæå®ãããŠããªãå Žåã mkfs ã®æã« RAID
ããã€ã¹ã«å¯ŸããŠ
ã¹ãã©ã€ãããªã¥ãŒã ã»å¹
ã»ãŠããããæå®ããŠ
ãã¡ã€ã«ã·ã¹ãã ãäœæãããŠããã°ã mount
ã·ã¹ãã ã³ãŒã«ã¯å€ãã¹ãŒããŒãããã¯ããåãåºãã RAID
ããã€ã¹äžã«çŽæ¥äœæããããã¡ã€ã«ã·ã¹ãã ã§ã¯ã
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å ±ãäžæžãå¢è¥ªçç©æ³
ãããã®ãªãã·ã§ã³ã䜿ãããšãã§ã襊
ãã ãããã¡ã€ã«ã·ã¹ãã ãäœæãããåŸã§ã
äžå±€ã«ãããã£ã¹ã¯ã¬ã€ã¢ãŠãã倿Žãããå Žåã sunit
ãªãã·ã§ã³ãæå®ãããå Žåã swidth ãå¿
èŠã§ããã swidth
㯠sunit ã®å€ã®åæ°ã§ãªããã°ãªããªãã
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ãªããxiafs ã¯ç¹ã«æ¬ ç¹ã®ãªããã¡ã€ã«ã·ã¹ãã ã§ãããã
ããŸãçšããããŠããããã¡ã³ããã³ã¹ãããŠããªãã
ããããçšããªãæ¹ãè¯ãã ããã Linux ã®ããŒãžã§ã³ 2.1.21
以éã§ã¯ xiafs ã¯ã«ãŒãã«ãœãŒã¹ããåé€ãããã
loopãåŠãäžããã¹
æ®ã£ãã¿ã€ããšããŠãã 1 ã€ãloop
ããã€ã¹ãçšããããŠã³ããããã äŸãã°ä»¥äžã®ã³ãã³ã
mount /tmp/fdimage /mnt -t msdos -o loop=/dev/loop3,blocksize=1024
㯠loop ããã€ã¹ /dev/loop3 ããã¡ã€ã« /tmp/fdimage
ã«é¢é£ä»ãããããŠãã®ããã€ã¹ã /mnt ã«ããŠã³ãããã
ãã®ã¿ã€ãã®ããŠã³ãã®éã«ã¯ 3 ã€ã®ãªãã·ã§ã³ãæå®ã§ã襊 loop,
offset, encryption ã§ããã ãããã¯å®éã«ã¯ losetup(8)
ã®ãªãã·ã§ã³ã§ããã
(ãããã®ãªãã·ã§ã³ã¯ãã¡ã€ã«ã·ã¹ãã ã¿ã€ãã«åº-
ã®ãªãã·ã§ã³ã®ä»ã« 䜿çšããããšãã§ã襊)
loop ããã€ã¹ã®ååãã³ãã³ãã©ã€ã³ã§çç¥ããå Žå (`-o loop'
ã®ã¿ãæå®ããå Žå) 㯠mount ã¯ãŸã 䜿ãããŠããªã loop
ããã€ã¹ãæ¢ããŠãããå©çšããã /etc/mtab ã /proc/mounts
ãžã®ã·ã³ããªãã¯ãªã³ã¯ã«ãããããªéŠ¬é¹¿ãããªããã°ã mount
ã«ãã£ãŠå²ãåœãŠããããããã® loop ããã€ã¹ã umount
ã«ãã£ãŠè§£æŸã§ã襊 `losetup -d' ãçšããã° loop
ããã€ã¹ãæåã§è§£æŸããããšãã§ã襊 詳现㯠losetup(8) ãèŠãã
è¿å±ãè å€
mount ã¯ä»¥äžã®ã³ãŒããè¿ã (ããã㯠OR ã§ã):
0 æåããã
1 åŒã³åºããããŒããã·ã§ã³ãæ£ãããªãã
2 ã·ã¹ãã ãšã©ãŒ (ã¡ã¢ãªäžèfork ã§ãèŠã£ããloop
ããã€ã¹ãé è
èŠ)ã
4 mount å
éšã®ãã°ããŸã㯠mount ã nfs ã«å¯Ÿå¿ããŠããªãã
8 ãŠãŒã¶ãŒã«ããäžæã
16 /etc/mtab ã®æžãã¿æãŸãã¯ããã¯æã®åé¡ãããã
32 ããŠã³ãã«å€±æããã
64 (蚳蚻: "mount -a" ãªã©ã§) äžéšãæåããã
ãäŸãïŒããã«
/etc/fstab ãã¡ã€ã«ã·ã¹ãã ã®äžèŠ§è¡š
/etc/mtab ããŠã³ãããããã¡ã€ã«ã·ã¹ãã ã®äžèŠ§è¡š
/etc/mtab~ ããã¯ãã¡ã€ã«
/etc/mtab.tmp ãã³ãã©ãªãã¡ã€ã«
/etc/filesystems 詊è¡ãããã¡ã€ã«ã·ã¹ãã ã¿ã€ãã®äžèЧ
éæ
éé çç®
mount(2), umount(2), fstab(5), umount(8), swapon(8), nfs(5),
xfs(5), e2label(8), xfs_admin(8), mountd(8), nfsd(8), mke2fs(8),
tune2fs(8), losetup(8)
ãäžã°
ãã¡ã€ã«ã·ã¹ãã ã«æŽåäžãªããšãã¯ã©ãã·ã¥ãåŒ-
èµ·ããå Žåãããã
Linux ã®ãã¡ã€ã«ã·ã¹ãã ã®ãªãã«ã¯ -o sync ãš -o dirsync
ããµããŒãããŠããªããã®ãããã (ext2, ext3 ãã¡ã€ã«ã·ã¹ãã ã¯
BSD æµã®åææŽæ°ããµããŒãããŠ_sync
ãªãã·ã§ã³ãšãšãã«ããŠã³ãããã°è¯ãã)
-o remount ã§ããŠã³ããã©ã¡ãŒã¿ã倿Žãããªãããšããã (äŸãã°
ext2fs ç¹äœé¢åèç çœçè® sb ãé€ããŠãã¹ãŠ remount
ã§å€æŽå¯èœã§ãããã fatfs ã§ã¯ gid ã umask ã倿Žã§ãèŠ)ã
ã©ãã«ãŸã㯠uuid ã«ããããŠã³ãã¯ããã®ããã€ã¹ã®ååã
/proc/partitions ã«ãªã¹ããããŠããå Žåã«ã®ã¿å¯èœã§ããã
ç¹ã«ãã«ãŒãã«ã devfs
ãä»ããŠã³ã³ãã€ã«ãããŠããã«ãé¢ãããã devfs
ãããŠã³ããããŠããªãå Žåã«ã倱æããã
屿Ž
mount ã³ãã³ã㯠Version 5 ã® AT&T UNIX ã«ã¯ååšããŠããã