̓oCgP
fBXN̓ubNP
	jIo܂512byteP
t@CVXe͂̃ubN̎g߂܂傤AƂ[


̂́Aǂ́uubNvg𕨗IȃƂɁuAddressvĂ肭肵
	No.0 blockAA1BAƂ悤ɁB
	telR}h(?)
	
EǂgĂ邩
	̃ubN̏ꍇAP̃ubNōςޏꍇ
	Unixō̗pꂽAubNŊgƂ@\͌ǔᔻȂL܂Ă
ENg
	inode
	http://www.tamacom.com/tour/kernel/unix/S/61.html
	32s
		i_mode
			t@C̃[h
			shortȂ̂16bit
			rwx3bit * 3 = 9bit
	63sځ`
		Bꂽ[h (i_mode)
		`67s
		D => directory
		R => regular file
	e[UɊJĂ̂regular file
	directoryOSgp̂ŁA[U͕ʈӎȂ

inodeȂ

`I*nix̃t@CVXe

fBXN̏
	擪 superblock => ȍ~
	inodeGA
	ʃubN
superblock
	Ŝ̏
	̂mkfs̃c[
inodeGA
	inodeł܂łĂ
	inode̔z
ʃubN
	directoryregular fileŖ܂Ă

mkfsł̓t@CVXeƂĔFȂ
t@CVXeƂāAmkfsfBXNOSɔF̂mountR}h

mountR}h邩
	superblockǂŁAFSAvIȕsȂ
	mount /dev/blockdev mountpoint
		inode2ԂǂŁAmountpointɒǋL
		2ԂȂ̂͌܂Ă
		inode2Ԃ͔ɏdv
	umount
		t@CSĕĂ邩
			inodeSlockĂȂ
inode2
	eFS2inode̓fBNg\rootƂȂĂ
	mkfsR}hFS̏́AmkfsR}h2ԂfBNgɕKZbg

inode̃t@C

inode̔z񂩂AgpinodeTĂāAɓǂݍ݁Aregular <= +1diskɏ߂
	gpTASY͕ʂɂ
ʃubN̋󂫗̈T
	TASYʂɂ
	39sڂNADDRgp

*nixłinodêt@C
	ut@C = inodev
	inode͎ʎqł͂Ȃ̂ŁAԍĂ
		ui_nov
		uls -ivinodeԍo
	"ls -id /"
		=> 2
lnR}hhardlink
	t@Cinode̔ԍŌĂԂ͖̂ʓ|Ȃ̂ŁAO
	t@C͕
^C~OrmR}hłuԂƂ͌Ȃ

uino <=> file namev̑gݍ킹zƂĎĂz
	|ino | file name |
	| 41 |   file A  |
	| 41 |   file B  |
	̂悤ȊǗIȕ
	͂ꂪfBNgt@C
		fBNgt@C𖳗ƌ
		"cat ."
			Linux͍\Ⴄ̂ŌȂ
	LinuxV7̃t@CVXe̍\͓
		t@CVXe̊{IȃfUC\͓
		̍HvEi͂
		AeB[NUnixグR͂

tempt@C
	t@CuԂunlink => vZX̎ĂɃt@C

̂̓fBXNő傫ȒPfBXNpӂ̂̂ŁA
ȃfBXNڂ؂āA傫Ƃ̍
	=> inode 2
