.\" Copyright Andries Brouwer, A. Wik 1998, Ragnar Hojland Espinosa 1998-2002
.\"
.\" This file may be copied under the conditions described
.\" in the LDP GENERAL PUBLIC LICENSE, Version 1, September 1998
.\" that should have been distributed together with this file.
.\"
.\" Japanese Version Copyright (c) 1999-2003 Yuichi SATO
.\"         all rights reserved.                                               
.\" Translated Sat Oct 16 14:35:31 JST 1999
.\"         by Yuichi SATO <sato@complex.eng.hokudai.ac.jp>
.\" Updated & Modified Sun Feb 16 17:41:57 JST 2003
.\"         by Yuichi SATO <ysato444@yahoo.co.jp>
.\"
.\"WORD:	report		ɽ
.\"WORD:	disk space	ǥ
.\"
.TH DF 1 "18 June 2002" "GNU fileutils 4.1"
.SH ̾
df \- ե륷ƥΥǥ̤λѾɽ
.SH 
.BI "df [" options "] [" file... ]
.sp
POSIX ץ:
.B [\-kP]
.sp
GNU ץ (ά):
.B [\-ahiklmvHPT]
.BI "[\-t " fstype ]
.BI "[\-x " fstype ]
.B [\-\-block\-size=\fISIZE\fB]
.B [\-\-no\-sync]
.B [\-\-sync]
.B "[\-\-help] [\-\-version] [\-\-]"
.SH 
.B df
ϳƥե륷ƥˤơ
Ǥ˻Υǥ̤ȻѲǽʥǥ̤ɽ롣
.PP
ʤ硢
.B df
ϸߥޥȤƤ (ƤΥפ) 
ե륷ƥˤĤ
̤ȻѲǽ̤ɽ롣
ꤵƤ硢
.B df
ϰ
.I file
ޤޤե륷ƥˤĤɽ롣
.SH "POSIX ܺ"
ϤϥǥեȤǤ 512 Хñ̤Ǥ뤬
\-k ץ󤬻ꤵ줿 1024 Хñ̤ˤʤ롣
\-P ץ󤬻ꤵʤ硢ϥեޥåȤ̤Ǥ롣
.I file
̾Υե롢ǥ쥯ȥꡢFIFO ΤǤʤ
̤ϵꤵƤʤ
.SH "GNU ܺ"

.I file
ǥǥХեǡ
Ĥ˥ޥȺѤߤΥե륷ƥबޤޤƤ硢
.B df
ϤΥǥХΡɤ°Ƥե륷ƥǤϤʤ
ǥХեбƤΥե륷ƥλѲǽ̤ɽ롣
.SH "POSIX ץ"
.TP
.B "\-k"
ǥեȤ 512 Хñ̤ 1024 Хñ̤Ѥ롣
.TP
.B "\-P"
`Filesystem N-blocks Used Available Capacity Mounted on'
ȤإåĤ 6 ǽϤ
(̾ N=512\-k ץ󤬻ꤵ줿Ȥ N=1024)
.SH "GNU ץ"
.TP
.B "\-a, \-\-all"
 0 ֥åΥե륷ƥ
פ `ignore' ޤ `auto' Υե륷ƥ
ꥹɽ˴ޤ (ǥեȤǤϾʤ)
.TP
.B "\-h, \-\-human-readable"
줾Υˡ
㤨ХᥬХȤʤ \fBM\fR Τ褦ʥʸղä롣
10 ߾ǤϤʤ 2 ߾ѤΤǡ
\fBM\fR  1,048,576 ХȤɽ
.TP
.B "\-i, \-\-inodes"
֥åñ̤Ǥλ̤Τ inode λѾꥹɽ롣
.TP
.B "\-k, \-\-kilobytes"
ǥեȤΥ֥å̵뤷
1024 ХȤ 1 ֥åȤƥɽ롣
.TP
.B \-l, \-\-local
ե륷ƥΤߤꥹɽ롣
.TP
.B "\-m, \-\-megabytes"
ᥬХ (1,048,576 Х) ֥åñ̤ǥɽ롣
.TP
.BI "\-t " "fstype, " "\-\-type=" "fstype"
פ
.I fstype
Υե륷ƥΤߤꥹɽ롣
.B \-t
ץʣꤹСʣΥפɽ褦ˤǤ롣
ǥեȤǾάΤˤĤƤ \fB\-\-all\fR 򻲾Ȥ뤳ȡ
.TP
.B "\-v"
Υץ̵뤵 (System V Ǥ
.B df
ȤθߴΤˤ)
.TP
.BI "\-x " "fstype, " "\-\-exclude\-type=" "fstype"
פ
.I fstype
Υե륷ƥ롣
.B \-x
ץʣꤹСʣΥե륷ƥॿפɽǤ롣
ǥեȤǤϡɤΥե륷ƥॿפʤ
ǥեȤǾάΤˤĤƤ \fB\-\-all\fR 򻲾Ȥ뤳ȡ
.TP
.B \-H, \-\-si
줾ΥˤĤơ㤨ХᥬХȤʤ \fBM\fR Ȥä
ʸղä롣
(SIȤϹñ̷ϤΤȤǡΥʸƤ)
2 ߾ǤϤʤ 10 ߾ѤΤǡ
\fBM\fR  1,000,000 ХȤɽ
.TP
.B "\-P, \-\-portability"
.SM POSIX
ϷѤ롣
ϥǥեȤɽ˻Ƥ뤬
ʲ a), b), c) ۤʤ롣
a) ե륷ƥˤĤƤξ󤬾 1 Ԥɽ롣
Υץդ
ޥȥǥХ̾ñȤ 1 Ԥɽ뤳ȤϤʤ
ʤޥȥǥХ̾ 20 ʸʾξ
(㤨ХͥåȥޥȤʤ) 뤳Ȥˤʤ롣
b) ݤ᤬夲ˤʤ롣
c) Υإå POSIX ˽򤷤Ƥ롣
.TP
.B "\-T, \-\-print\-type"
ƥե륷ƥΥפɽ롣
.BR mount (8)
򻲾ȡ
.TP
.B \-\-block\-size=\fISIZE
֥å \fISIZE\fR ꤷĶѿ̵ͤ뤹롣
.TP
.B "\-\-no\-sync"
̥ǡ
.B sync(2)
ƤФʤ
Υץ
.B df
ưʤ®ʤ뤫⤷ʤ
ƥˤäƤ (ä SunOS Ǥ)
̤Ťʤ뤫⤷ʤΥץϥǥեȤǤ롣
.TP
.B "\-\-sync"
̥ǡ
.B sync(2)
Ƥ֡
ƥˤäƤ (ä SunOS Ǥ)
꿷̤뤳ȤǤ롣
ŪˡΥץ
.B df
ư򤺤ä٤
(ä˥ե륷ƥब¿䡢
ˤʥե륷ƥब)
.SH "GNU ɸ४ץ"
.TP
.B "\-\-help"
ɸϤ˻ˡΥåϤｪλ롣
.TP
.B "\-\-version"
ɸϤ˥СϤｪλ롣
.TP
.B "\-\-"
ץꥹȤν򼨤
.SH ֥å
ǥեȤνϥե֥å
1024 Х (\fBPOSIXLY_CORRECT\fRꤵƤȤ 512 Х) Ǥ롣
ͤϰʲδĶѿΤɤ줫ꤹ뤳ȤѹǤ롣
ޤδĶѿͤ \fB\-\-block\-size=\fISIZE\fR 
ץͿ̵뤵롣
.TP
̡ͥ
.BR DF_BLOCK_SIZE ", " BLOCK_SIZE ", " POSIXLY_CORRECT .
.PP
ѿͤϡǤ \fBhuman\-readable\fR Ǥ \fBsi\fR Ǥ褤
θˤϡܤǤ뤫ꤹ륵ʸȡ
̾ΥХȤ򤹤 \fBB\fR ޤ
ʤΡ־ѡץХȤ򤹤 \fBD\fR ³Ƥ褤
Ȥ `BLOCK_SIZE=1KB'  `BLOCK_SIZE=1024' 
`BLOCK_SIZE=1KD'  `BLOCK_SIZE=1000' 

ʲʸǧ 
(ޤ \fB\-\-human\-readable\fR  
\fB\-\-si\fR ץɽȤѤ)
.TP
.B k
: \fB\-\-human-readable\fR ʤ 2^10 = 1024
\fB\-\-si\fR ʤ 10^3 = 1000
.TP
.B M
ᥬ: 2^20 = 1,048,576 ޤ 10^6 = 1,000,000
.TP
.B G
: 2^30 = 1,073,741,824 ޤ 10^9 = 1,000,000,000
.TP
.B T
ƥ: 2^40 = 1,099,511,627,776 ޤ 10^12 = 1,000,000,000,000
.TP
.B P
ڥ: 2^50 = 1,125,899,906,842,624 ޤ 10^15 = 1,000,000,000,000,000
.TP
.B E
: 2^60 = 1,152,921,504,606,846,976 ޤ 
10^18 = 1,000,000,000,000,000,000
.TP
.B Z
: 2^70 = 1,180,591,620,717,411,303,424 ޤ 10^21 =
1,000,000,000,000,000,000,000
.TP
.B Y
西: 2^80 = 1,208,925,819,614,629,174,706,176 ޤ 10^24 =
1,000,000,000,000,000,000,000,000
.SH Ķѿ
ѿ DF_BLOCK_SIZE, BLOCK_SIZE, POSIXLY_CORRECT 
ϥե֥åꤹ롣
ѿ LANG, LC_ALL, LC_CTYPE, LC_MESSAGES ̾ΰ̣ġ
.SH 
POSIX 1003.2
.SH Ϣ
.BR mount (8)
.SH 
ǥ̤ϴݤκݤ˷夲졢
̤Ϸ겼롣
.PP
Υڡ fileutils-4.1 ѥå
.B df
ޥɤˤĤΤǤ;
¾ΥСǤϾ㤤뤫⤷ʤ
ɲä aeb@cwi.nl, aw@mail1.bet1.puv.fi, ragnar@ragnar-hojland.com
˥᡼ϢƤ
ץΥХˤĤƤ bug-fileutils@gnu.org 𤷤Ƥ