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[linuxjm/jm.git] / manual / gnumaniak / draft / man1 / du.1

.\" 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 Sun Oct 17 18:05:20 JST 1999
.\"         by Yuichi SATO <sato@complex.eng.hokudai.ac.jp>
.\" Updated & Modified Sun Feb 23 00:55:58 JST 2003
.\"         by Yuichi SATO <ysato444@yahoo.co.jp>
.\" 
.\"WORD:        report          ɽ¼¨¤¹¤ë
.\" 
.TH DU 1 "18 June 2002" "GNU fileutils 4.1"
.\"O .SH NAME
.SH ̾Á°
.\"O du \- estimate file space usage
du \- ¥Õ¥¡¥¤¥ë¤Î¥Ç¥£¥¹¥¯»ÈÍÑÎ̤ò¸«ÀѤâ¤ë
.\"O .SH SYNOPSIS
.SH ½ñ¼°
.BI "du [" options "] [" file... ]
.sp
.\"O POSIX options:
POSIX ¥ª¥×¥·¥ç¥ó:
.B [\-askx]
.sp
.\"O GNU options (shortest form):
GNU ¥ª¥×¥·¥ç¥ó (´Êά·Á¼°):
.B [\-abchklmsxDHLS] [\-X \fIFILE\fB]
.B [\-\-block\-size=\fISIZE\fB] [\-\-max\-depth=\fIDEPTH\fB]
.B [\-\-exclude=\fIPATTERN\fB]
.B "[\-\-help] [\-\-version] [\-\-]"
.\"O .SH DESCRIPTION
.SH ÀâÌÀ
.\"O .B du
.\"O reports the amount of disk space used by the specified files,
.\"O and by each directory in the hierarchies rooted at the
.\"O specified files.
.\"O Here `disk space used' means space used for the entire
.\"O file hierarchy below the specified file.
.B du
¤Ï¥Ç¥£¥¹¥¯¤Î»ÈÍÑÎ̤òɽ¼¨¤¹¤ë¡£
ÂоݤϻØÄꤷ¤¿¥Õ¥¡¥¤¥ë¤È¡¢
¤½¤ì¤ò¥ë¡¼¥È (º¬) ¤È¤¹¤ë³¬ÁØÃæ¤Ë¤¢¤ëÁ´¥Ç¥£¥ì¥¯¥È¥ê¤Ç¤¢¤ë¡£
¤³¤³¤Ç¡Ö¥Ç¥£¥¹¥¯»ÈÍÑÎ̡פȤϡ¢»ØÄꤷ¤¿¥Õ¥¡¥¤¥ë°Ê²¼¤Î
Á´¥Õ¥¡¥¤¥ë³¬Áؤˤè¤ë»ÈÍÑÎ̤ò°ÕÌ£¤¹¤ë¡£
.PP
.\"O With no arguments,
.\"O .B du
.\"O reports the disk space for the current directory.
°ú¤­¿ô¤¬¤Ê¤¤¾ì¹ç¡¢
.B du
¤Ï¸½ºß¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Î¥Ç¥£¥¹¥¯»ÈÍÑÎ̤òɽ¼¨¤¹¤ë¡£
.\"O .SH "POSIX DETAILS"
.SH "POSIX ¾ÜºÙ"
.\"O The output is in 512-byte units by default, but in
.\"O 1024-byte units when the \-k option is given.
½ÐÎϤϥǥե©¥ë¥È¤Ç¤Ï 512 ¥Ð¥¤¥Èñ°Ì¤Ç¤¢¤ë¤¬¡¢
\-k ¥ª¥×¥·¥ç¥ó¤¬»ØÄꤵ¤ì¤¿¾ì¹ç¤Ï 1024 ¥Ð¥¤¥Èñ°Ì¤Ë¤Ê¤ë¡£
.\"O .SH "POSIX OPTIONS"
.SH "POSIX ¥ª¥×¥·¥ç¥ó"
.TP
.B "\-a"
.\"O Show counts for all files encountered, not just directories.
¥Ç¥£¥ì¥¯¥È¥ê¤À¤±¤Ç¤Ê¤¯¡¢Á´¤Æ¤Î¥Õ¥¡¥¤¥ë¤Ë¤Ä¤¤¤ÆÍÆÎ̤òɽ¼¨¤¹¤ë¡£
.TP
.B "\-k"
.\"O Use 1024-byte units instead of the default 512-byte units.
¥Ç¥Õ¥©¥ë¥È¤Î 512 ¥Ð¥¤¥Èñ°Ì¤ÎÂå¤ï¤ê¤Ë 1024 ¥Ð¥¤¥Èñ°Ì¤ò»ÈÍѤ¹¤ë¡£
.TP
.B "\-s"
.\"O Only output space usage for the actual arguments given,
.\"O not for their subdirectories.
¼ÂºÝ¤Ë°ú¤­¿ô¤Ç»ØÄꤵ¤ì¤¿Âоݤˤè¤ë»ÈÍÑÎ̤Τߤòɽ¼¨¤·¡¢
¤½¤Î¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¤Ë¤è¤ë»ÈÍÑÎ̤Ïɽ¼¨¤·¤Ê¤¤¡£
.TP
.B "\-x"
.\"O Only count space on the same device as the argument given.
°ú¤­¿ô¤Ç»ØÄꤵ¤ì¤¿¥Õ¥¡¥¤¥ë¤ÈƱ¤¸¥Ç¥£¥Ð¥¤¥¹¾å¤Î¤ß¤Ç»ÈÍÑÎ̤ò½¸·×¤¹¤ë¡£
.\"O .SH "GNU OPTIONS"
.SH "GNU ¥ª¥×¥·¥ç¥ó"
.TP
.B "\-a, \-\-all"
.\"O Show counts for all files, not just directories.
¥Ç¥£¥ì¥¯¥È¥ê¤À¤±¤Ç¤Ê¤¯¡¢Á´¤Æ¤Î¥Õ¥¡¥¤¥ë¤Ë¤Ä¤¤¤ÆÍÆÎ̤òɽ¼¨¤¹¤ë¡£
.TP
.B "\-b, \-\-bytes"
.\"O Print sizes in bytes, overriding the default block size.
¥Ç¥Õ¥©¥ë¥È¤Î¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤ò̵»ë¤·¡¢¥Ð¥¤¥Èñ°Ì¤Ç¥µ¥¤¥º¤òɽ¼¨¤¹¤ë¡£
.TP
.B "\-c, \-\-total"
.\"O Print a grand total of all arguments after all arguments have been
.\"O processed.  This can be used to find out the total disk usage of a
.\"O given set of files or directories.
Á´¤Æ¤Î°ú¤­¿ô¤Ë¤Ä¤¤¤Æ»ÈÍÑÎÌɽ¼¨¤Î½èÍý¤ò¤·¤¿¸å¡¢
Á´¤Æ¤Î°ú¤­¿ô¤Î»ÈÍÑÎ̤ÎÁí·×¤òɽ¼¨¤¹¤ë¡£
¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï¡¢¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥ì¥¯¥È¥ê¤Î¥»¥Ã¥È¤òÍ¿¤¨¡¢
¤½¤ì¤é¤Î¥Ç¥£¥¹¥¯Áí»ÈÍÑÎ̤òÄ´¤Ù¤ë¤¿¤á¤Ë»ÈÍѤµ¤ì¤ë¡£
.TP
.B "\-h, \-\-human\-readable"
.\"O Append a size letter such as \fBM\fR for megabytes to each size.
.\"O Powers of 2 are used, not 10; \fBM\fR stands for 1,048,576 bytes.
¤½¤ì¤¾¤ì¤Î¥µ¥¤¥º¤Ë¡¢
Î㤨¤Ð¥á¥¬¥Ð¥¤¥È¤Ê¤é \fBM\fR ¤Î¤è¤¦¤Ê¥µ¥¤¥ºÊ¸»ú¤òÉղ乤롣
10 ¤ÎÎß¾è¤Ç¤Ï¤Ê¤¯ 2 ¤ÎÎß¾è¤òÍѤ¤¤ë¤Î¤Ç¡¢
\fBM\fR ¤Ï 1,048,576 ¥Ð¥¤¥È¤òɽ¤¹¡£
.TP
.B "\-k, \-\-kilobytes"
.\"O Print sizes in kilobytes.
¥µ¥¤¥º¤ò¥­¥í¥Ð¥¤¥Èñ°Ì¤Çɽ¼¨¤¹¤ë¡£
.TP
.B "\-l, \-\-count\-links"
.\"O Count the size of all files, even if they have appeared already
.\"O (as a hard link).
¤¢¤ë¥Õ¥¡¥¤¥ë¤¬ (¥Ï¡¼¥É¥ê¥ó¥¯¤È¤·¤Æ) ´û¤Ë½¸·×¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¤ò´Þ¤á¡¢
Á´¤Æ¤Î¥Õ¥¡¥¤¥ë¤Î»ÈÍÑÎ̤ò½¸·×¤¹¤ë¡£
.TP
.B "\-m, \-\-megabytes"
.\"O Print sizes in megabyte (that 1,048,576 bytes) blocks.
¥á¥¬¥Ð¥¤¥È (1,048,576 ¥Ð¥¤¥È) ñ°Ì¤Ç¥µ¥¤¥º¤òɽ¼¨¤¹¤ë¡£
.TP
.B "\-s, \-\-summarize"
.\"O Display only a total for each argument.
¤½¤ì¤¾¤ì¤Î°ú¤­¿ô¤Ë¤Ä¤¤¤Æ¡¢Áí·×¤Î¤ß¤òɽ¼¨¤¹¤ë¡£
.TP
.B "\-x, \-\-one\-file\-system"
.\"O Skip directories that are on different filesystems from the one
.\"O that the argument being processed is on.
°ú¤­¿ô¤Ç»ØÄꤵ¤ì¤¿¥Õ¥¡¥¤¥ë¤Î¤¢¤ë¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤È¤Ï°Û¤Ê¤ë
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Ë¤¢¤ë¥Ç¥£¥ì¥¯¥È¥ê¤ò½¸·×¤Ë´Þ¤á¤Ê¤¤¡£
.TP
.B "\-D, \-\-dereference\-args"
.\"O Dereference symlinks that are command line arguments.  Does
.\"O not affect other symlinks.  This is helpful for finding out
.\"O the disk usage of directories, such as
.\"O .IR /usr/tmp ,
.\"O which are often symlinks.
¥³¥Þ¥ó¥É¥é¥¤¥ó°ú¤­¿ô¤Ç»ØÄꤷ¤¿¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤ò¤¿¤É¤ë¡£
¾¤Î¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤Ï¤¿¤É¤é¤Ê¤¤¡£
¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï¡¢¤¿¤¤¤Æ¤¤¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤Ë¤Ê¤Ã¤Æ¤¤¤ë
.IR /usr/tmp
¤Î¤è¤¦¤Ê¥Ç¥£¥ì¥¯¥È¥ê¤Î¥Ç¥£¥¹¥¯»ÈÍÑÎ̤òÄ´¤Ù¤ë¤Î¤ËÊØÍø¤Ç¤¢¤ë¡£
.TP
.B \-H, \-\-si
.\"O Append a size letter such as \fBM\fR for megabytes to each size.  (SI
.\"O is the International System of Units, which defines these letters
.\"O as prefixes)  Powers of 10 are used, not 2; \fBM\fR stands for
.\"O 1,000,000 bytes.
¤½¤ì¤¾¤ì¤Î¥µ¥¤¥º¤Ë¡¢
Î㤨¤Ð¥á¥¬¥Ð¥¤¥È¤Ê¤é \fBM\fR ¤Î¤è¤¦¤Ê¥µ¥¤¥ºÊ¸»ú¤òÉղ乤ë
(SI¤È¤Ï¹ñºÝñ°Ì·Ï¤Î¤³¤È¤Ç¡¢¤³¤ì¤é¤Îʸ»ú¤òÀÜƬ¼­¤ÈÄêµÁ¤·¤Æ¤¤¤ë)¡£
2 ¤ÎÎß¾è¤Ç¤Ï¤Ê¤¯ 10 ¤ÎÎß¾è¤òÍѤ¤¤ë¤Î¤Ç¡¢
\fBM\fR ¤Ï 1,000,000 ¥Ð¥¤¥È¤òɽ¤¹¡£
.TP
.B "\-L, \-\-dereference"
.\"O Dereference symlinks (show the disk space used by the file
.\"O or directory that the link points to instead of the space used by
.\"O the link).
¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤ò¤¿¤É¤ë (¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¼«ÂΤ¬»ÈÍѤ¹¤ëÍÆÎ̤ÎÂå¤ï¤ê¤Ë¡¢
¥ê¥ó¥¯Àè¤Î¥Õ¥¡¥¤¥ë¤ä¥Ç¥£¥ì¥¯¥È¥ê¤Î»ÈÍÑÎ̤òɽ¼¨¤¹¤ë)¡£
.TP
.B "\-S, \-\-separate\-dirs"
.\"O Report the size of each directory separately, not including the
.\"O sizes of subdirectories.
¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¤Î»ÈÍÑÎ̤ò´Þ¤á¤º¤Ë¡¢
¸Ä¡¹¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Î»ÈÍÑÎ̤òʬ¤±¤Æɽ¼¨¤¹¤ë¡£
.TP
.B \-X \fIFILE\fB, \-\-exclude\-from=\fIFILE
.\"O As \fB\-\-exclude\fR, except take the patterns to exclude from \fIFILE\fR,
.\"O one per line.  If \fIFILE\fR is `\fB-\fR', read the patterns from standard
.\"O input.
\fB\-\-exclude\fR ¤ÈÎà»÷¤¹¤ë¤¬¡¢
½ü³°¤¹¤ë¤¿¤á¤Î¥Ñ¥¿¡¼¥ó¤ò \fIFILE\fR ¤«¤é°ì¹Ô¤º¤Ä¼è¤ê¹þ¤à¡£
\fIFILE\fR ¤¬ `\fB-\fR' ¤Î¤È¤­¤Ï¥Ñ¥¿¡¼¥ó¤òɸ½àÆþÎϤ«¤éÆɤ߹þ¤à¡£
.TP
.B \-\-block\-size=\fISIZE
.\"O Set the block size to \fISIZE\fR, overriding the value of the environment
.\"O variables.
´Ä¶­ÊÑ¿ô¤ÎÃͤò̵»ë¤·¡¢¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤ò \fISIZE\fR ¤ËÀßÄꤹ¤ë¡£
.TP
.B \-\-exclude=\fIPATTERN
.\"O When recursing, skip subdirectories or 
.\"O files matching pattern \fIPATTERN\fR.
.\"O For example, `du \-\-exclude='*~'' excludes files whose names end in `~'
ºÆµ¢Åª¤Ë½¸·×¤¹¤ëºÝ¡¢\fIPATTERN\fR ¤Ë¥Þ¥Ã¥Á¤¹¤ë̾Á°¤Î
¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¤ä¥Õ¥¡¥¤¥ë¤ò½ü³°¤¹¤ë¡£
`du \-\-exclude='*~'' ¤Î¾ì¹ç¤Ë¤Ï `~' ¤Ç½ª¤ï¤ë̾Á°¤Î¥Õ¥¡¥¤¥ë¤Ï½ü³°¤µ¤ì¤ë¡£
.TP
.B \-\-max\-depth=\fIDEPTH
.\"O Show the total for each directory (and file if \fB\-all\fR) that is at
.\"O most \fIDEPTH\fR depth levels down from the root of the hierarchy.  The
.\"O root is at level 0, so `du \-\-max\-depth=0' is equivalent to `du \-s'.
³¬ÁؤΥ롼¥È¤«¤é¿¼¤µ¥ì¥Ù¥ë¤¬ºÇÂç \fIDEPTH\fR ¤Þ¤Ç¤Ë¤¢¤ë
³Æ¥Ç¥£¥ì¥¯¥È¥ê¤Î (\fB\-all\fR ¤¬»ØÄꤵ¤ì¤Æ¤¤¤ë¾ì¹ç¤Ï¥Õ¥¡¥¤¥ë¤â´Þ¤á¤¿)
¥Ç¥£¥¹¥¯»ÈÍÑÎ̤ιç·×¤òɽ¼¨¤¹¤ë¡£
¥ë¡¼¥È¤Ï¥ì¥Ù¥ë 0 ¤Ç¤¢¤ë¤Î¤Ç¡¢`du \-\-max\-depth=0' ¤Ï `du \-s' ¤ÈÅù¤·¤¤¡£
.\"O .SH "GNU STANDARD OPTIONS"
.SH "GNU ɸ½à¥ª¥×¥·¥ç¥ó"
.TP
.B "\-\-help"
.\"O Print a usage message on standard output and exit successfully.
ɸ½à½ÐÎϤ˻ÈÍÑÊýË¡¤Î¥á¥Ã¥»¡¼¥¸¤ò½ÐÎϤ·¤ÆÀµ¾ï½ªÎ»¤¹¤ë¡£
.TP
.B "\-\-version"
.\"O Print version information on standard output, then exit successfully.
ɸ½à½ÐÎϤ˥С¼¥¸¥ç¥ó¾ðÊó¤ò½ÐÎϤ·¤ÆÀµ¾ï½ªÎ»¤¹¤ë¡£
.TP
.B "\-\-"
.\"O Terminate option list.
¥ª¥×¥·¥ç¥ó¥ê¥¹¥È¤Î½ª¤ê¤ò¼¨¤¹¡£
.\"O .SH BUGS
.SH ¥Ð¥°
.\"O On BSD systems,
.\"O .B du
.\"O reports sizes that are half the correct values
.\"O for files that are NFS-mounted from HP-UX systems.  On HP-UX systems,
.\"O it reports sizes that are twice the correct values for files that are
.\"O NFS-mounted from BSD systems.  This is due to a flaw in HP-UX; it also
.\"O affects the HP-UX
.\"O .B du
.\"O program.
BSD ¥·¥¹¥Æ¥à¤Ç¤Ï¡¢HP-UX ¥·¥¹¥Æ¥à¤«¤é NFS ¥Þ¥¦¥ó¥È¤·¤¿¥Õ¥¡¥¤¥ë¤ËÂФ·¤Æ¡¢
.B du
¤ÏÀµ¤·¤¤ÃͤÎȾʬ¤ÎÃͤòɽ¼¨¤·¤Æ¤·¤Þ¤¦¡£
HP-UX ¥·¥¹¥Æ¥à¤Ç¤Ï¡¢BSD ¥·¥¹¥Æ¥à¤«¤é NFS ¥Þ¥¦¥ó¥È¤·¤¿
¥Õ¥¡¥¤¥ë¤ËÂФ·¤Æ¡¢Àµ¤·¤¤ÃͤΠ2 ÇܤÎÃͤòɽ¼¨¤·¤Æ¤·¤Þ¤¦¡£
¤³¤ì¤Ï HP-UX ¤Î·ç´Ù¤Ë¤è¤ë¤â¤Î¤Ç¡¢HP-UX ¤Î 
.B du
¥×¥í¥°¥é¥à¤Ë¤â±Æ¶Á¤òµÚ¤Ü¤·¤Æ¤¤¤ë¡£
.\"O .SH BLOCK SIZE
.SH ¥Ö¥í¥Ã¥¯¥µ¥¤¥º
.\"O The default output file block size is 1024 bytes 
.\"O (or 512 if \fBPOSIXLY_CORRECT\fR).
.\"O You may change this value by setting any of the following environment
.\"O variables, which are overriden 
.\"O if a \fB\-\-block\-size=\fISIZE\fR is given.
¥Ç¥Õ¥©¥ë¥È¤Î½ÐÎÏ¥Õ¥¡¥¤¥ë¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤Ï
1024 ¥Ð¥¤¥È (\fBPOSIXLY_CORRECT\fR¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë¤È¤­¤Ï 512 ¥Ð¥¤¥È) ¤Ç¤¢¤ë¡£
¤³¤ÎÃͤϰʲ¼¤Î´Ä¶­ÊÑ¿ô¤Î¤É¤ì¤«¤òÀßÄꤹ¤ë¤³¤È¤ÇÊѹ¹¤Ç¤­¤ë¡£
¤Þ¤¿¡¢¤³¤ì¤é¤Î´Ä¶­ÊÑ¿ô¤ÎÃÍ¤Ï \fB\-\-block\-size=\fISIZE\fR ¤¬
¥ª¥×¥·¥ç¥ó¤ËÍ¿¤¨¤é¤ì¤ë¤È̵»ë¤µ¤ì¤ë¡£
.TP
.\"O In order of precedence:
Í¥Àè½ç°Ì¡§
.BR DU_BLOCK_SIZE ", " BLOCK_SIZE ", " POSIXLY_CORRECT .
.PP
.\"O The values for these variables can be either a number, 
.\"O \fBhuman\-readable\fR, or \fBsi\fR.  
.\"O Numbers may be followed by a size letter to specify a multiple of that
.\"O size, and a \fBB\fR to select normal bytes or a \fBD\fR to select
.\"O decimal "commercial" bytes.  For example `BLOCK_SIZE=1KB' is equal to
.\"O `BLOCK_SIZE=1024' and `BLOCK_SIZE=1KD' is equal to `BLOCK_SIZE=1000'
¤³¤ì¤é¤ÎÊÑ¿ô¤ÎÃͤϡ¢¿ô»ú¤Ç¤â \fBhuman\-readable\fR ¤Ç¤â \fBsi\fR ¤Ç¤â¤è¤¤¡£
¿ô»ú¤Î¸å¤Ë¤Ï¡¢²¿ÇܤǤ¢¤ë¤«¤ò»ØÄꤹ¤ë¥µ¥¤¥ºÊ¸»ú¤È¡¢
Ä̾ï¤Î¥Ð¥¤¥È¤òÁªÂò¤¹¤ë \fBB\fR ¤Þ¤¿¤Ï
10 ¿Ê¤Î¡Ö¾¦¶ÈÍѡץХ¤¥È¤òÁªÂò¤¹¤ë \fBD\fR ¤ò³¤±¤Æ¤â¤è¤¤¡£
¤¿¤È¤¨¤Ð¡¢`BLOCK_SIZE=1KB' ¤Ï `BLOCK_SIZE=1024' ¤ËÅù¤·¤¯¡¢
`BLOCK_SIZE=1KD' ¤Ï `BLOCK_SIZE=1000' ¤ËÅù¤·¤¤¡£

.\"O The following letters are recognized (and used when printing with
.\"O \fB\-\-human\-readable\fR or \fB\-\-si\fR)
°Ê²¼¤Îʸ»ú¤¬Ç§¼±¤µ¤ì¤ë 
(¤Þ¤¿ \fB\-\-human\-readable\fR ¤È 
\fB\-\-si\fR ¥ª¥×¥·¥ç¥ó¤Çɽ¼¨¤µ¤ì¤ë¤È¤­¤ËÍѤ¤¤é¤ì¤ë)
.TP
.B k
.\"O kilo: 2^10 = 1024 for \fB\-\-human-readable\fR, or 10^3 = 1000 for \fB\-\-si\fR
¥­¥í: \fB\-\-human-readable\fR ¤Ê¤é 2^10 = 1024¡¢
\fB\-\-si\fR ¤Ê¤é 10^3 = 1000 
.TP
.B M
.\"O Mega: 2^20 = 1,048,576 or 10^6 = 1,000,000
¥á¥¬: 2^20 = 1,048,576 ¤Þ¤¿¤Ï 10^6 = 1,000,000
.TP
.B G
.\"O Giga: 2^30 = 1,073,741,824 or 10^9 = 1,000,000,000
¥®¥¬: 2^30 = 1,073,741,824 ¤Þ¤¿¤Ï 10^9 = 1,000,000,000
.TP
.B T
.\"O Tera: 2^40 = 1,099,511,627,776 or 10^12 = 1,000,000,000,000
¥Æ¥é: 2^40 = 1,099,511,627,776 ¤Þ¤¿¤Ï 10^12 = 1,000,000,000,000
.TP
.B P
.\"O Peta: 2^50 = 1,125,899,906,842,624 or 10^15 = 1,000,000,000,000,000
¥Ú¥¿: 2^50 = 1,125,899,906,842,624 ¤Þ¤¿¤Ï 10^15 = 1,000,000,000,000,000
.TP
.B E
.\"O Exa: 2^60 = 1,152,921,504,606,846,976 or 10^18 = 1,000,000,000,000,000,000
¥¨¥¯¥µ: 2^60 = 1,152,921,504,606,846,976 ¤Þ¤¿¤Ï 
10^18 = 1,000,000,000,000,000,000
.TP
.B Z
.\"O Zetta: 2^70 = 1,180,591,620,717,411,303,424 or 10^21 =
.\"O 1,000,000,000,000,000,000,000
¥¼¥¿: 2^70 = 1,180,591,620,717,411,303,424 ¤Þ¤¿¤Ï 10^21 =
1,000,000,000,000,000,000,000
.TP
.B Y
.\"O Yotta: 2^80 = 1,208,925,819,614,629,174,706,176 or 10^24 =
.\"O 1,000,000,000,000,000,000,000,000
¥è¥¿: 2^80 = 1,208,925,819,614,629,174,706,176 ¤Þ¤¿¤Ï 10^24 =
1,000,000,000,000,000,000,000,000
.\"O .SH ENVIRONMENT
.SH ´Ä¶­ÊÑ¿ô
.\"O The variables DU_BLOCK_SIZE, BLOCK_SIZE and POSIXLY_CORRECT determine the
.\"O choice of the output file block size.
.\"O The variables LANG, LC_ALL, LC_CTYPE and LC_MESSAGES have the
.\"O usual meaning.
ÊÑ¿ô DF_BLOCK_SIZE, BLOCK_SIZE, OSIXLY_CORRECT ¤Ï
½ÐÎÏ¥Õ¥¡¥¤¥ë¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤ÎÁªÂò¤ò·èÄꤹ¤ë¡£
ÊÑ¿ô LANG, LC_ALL, LC_CTYPE, LC_MESSAGES ¤¬Ä̾ï¤Î°ÕÌ£¤ò»ý¤Ä¡£
.\"O .SH "CONFORMING TO"
.SH ½àµò
POSIX 1003.2
.\"O .SH NOTES
.SH Ãí°Õ
.\"O Disk usage is rounded upwards, free space downwards.
¥Ç¥£¥¹¥¯»ÈÍÑÎ̤ϴݤá¤ÎºÝ¤Ë·«¾å¤²¤é¤ì¡¢¶õ¤­ÍÆÎ̤Ϸ«¤ê²¼¤²¤é¤ì¤ë¡£
.\"O 
.PP
.\"O This page describes
.\"O .B du
.\"O as found in the fileutils-4.1 package;
.\"O other versions may differ slightly. Mail corrections and additions to
.\"O aeb@cwi.nl and aw@mail1.bet1.puv.fi and ragnar@ragnar-hojland.com
.\"O Report bugs in the program to bug-fileutils@gnu.org.
¤³¤Î¥Ú¡¼¥¸¤Ï fileutils-4.1 ¥Ñ¥Ã¥±¡¼¥¸¤Î
.B du
¥³¥Þ¥ó¥É¤Ë¤Ä¤¤¤ÆÀâÌÀ¤·¤¿¤â¤Î¤Ç¤¢¤ë;
¤½¤Î¾¤Î¥Ð¡¼¥¸¥ç¥ó¤Ç¤Ï¾¯¤·°ã¤¤¤¬¤¢¤ë¤«¤â¤·¤ì¤Ê¤¤¡£
½¤Àµ¤äÄÉ²Ã¤Ï aeb@cwi.nl, aw@mail1.bet1.puv.fi, ragnar@ragnar-hojland.com
°¸¤Ë¥á¡¼¥ë¤ÇÏ¢Íí¤·¤Æ¤¯¤À¤µ¤¤¡£
¥×¥í¥°¥é¥à¤Î¥Ð¥°¤Ë¤Ä¤¤¤Æ¤Ï bug-fileutils@gnu.org ¤ØÊó¹ð¤·¤Æ¤¯¤À¤µ¤¤¡£