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[linuxjm/jm.git] / manual / e2fsprogs / draft / man1 / chattr.1

.\" -*- nroff -*-
.\" 
.\" This page is a part of e2fsprogs.
.\" 
.\" Japanese Version Copyright 1998 by MATSUMOTO Shoji. All Rights Reserved.
.\" Translated Wed Mar 13 1998 by MATSUMOTO Shoji.
.\" Updated Sat 23 Oct 1999 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\" Updated Tue 16 Nov 1999 by NAKANO Takeo
.\" Updated & Modified Tue Jul 31 06:01:10 JST 2001
.\"         by Yuichi SATO <ysato@h4.dion.ne.jp>
.\" Updated Thu 3 Oct 2002 by NAKANO Takeo
.\" Updated & Modified Sat Apr 17 10:22:11 JST 2004
.\"         by Yuichi SATO <ysato4444@yahoo.co.jp>
.\" Updated & Modified Sat Oct 28 02:26:53 JST 2006 by Yuichi SATO
.\"
.\"WORD:        attribute       °À­
.\"WORD:        symbolic mode   ¥â¡¼¥É¤Îµ­Ë¡
.\"WORD:        format          ¥Õ¥©¡¼¥Þ¥Ã¥È
.\"
.TH CHATTR 1 "May 2006" "E2fsprogs version 1.39"
.\"O .SH NAME
.\"O chattr \- change file attributes on a Linux second extended file system
.SH ̾Á°
chattr \- Linux  Âè 2 ³ÈÄ¥¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à (ext2fs) ¾å¤Ë¤¢¤ë
¥Õ¥¡¥¤¥ë¤Î°À­ (attribute) ¤òÊѹ¹¤¹¤ë
.\"O .SH SYNOPSIS
.SH ½ñ¼°
.B chattr
[
.B \-RV
]
[
.B \-v
.I version
]
[
.I mode
]
.I files...
.\"O .SH DESCRIPTION
.SH ÀâÌÀ
.\"O .B chattr
.\"O changes the file attributes on a Linux second extended file system.
.B chattr
¤Ï Linux Âè 2 ³ÈÄ¥¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à (ext2fs) ¾å¤Ë¤¢¤ë
¥Õ¥¡¥¤¥ë¤Î°À­ (attribute) ¤òÊѹ¹¤¹¤ë¡£
.PP
.\"O The format of a symbolic mode is +-=[ASacDdIijsTtu].
mode ¤Îµ­Ë¡¥Õ¥©¡¼¥Þ¥Ã¥È¤Ï +-=[ASacDdIijsTtu] ¤Ç¤¢¤ë¡£
.PP
.\"O The operator `+' causes the selected attributes to be added to the
.\"O existing attributes of the files; `-' causes them to be removed; and
.\"O `=' causes them to be the only attributes that the files have.
+ ¥ª¥Ú¥ì¡¼¥¿¤ò»ÈÍѤ¹¤ë¤È¡¢ÁªÂò¤·¤¿Â°À­¤¬¥Õ¥¡¥¤¥ë¤ËÉղ䵤ì¤ë¡£
- ¥ª¥Ú¥ì¡¼¥¿¤ò»ÈÍѤ¹¤ë¤È²ò½ü¤µ¤ì¤ë¡£
= ¥ª¥Ú¥ì¡¼¥¿¤ò»ÈÍѤ¹¤ë¤È¡¢¥Õ¥¡¥¤¥ë¤Ï»ØÄꤷ¤¿Â°À­¤À¤±¤ò»ý¤Ä¤³¤È¤Ë¤Ê¤ë¡£
.PP
.\"O The letters `acdijsuADST' select the new attributes for the files: 
.\"O append only (a), compressed (c), no dump (d), immutable (i),
.\"O data journalling (j), secure deletion (s), no tail-merging (t), 
.\"O undeletable (u), no atime updates (A), synchronous directory updates (D), 
.\"O synchronous updates (S), and top of directory hierarchy (T).
¡ÖacdijsuADST¡×¤Ï»ØÄê¤Ç¤­¤ë°À­¤Ç¤¢¤ë¡£
(a) ÄɲäΤߵö²Ä (append only)¡¢(c) °µ½Ì (compressed)¡¢
(d) ¥À¥ó¥×¤·¤Ê¤¤ (no dump)¡¢(i) Êѹ¹ÉÔ²Ä (immutable)¡¢
(j) ¥Ç¡¼¥¿¤Î¥¸¥ã¡¼¥Ê¥ê¥ó¥° (data journalling)¡¢
(s) °ÂÁ´¤Êºï½ü (secure deletion)¡¢(t) ËöÈø¥Þ¡¼¥¸¤ò¤·¤Ê¤¤ (no tail-merging)¡¢
(u) Éü³è²Äǽ (undeletable)¡¢
(A) atime ¤ò¹¹¿·¤·¤Ê¤¤¡¢
(D) ¥Ç¥£¥ì¥¯¥È¥ê¤ÎƱ´ü¹¹¿· (synchronous directory updates)¡¢
(S) Ʊ´ü¹¹¿· (synchronous updates)¡¢
(T) ¥Ç¥£¥ì¥¯¥È¥ê³¬ÁؤΥȥåס£
.\"O .SH OPTIONS
.SH ¥ª¥×¥·¥ç¥ó
.TP
.B \-R
.\"O Recursively change attributes of directories and their contents.
.\"O Symbolic links encountered during recursive directory traversals are
.\"O ignored.
ºÆµ¢Åª¤Ë¥Ç¥£¥ì¥¯¥È¥ê¤ä¤½¤ÎÃæ¿È¤Î°À­¤òÊѹ¹¤¹¤ë¡£
¥Ç¥£¥ì¥¯¥È¥ê¤ò½çÈÖ¤Ëˬ¤ì¤Æ¤¤¤ëÅÓÃæ¤Ç¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤Ë½Ð²ñ¤Ã¤¿¾ì¹ç¤Ï¡¢
¤³¤ì¤ò̵»ë¤¹¤ë¡£
.TP
.B \-V
.\"O Be verbose with chattr's output and print the program version.
°À­¤ÎÊѹ¹¤ò¾ÜºÙ¤Ëɽ¼¨¤¹¤ë¡£
.TP
.BI -v " version"
.\"O Set the file's version/generation number.
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¥Ð¡¼¥¸¥ç¥ó/À¤Âå¤òÀßÄꤹ¤ë¡£
.\"O .SH ATTRIBUTES
.SH °À­
.\"O When a file with the 'A' attribute set is accessed, its atime record is
.\"O not modified.  This avoids a certain amount of disk I/O for laptop
.\"O systems.
`A' °À­¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¤Ï¡¢
¥¢¥¯¥»¥¹¤µ¤ì¤Æ¤â atime ¥ì¥³¡¼¥É¤¬Êѹ¹¤µ¤ì¤Ê¤¤¡£
¤³¤ì¤Ï¥é¥Ã¥×¥È¥Ã¥×¥·¥¹¥Æ¥à¤Î¥Ç¥£¥¹¥¯ I/O ¤ò¤¢¤ëÄøÅÙ·Ú¸º¤¹¤ë¡£
.PP
.\"O A file with the `a' attribute set can only be open in append mode for writing.
.\"O Only the superuser or a process possessing the CAP_LINUX_IMMUTABLE 
.\"O capability can set or clear this attribute.
`a' °À­¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¤Ï¡¢
½ñ¤­¹þ¤ß¤ÎºÝ¤ËÄɲå⡼¥É¤Ç¤·¤«¥ª¡¼¥×¥ó¤Ç¤­¤Ê¤¤¡£
¥¹¡¼¥Ñ¡¼¥æ¡¼¥¶¡¼¤Þ¤¿¤Ï
CAP_LINUX_IMMUTABLE ¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£ (capability) ¤ò»ý¤Ä¥×¥í¥»¥¹¤À¤±¤¬¡¢
¤³¤Î°À­¤òÀßÄꡦ²ò½ü¤Ç¤­¤ë¡£
.PP
.\"O A file with the `c' attribute set is automatically compressed on the disk
.\"O by the kernel.  A read from this file returns uncompressed data.  A write to
.\"O this file compresses data before storing them on the disk.  Note: please 
.\"O make sure to read the bugs and limitations section at the end of this
.\"O document.
`c' °À­¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¤Ï¡¢
¥Ç¥£¥¹¥¯¾å¤ËÃÖ¤«¤ì¤ë¤È¤­¥«¡¼¥Í¥ë¤Ë¤è¤Ã¤Æ¼«Æ°Åª¤Ë°µ½Ì¤µ¤ì¤ë¡£
¤³¤Î¥Õ¥¡¥¤¥ë¤òÆɤ߽Ф¹¤È¡¢¿­Ä¹¤µ¤ì¤¿¥Ç¡¼¥¿¤¬Ê֤äƤ¯¤ë¡£
¤³¤Î¥Õ¥¡¥¤¥ë¤Ë½ñ¤­¹þ¤à¤È¡¢¥Ç¥£¥¹¥¯¾å¤ËÊݸ¤¹¤ëÁ°¤Ë¥Ç¡¼¥¿¤¬°µ½Ì¤µ¤ì¤ë¡£
Ãí°Õ: ¤³¤Î¥É¥­¥å¥á¥ó¥È¤ÎºÇ¸å¤Ë¤¢¤ë
¡Ö¥Ð¥°¤ÈÀ©¸Â¡×¤Î¥»¥¯¥·¥ç¥ó¤òÆɤó¤Ç³Î¤«¤á¤Æ¤Û¤·¤¤¡£
.PP
.\"O When a directory with the `D' attribute set is modified,
.\"O the changes are written synchronously on the disk; this is equivalent to
.\"O the `dirsync' mount option applied to a subset of the files.
`D' °À­¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë¥Ç¥£¥ì¥¯¥È¥ê¤Ï¡¢
Êѹ¹¤µ¤ì¤ë¤ÈƱ»þ¤Ë¥Ç¥£¥¹¥¯¤Ë¤â¤½¤ÎÆâÍƤ¬½ñ¤­¹þ¤Þ¤ì¤ë¡£
¤³¤ì¤Ï `dirsync' ¥Þ¥¦¥ó¥È¥ª¥×¥·¥ç¥ó¤ò¡¢
¤½¤ì¤é¤Î¥Õ¥¡¥¤¥ë¤À¤±¤ËŬÍѤ¹¤ë¤Î¤ÈƱ¤¸¤³¤È¤Ç¤¢¤ë¡£
.PP
.\"O A file with the `d' attribute set is not candidate for backup when the
.\"O .BR dump (8)
.\"O program is run.
`d'  °À­¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¤Ï¡¢
.BR dump (8)
¥×¥í¥°¥é¥à¤òµ¯Æ°¤·¤¿ºÝ¤Ë¥Ð¥Ã¥¯¥¢¥Ã¥×¤µ¤ì¤Ê¤¤¡£
.PP
.\"O The 'E' attribute is used by the experimental compression patches to 
.\"O indicate that a compressed file has a compression error.  It may not be
.\"O set or reset using 
.\"O .BR chattr (1),
.\"O although it can be displayed by
.\"O .BR lsattr (1).
`E' °À­¤Ï¼Â¸³Åª¤Ê°µ½Ì¥Ñ¥Ã¥Á¤¬ÍѤ¤¤ë¤â¤Î¤Ç¡¢
°µ½Ì¥Õ¥¡¥¤¥ë¤Ë°µ½Ì¥¨¥é¡¼¤¬¤¢¤ë¤³¤È¤ò¼¨¤¹¡£
¤³¤Î°À­¤Ï
.BR chattr (1)
¤Ë¤è¤Ã¤ÆÀßÄꤷ¤¿¤ê²ò½ü¤·¤¿¤ê¤¹¤ë¤³¤È¤Ï¤Ç¤­¤Ê¤¤¤¬¡¢
.BR lsattr (1)
¤òÍѤ¤¤Æɽ¼¨¤µ¤»¤ë¤³¤È¤Ï¤Ç¤­¤ë¡£
.PP
.\"O The 'I' attribute is used by the htree code to indicate that a directory
.\"O is behind indexed using hashed trees.  It may not be set or reset using 
.\"O .BR chattr (1),
.\"O although it can be displayed by
.\"O .BR lsattr (1).
`I' °À­¤Ï htree ¥³¡¼¥É¤Ë¤è¤Ã¤ÆÍѤ¤¤é¤ì¡¢
¥Ç¥£¥ì¥¯¥È¥ê¤¬¥Ï¥Ã¥·¥å¥Ä¥ê¡¼¤ò»È¤Ã¤Æº÷°ú¤òÉÕ¤±¤é¤ì¤ë¤³¤È¤ò¼¨¤¹¡£
¤³¤Î°À­¤Ï
.BR chattr (1)
¤Ë¤è¤Ã¤ÆÀßÄꤷ¤¿¤ê²ò½ü¤·¤¿¤ê¤¹¤ë¤³¤È¤Ï¤Ç¤­¤Ê¤¤¤¬¡¢
.BR lsattr (1)
¤òÍѤ¤¤Æɽ¼¨¤µ¤»¤ë¤³¤È¤Ï¤Ç¤­¤ë¡£
.PP
.\"O A file with the `i' attribute cannot be modified: it cannot be deleted or
.\"O renamed, no link can be created to this file and no data can be written
.\"O to the file.  Only the superuser or a process possessing the
.\"O CAP_LINUX_IMMUTABLE capability can set or clear this attribute.
`i' °À­¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¤Ï¡¢Êѹ¹¤¹¤ë¤³¤È¤¬¤Ç¤­¤Ê¤¤¡£
¤¹¤Ê¤ï¤Á¡¢ºï½ü¡¢Ì¾Á°¤ÎÊѹ¹¡¢¤³¤Î¥Õ¥¡¥¤¥ë¤ò»Ø¤¹¥ê¥ó¥¯¤ÎºîÀ®¡¢
¤³¤Î¥Õ¥¡¥¤¥ë¤ËÂФ¹¤ë¥Ç¡¼¥¿¤Î½ñ¤­¹þ¤ß¤¬¶Ø»ß¤µ¤ì¤ë¡£
¥¹¡¼¥Ñ¡¼¥æ¡¼¥¶¡¼¤Þ¤¿¤Ï
CAP_LINUX_IMMUTABLE ¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¤ò»ý¤Ä¥×¥í¥»¥¹¤À¤±¤¬¡¢
¤³¤Î°À­¤òÀßÄꡦ²ò½ü¤Ç¤­¤ë¡£
.PP
.\"O A file with the `j' attribute has all of its data written to the ext3
.\"O journal before being written to the file itself, if the filesystem is
.\"O mounted with the "data=ordered" or "data=writeback" options.  When the
.\"O filesystem is mounted with the "data=journal" option all file data
.\"O is already journalled and this attribute has no effect.  
`j' °À­¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¤Ï¡¢
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬ "data=ordered"  ¤Þ¤¿¤Ï "data=writeback" ¥ª¥×¥·¥ç¥ó¤Ç
¥Þ¥¦¥ó¥È¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¡¢
¥Õ¥¡¥¤¥ë¤½¤Î¤â¤Î¤Ë½ñ¤­½Ð¤µ¤ì¤ëÁ°¤Ë¡¢
ext3 ¤Î¥¸¥ã¡¼¥Ê¥ë¤Ë¥Ç¡¼¥¿¤¬½ñ¤­½Ð¤µ¤ì¤ë¡£
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬ "data=journal" ¥ª¥×¥·¥ç¥ó¤Ç¥Þ¥¦¥ó¥È¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¡¢
Á´¤Æ¤Î¥Õ¥¡¥¤¥ë¥Ç¡¼¥¿¤Ï´û¤Ë¥¸¥ã¡¼¥Ê¥ë¤Ëµ­Ï¿¤µ¤ì¤Æ¤¤¤ë¤Î¤Ç¡¢
¤³¤Î°À­¤Ï²¿¤â±Æ¶Á¤·¤Ê¤¤¡£
.\"O Only the superuser or a process possessing the CAP_SYS_RESOURCE
.\"O capability can set or clear this attribute.
¥¹¡¼¥Ñ¡¼¥æ¡¼¥¶¡¼¤Þ¤¿¤Ï
CAP_SYS_RESOURCE ¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¤ò»ý¤Ä¥×¥í¥»¥¹¤À¤±¤¬¡¢
¤³¤Î°À­¤òÀßÄꡦ²ò½ü¤Ç¤­¤ë¡£
.PP
.\"O When a file with the `s' attribute set is deleted, its blocks are zeroed
.\"O and written back to the disk.  Note: please make sure to read the bugs
.\"O and limitations section at the end of this document.
`s' °À­¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¤¬ºï½ü¤µ¤ì¤ë¤È¡¢
³ä¤êÅö¤Æ¤é¤ì¤Æ¤¤¤¿¥Ö¥í¥Ã¥¯¤ÎÃæ¿È¤¬ 0 ¤Ë¤µ¤ì¡¢¥Ç¥£¥¹¥¯¤Ë½ñ¤­Ìᤵ¤ì¤ë¡£
Ãí°Õ: ¤³¤Î¥É¥­¥å¥á¥ó¥È¤ÎºÇ¸å¤Ë¤¢¤ë
¡Ö¥Ð¥°¤ÈÀ©¸Â¡×¤Î¥»¥¯¥·¥ç¥ó¤òÆɤó¤Ç³Î¤«¤á¤Æ¤Û¤·¤¤¡£
.PP
.\"O When a file with the `S' attribute set is modified,
.\"O the changes are written synchronously on the disk; this is equivalent to
.\"O the `sync' mount option applied to a subset of the files.
`S' °À­¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¤¬Êѹ¹¤µ¤ì¤ë¤È¡¢
Êѹ¹¤ÏƱ´üŪ¤Ë¥Ç¥£¥¹¥¯¤Ë½ñ¤­¹þ¤Þ¤ì¤ë
(¤¹¤Ê¤ï¤ÁÊѹ¹¤¬Ä¾¤Á¤Ë¥Ç¥£¥¹¥¯¾å¤ËÈ¿±Ç¤µ¤ì¤ë)¡£
¤³¤ì¤Ï mount ¥ª¥×¥·¥ç¥ó¤Î `sync' ¤ò
¤½¤ì¤é¤Î¥Õ¥¡¥¤¥ë¤À¤±¤ËŬÍѤ¹¤ë¤Î¤ÈƱ¤¸¤³¤È¤Ç¤¢¤ë¡£
.PP
.\"O A directory with the 'T' attribute will be deemed to be the top of 
.\"O directory hierarchies for the purposes of the Orlov block allocator
.\"O (which is used in on systems with Linux 2.5.46 or later).
`T' °À­¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë¥Ç¥£¥ì¥¯¥È¥ê¤Ï¡¢
(Linux 2.5.46 °Ê¹ß¤Î¥·¥¹¥Æ¥à¤Ç»È¤ï¤ì¤ë)
Orlov ¥Ö¥í¥Ã¥¯¥¢¥í¥±¡¼¥¿¤Î¤¿¤á¤Î
¥Ç¥£¥ì¥¯¥È¥ê³¬ÁؤΥȥåפȤ·¤Æ°·¤ï¤ì¤ë¡£
.PP
.\"O A file with the 't' attribute will not have a partial block fragment at
.\"O the end of the file merged with other files (for those filesystems which
.\"O support tail-merging).  This is necessary for applications such as LILO 
.\"O which read the filesystem directly, and which don't understand tail-merged
.\"O files.  Note: As of this writing, the ext2 or ext3 filesystems do not
.\"O (yet, except in very experimental patches) support tail-merging.
`t' °À­¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¤Ï¡¢
¤½¤Î¥Õ¥¡¥¤¥ë¤¬Â¾¤Î¥Õ¥¡¥¤¥ë¤È¥Þ¡¼¥¸¤µ¤ì¤¿¤È¤­¤Ë
ÉôʬŪ¥Ö¥í¥Ã¥¯¤Î¥Õ¥é¥°¥á¥ó¥È¤òËöÈø¤Ëºî¤é¤Ê¤¤
(ËöÈø¥Þ¡¼¥¸ (tail-merging) ¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¾ì¹ç)¡£
¤³¤ì¤Ï LILO ¤Î¤è¤¦¤Ê¡¢¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤òľÀÜÆɤߤˤ¤¤­¡¢
¤«¤ÄËöÈø¥Þ¡¼¥¸¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¤Î¤³¤È¤òÍý²ò¤·¤Ê¤¤¤è¤¦¤Ê
¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤ËÂФ·¤ÆɬÍפȤʤ롣
Ãí: ¤³¤Î man ¥Ú¡¼¥¸¤ò½ñ¤¤¤Æ¤¤¤ë»þÅÀ¤Ç¡¢ext2 ¤È ext3 ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ï
(¤Þ¤ÀÈó¾ï¤Ë¼Â¸³Åª¤Ê¥Ñ¥Ã¥Á°Ê³°¤Ç¤Ï)
ËöÈø¥Þ¡¼¥¸¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Ê¤¤¡£
.PP
.\"O When a file with the `u' attribute set is deleted, its contents are
.\"O saved.  This allows the user to ask for its undeletion.  Note: please
.\"O make sure to read the bugs and limitations section at the end of this
.\"O document.
`u' °À­¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¤òºï½ü¤¹¤ë¤È¡¢
¤½¤ÎÆâÍƤÏÊݸ¤ì¤ë¡£
¤³¤ì¤Ë¤è¤ê¡¢¥æ¡¼¥¶¤¬¥Õ¥¡¥¤¥ë¤òÉü³è¤µ¤»¤ë¤³¤È¤¬²Äǽ¤Ë¤Ê¤ë¡£
Ãí°Õ: ¤³¤Î¥É¥­¥å¥á¥ó¥È¤ÎºÇ¸å¤Ë¤¢¤ë
¡Ö¥Ð¥°¤ÈÀ©¸Â¡×¤Î¥»¥¯¥·¥ç¥ó¤òÆɤó¤Ç³Î¤«¤á¤Æ¤Û¤·¤¤¡£
.PP
.\"O The 'X' attribute is used by the experimental compression patches to 
.\"O indicate that a raw contents of a compressed file can be accessed
.\"O directly.  It currently may not be set or reset using 
.\"O .BR chattr (1),
.\"O although it can be displayed by
.\"O .BR lsattr (1).
`X' °À­¤Ï¼Â¸³Åª¤Ê°µ½Ì¥Ñ¥Ã¥Á¤Ë¤è¤Ã¤ÆÍѤ¤¤é¤ì¡¢
°µ½Ì¥Õ¥¡¥¤¥ë¤ÎÆâÍƤ¬°µ½Ì¾õÂ֤ΤޤÞľÀÜ¥¢¥¯¥»¥¹²Äǽ¤Ç¤¢¤ë¤³¤È¤ò¼¨¤¹¡£
¤³¤Î°À­¤Ï¸½ºß¤Î¤È¤³¤í
.BR chattr (1)
¤Ë¤è¤Ã¤ÆÀßÄꤷ¤¿¤ê²ò½ü¤·¤¿¤ê¤¹¤ë¤³¤È¤Ï¤Ç¤­¤Ê¤¤¤¬¡¢
.BR lsattr (1)
¤òÍѤ¤¤Æɽ¼¨¤µ¤»¤ë¤³¤È¤Ï¤Ç¤­¤ë¡£
.PP
.\"O The 'Z' attribute is used by the experimental compression patches to 
.\"O indicate a compressed file is dirty.  It may not be set or reset using 
.\"O .BR chattr (1),
.\"O although it can be displayed by
.\"O .BR lsattr (1).
`Z' °À­¤Ï¼Â¸³Åª¤Ê°µ½Ì¥Ñ¥Ã¥Á¤Ë¤è¤Ã¤ÆÍѤ¤¤é¤ì¡¢
°µ½Ì¥Õ¥¡¥¤¥ë¤¬±øÀ÷¤µ¤ì¤Æ¤¤¤ë (dirty) ¤³¤È¤ò¼¨¤¹¡£
¤³¤Î°À­¤Ï
.BR chattr (1)
¤Ë¤è¤Ã¤ÆÀßÄꤷ¤¿¤ê²ò½ü¤·¤¿¤ê¤¹¤ë¤³¤È¤Ï¤Ç¤­¤Ê¤¤¤¬¡¢
.BR lsattr (1)
¤òÍѤ¤¤Æɽ¼¨¤µ¤»¤ë¤³¤È¤Ï¤Ç¤­¤ë¡£
.PP
.\"O .SH AUTHOR
.SH Ãø¼Ô
.\"O .B chattr
.\"O was written by Remy Card <Remy.Card@linux.org>.  It is currently being
.\"O maintained by Theodore Ts'o <tytso@alum.mit.edu>.
.B chattr 
¤Ï¡¢Remy Card <Remy.Card@linux.org> ¤Ë¤è¤Ã¤ÆºîÀ®¤µ¤ì¤¿¡£
¸½ºß¤Ï Theodore Ts'o <tytso@alum.mit.edu> ¤Ë¤è¤Ã¤Æ¥á¥ó¥Æ¥Ê¥ó¥¹¤µ¤ì¤Æ¤¤¤ë¡£
.\"O .SH BUGS AND LIMITATIONS
.SH ¥Ð¥°¤ÈÀ©¸Â
.\"O The `c', 's',  and `u' attributes are not honored 
.\"O by the ext2 and ext3 filesystems as implemented in the current mainline
.\"O Linux kernels.    These attributes may be implemented
.\"O in future versions of the ext2 and ext3 filesystems.
`c', 's', `u' °À­¤Ø¤ÎÂбþ¤Ï¡¢¸½ºß¼çή¤Ë¤Ê¤Ã¤Æ¤¤¤ë Linux ¥«¡¼¥Í¥ë¤Ç
¼ÂÁõ¤µ¤ì¤Æ¤¤¤ë ext2 ¤È ext3 ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ë´Þ¤Þ¤ì¤Æ¤¤¤Ê¤¤¡£
¤³¤ì¤é¤Î°À­¤Ï¾­Íè¤Î ext2 ¤È ext3 ¤Ë¼ÂÁõ¤µ¤ì¤ë¤«¤â¤·¤ì¤Ê¤¤¡£
.PP
.\"O The `j' option is only useful if the filesystem is mounted as ext3.
`j' ¥ª¥×¥·¥ç¥ó¤Ï¡¢ext3 ¤Ç¥Þ¥¦¥ó¥È¤µ¤ì¤¿
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ë¤Ä¤¤¤Æ¤Î¤ßÍ­¸ú¤Ç¤¢¤ë¡£
.PP
.\"O The `D' option is only useful on Linux kernel 2.5.19 and later.
`D' ¥ª¥×¥·¥ç¥ó¤Ï Linux ¥«¡¼¥Í¥ë 2.5.19 °Ê¹ß¤Ç¤Î¤ßÍøÍѤǤ­¤ë¡£
.\"O .SH AVAILABILITY
.SH Æþ¼êÊýË¡
.\"O .B chattr
.\"O is part of the e2fsprogs package and is available from
.\"O http://e2fsprogs.sourceforge.net.
.B chattr
¤Ï e2fsprogs ¥Ñ¥Ã¥±¡¼¥¸¤Î°ìÉô¤Ç¤¢¤ê¡¢
http://e2fsprogs.sourceforge.net ¤«¤éÆþ¼ê¤Ç¤­¤ë¡£
.\"O .SH SEE ALSO
.SH ´ØÏ¢¹àÌÜ
.BR lsattr (1)