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.\" You may copy, distribute and modify under the terms of the LDP General
.\" Public License as specified in the LICENSE file that comes with the
.\" gnumaniak distribution
.\"
.\" The author kindly requests that no comments regarding the "better"
.\" suitability or up-to-date notices of any info documentation alternative
.\" is added without contacting him first.
.\"
.\" (C) 2002 Ragnar Hojland Espinosa <ragnar@ragnar-hojland.com>
.\"
.\" GNU shred man page
.\" man pages are NOT obsolete!
.\" <ragnar@ragnar-hojland.com>
.\"
.\" Japanese Version Copyright (c) 2003 Yuichi SATO
.\" all rights reserved.
.\" Translated Sun Apr 27 22:01:01 JST 2003
.\" by Yuichi SATO <ysato444@yahoo.co.jp>
.\"
.TH SHRED 1 "18 June 2002" "GNU fileutils 4.1"
.SH ̾
\fBshred\fR \- ե֤
.SH
.BR "shred " [ \-\fIITERS\fB "] [" \-fuvxz "] [" "\-n \fIITERS\fB "] [" "\-s \fISIZE\fR "] "
.RB [ \-\-force "] [" \-\-iterations=\fIITER\fB "] [" \-\-size=\fISIZE\fB "] "
.RB [ \-\-remove "] [" \-\-verbose "] [" \-\-exact "] [" \-\-zero "] "
.I FILE\fR[\fB...\fR]
.BR shred " [" \-\-help "] [" \-\-version ]
.SH
.B shred
ϻꤵ줿ե \fIFILE\fR
̤ʥѥǷ֤
ǡ줬꺤ˤʤ褦ˤ롣
.I FILE
.RB ` \- '
ξ硢ϥեȤɸϤȤ롣
\fBshred\fR ϥեؤμºݤν
(: ԤäǥХ)
Ʊǵ뤳Ȥꤷư뤬
(ȥե륷ƥࡦʬե륷ƥࡦ
⡼ȥե륷ƥǤ)
ߤƱǵʤǽ⤢Τդ뤳ȡ
ޤ (RAID ѤƤ) ǥХ (/dev/hda ʤ)
\fBshred\fR Ѥȡ
RAID Ϥ¾ΥǥХФƤƱ褦˹Ԥ
.SH ץ
.TP
.B "\-f, \-\-force"
ǽǤСѡߥå̵뤹롣
.TP
.B "\-\fIITERS\fB, \-n \fIITERS\fB, \-\-iterations=\fIITERS\fB"
\fIITERS\fR ֤롣(ǥե: 25)
.TP
.B "\-s \fISIZE\fR, \-\-size=\fISIZE\fR"
\fISIZE\fR ХȤΤߤڤڤˤ롣
ˤϾʸȤȤǤ ()
.TP
.B "\-u, \-\-remove"
\fBshred\fR ¹Ԥ塢ڤͤ (truncate) 롣
.TP
.B "\-v, \-\-verbose"
ĽΥåɽ롣
.TP
.B "\-x, \-\-exact"
֥åʾ˥ե륵礭ʤ
.TP
.B "\-z, \-\-zero"
\fBshred\fR ¹Ԥ塢NUL Ǿ롣
.TP
.B "\-\-help"
ɸϤ˻ˡΥåϤｪλ롣
.TP
.B "\-\-version"
ɸϤ˥СϤｪλ롣
.SH
ͤθˤϾꤹ륵ʸȡ
̾ΥХȤ \fBB\fR
ޤ 10 ʤΡ־ѡץХȤ \fBD\fR ³Ƥ褤
㤨 `1KB' `1024' `1KD' `1000' Ǥ롣
\fBb\fR (512 Х), \fBc\fR (1 Х),
\fBw\fR (ϻѤ٤Ǥʤ - System V Ǥ 2
4.2BSD Ǥ 4 ̣) 㳰Ǥꡢ
\fBB\fR \fBD\fR ³뤳ȤϤǤʤ
.TP
.B k
: ̾ΥХȤʤ 2^10 = 1024
10 ʤΥХȤʤ 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 Ϣ
Peter Gutmann ʸ `Secure Deletion of Data from Magnetic and Solid-State
Memory', ŵ the proceedings of the Sixth USENIX Security Symposium (San
Jose, California, 22-25 July, 1996)
ʸ
http://www.cs.auckland.ac.nz/~pgut001/pubs/secure_del.html
饪饤Ǥ롣
.SH
ץΥХ bug-fileutils@gnu.org 𤷤Ƥ
.br
man ڡ Ragnar Hojland Espinosa
<ragnar@ragnar-hojland.com>
|
