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📁 一份很好的linux入门资料
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<HTML><HEAD>  <TITLE>BBS水木清华站∶精华区</TITLE></HEAD><BODY><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER>发信人:&nbsp;linuxrat&nbsp;(竹剑居士*农大历史上最差的学生),&nbsp;信区:&nbsp;Linux&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR>标&nbsp;&nbsp;题:&nbsp;挽救已遭破坏的分区表[FWD]&nbsp;<BR>发信站:&nbsp;BBS&nbsp;水木清华站&nbsp;(Thu&nbsp;Feb&nbsp;&nbsp;3&nbsp;11:32:50&nbsp;2000)&nbsp;<BR>&nbsp;<BR>&nbsp;想来不小心的道友经常会碰上这种事情,&nbsp;这里提供一篇文章,&nbsp;参考一下吧.&nbsp;<BR>&nbsp;不过我的习惯总是fdisk&nbsp;-l&nbsp;/dev/hdX&nbsp;&gt;&nbsp;hdX.info.&nbsp;备份起来就高枕无忧了.&nbsp;<BR>&nbsp;预防为主么,&nbsp;不要等到出了问题才慌张哦.&nbsp;防患于未然啦.&nbsp;呵呵...&nbsp;<BR>&nbsp;URL:<A HREF="http://www.linuxforum.com/plug/articles/partition.html">http://www.linuxforum.com/plug/articles/partition.html</A>&nbsp;<BR>===Begin===&nbsp;<BR>&nbsp;&nbsp;&nbsp;Partition&nbsp;Disaster&nbsp;Recovery&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;If&nbsp;you&nbsp;have&nbsp;attempted&nbsp;an&nbsp;install&nbsp;of&nbsp;a&nbsp;RedHat/Mandrake&nbsp;distribution&nbsp;and&nbsp;<BR>&nbsp;&nbsp;&nbsp;you&nbsp;are&nbsp;dual-booting&nbsp;another&nbsp;operating&nbsp;system&nbsp;(like&nbsp;MS&nbsp;Windows),&nbsp;you&nbsp;<BR>&nbsp;&nbsp;&nbsp;may&nbsp;have&nbsp;trashed&nbsp;your&nbsp;partition&nbsp;table&nbsp;and&nbsp;can&nbsp;no&nbsp;longer&nbsp;access&nbsp;MS&nbsp;<BR>&nbsp;&nbsp;&nbsp;Windows.&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;There&nbsp;is&nbsp;a&nbsp;Linux&nbsp;Partition-Rescue&nbsp;mini-HOWTO,&nbsp;but&nbsp;it&nbsp;seems&nbsp;slightly&nbsp;<BR>&nbsp;&nbsp;&nbsp;askew&nbsp;to&nbsp;me,&nbsp;telling&nbsp;you&nbsp;to&nbsp;find&nbsp;Partition&nbsp;Magic,&nbsp;a&nbsp;commercial&nbsp;<BR>&nbsp;&nbsp;&nbsp;program,&nbsp;&quot;on&nbsp;the&nbsp;internet&quot;,&nbsp;and&nbsp;having&nbsp;used&nbsp;the&nbsp;program&nbsp;Partition&nbsp;<BR>&nbsp;&nbsp;&nbsp;Magic,&nbsp;I&nbsp;don't&nbsp;think&nbsp;it&nbsp;could&nbsp;do&nbsp;it&nbsp;as&nbsp;well&nbsp;as&nbsp;this&nbsp;article.&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;But&nbsp;fear&nbsp;not,&nbsp;there&nbsp;is&nbsp;a&nbsp;way&nbsp;to&nbsp;recover.&nbsp;Essentially,&nbsp;you&nbsp;will&nbsp;be&nbsp;<BR>&nbsp;&nbsp;&nbsp;using&nbsp;Linux&nbsp;fdisk&nbsp;to&nbsp;rebuild&nbsp;your&nbsp;partition&nbsp;table.&nbsp;If&nbsp;you&nbsp;get&nbsp;it&nbsp;<BR>&nbsp;&nbsp;&nbsp;correct,&nbsp;your&nbsp;partitions&nbsp;are&nbsp;restored.&nbsp;The&nbsp;reason&nbsp;this&nbsp;works&nbsp;is&nbsp;that&nbsp;<BR>&nbsp;&nbsp;&nbsp;Linux&nbsp;fdisk&nbsp;does&nbsp;not&nbsp;automatically&nbsp;format&nbsp;the&nbsp;partition&nbsp;when&nbsp;it&nbsp;is&nbsp;<BR>&nbsp;&nbsp;&nbsp;created;&nbsp;you&nbsp;need&nbsp;to&nbsp;give&nbsp;a&nbsp;separate&nbsp;command&nbsp;for&nbsp;that&nbsp;in&nbsp;Linux,&nbsp;<BR>&nbsp;&nbsp;&nbsp;because&nbsp;you&nbsp;have&nbsp;many&nbsp;choices&nbsp;as&nbsp;to&nbsp;how&nbsp;to&nbsp;format&nbsp;the&nbsp;partition.&nbsp;MS&nbsp;<BR>&nbsp;&nbsp;&nbsp;fdisk&nbsp;just&nbsp;creates&nbsp;a&nbsp;new&nbsp;table&nbsp;and&nbsp;formats&nbsp;at&nbsp;teh&nbsp;same&nbsp;time.&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;Like&nbsp;most&nbsp;recovery&nbsp;strategies,&nbsp;it&nbsp;helps&nbsp;if&nbsp;you&nbsp;plan&nbsp;ahead.&nbsp;If&nbsp;you&nbsp;are&nbsp;<BR>&nbsp;&nbsp;&nbsp;reading&nbsp;this&nbsp;before&nbsp;the&nbsp;fact,&nbsp;here&nbsp;is&nbsp;what&nbsp;you&nbsp;should&nbsp;do:&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Run&nbsp;Linux&nbsp;fdisk&nbsp;with&nbsp;the&nbsp;-l&nbsp;option,&nbsp;like&nbsp;this:&nbsp;fdisk&nbsp;/dev/hda&nbsp;-l&nbsp;&gt;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/tmp/hdaconfig.txt&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;This&nbsp;generates&nbsp;a&nbsp;file&nbsp;that&nbsp;contains&nbsp;teh&nbsp;same&nbsp;info&nbsp;as&nbsp;if&nbsp;you&nbsp;ran&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fdisk&nbsp;/dev/hda&nbsp;and&nbsp;used&nbsp;the&nbsp;p&nbsp;copmmand&nbsp;to&nbsp;see&nbsp;the&nbsp;drive&nbsp;partition&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;information.&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Print&nbsp;this&nbsp;information&nbsp;out&nbsp;and&nbsp;save&nbsp;it-&nbsp;it&nbsp;can&nbsp;come&nbsp;in&nbsp;very&nbsp;handy.&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Practice&nbsp;with&nbsp;any&nbsp;recoery&nbsp;tools&nbsp;you&nbsp;may&nbsp;need&nbsp;to&nbsp;use.&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;The&nbsp;Magic&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Boot&nbsp;to&nbsp;Linux&nbsp;(you&nbsp;can&nbsp;use&nbsp;an&nbsp;all-on-a-floppy&nbsp;distro&nbsp;like&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;tomsrtbt).&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Run&nbsp;fdisk&nbsp;/dev/hda&nbsp;at&nbsp;the&nbsp;prompt&nbsp;after&nbsp;you&nbsp;log&nbsp;on.&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Using&nbsp;the&nbsp;information&nbsp;that&nbsp;you&nbsp;had&nbsp;prviously&nbsp;saved,&nbsp;re-create&nbsp;the&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;partition&nbsp;table&nbsp;exactly,&nbsp;including&nbsp;parition&nbsp;types&nbsp;(fat32,&nbsp;ext2,&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;etc.)&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Use&nbsp;the&nbsp;w&nbsp;command&nbsp;to&nbsp;write&nbsp;the&nbsp;new&nbsp;partition&nbsp;table&nbsp;and&nbsp;exit&nbsp;fdisk.&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;If&nbsp;your&nbsp;MBR&nbsp;is&nbsp;messed&nbsp;up,&nbsp;boot&nbsp;to&nbsp;the&nbsp;Windows&nbsp;Emergency&nbsp;Boot&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Disk(you&nbsp;did&nbsp;make&nbsp;one,&nbsp;didn't&nbsp;you?)&nbsp;and&nbsp;run&nbsp;fdisk&nbsp;/mbr&nbsp;to&nbsp;restore&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the&nbsp;MS&nbsp;master&nbsp;boot&nbsp;record.&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Re-boot&nbsp;and&nbsp;Windows&nbsp;should&nbsp;be&nbsp;back.&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;You&nbsp;can&nbsp;use&nbsp;you&nbsp;Linux&nbsp;boot&nbsp;disk&nbsp;(you&nbsp;did&nbsp;make&nbsp;one,&nbsp;didn't&nbsp;you?)&nbsp;to&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;boot&nbsp;to&nbsp;your&nbsp;Linux&nbsp;install&nbsp;and&nbsp;run&nbsp;/sbin/lilo&nbsp;to&nbsp;restore&nbsp;lilo&nbsp;to&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the&nbsp;mbr&nbsp;if&nbsp;needed.&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;HELP&nbsp;-&nbsp;I&nbsp;didn't&nbsp;make&nbsp;a&nbsp;MS&nbsp;Windows&nbsp;Emergency&nbsp;Boot&nbsp;Disk&nbsp;or&nbsp;Don't&nbsp;Have&nbsp;a&nbsp;<BR>&nbsp;&nbsp;&nbsp;Bootable&nbsp;DOS&nbsp;Disk&nbsp;With&nbsp;MS&nbsp;fdisk!&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;You&nbsp;can:&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Borrow&nbsp;one&nbsp;from&nbsp;a&nbsp;friend.&nbsp;Remember&nbsp;to&nbsp;thank&nbsp;them.&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Begin&nbsp;the&nbsp;MS&nbsp;Windows&nbsp;install&nbsp;on&nbsp;another&nbsp;computer&nbsp;and&nbsp;go&nbsp;only&nbsp;as&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;far&nbsp;as&nbsp;the&nbsp;&quot;Create&nbsp;and&nbsp;Emergency&nbsp;Boot&nbsp;Disk&quot;&nbsp;section.&nbsp;(If&nbsp;you&nbsp;stop&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;there,&nbsp;it&nbsp;won't&nbsp;mess&nbsp;up&nbsp;the&nbsp;existing&nbsp;insttall&nbsp;of&nbsp;MS&nbsp;WIndows&nbsp;on&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;that&nbsp;machine&nbsp;-&nbsp;don't&nbsp;do&nbsp;anything&nbsp;stupid.&nbsp;OK?)&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Use&nbsp;FREEDOS&nbsp;.&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;HELP&nbsp;-&nbsp;I&nbsp;didn't&nbsp;make&nbsp;a&nbsp;Linux&nbsp;Boot&nbsp;Disk!&nbsp;<BR>(这个tomsrtbt可以在<A HREF="http://www.toms.net/rb/home.html找到,">http://www.toms.net/rb/home.html找到,</A>&nbsp;其实也就是一个&nbsp;<BR>&nbsp;rescue盘之类的东东啦.&nbsp;)&nbsp;<BR>&nbsp;&nbsp;&nbsp;You&nbsp;can&nbsp;get&nbsp;tomsrtbt&nbsp;,&nbsp;the&nbsp;install/utility&nbsp;disk&nbsp;from&nbsp;Peanut&nbsp;Linux,&nbsp;<BR>&nbsp;&nbsp;&nbsp;AIRMID&nbsp;Linux&nbsp;or&nbsp;something&nbsp;similar,&nbsp;then&nbsp;boot&nbsp;your&nbsp;Linux&nbsp;of&nbsp;choice.&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;From&nbsp;the&nbsp;lilo&nbsp;prompt&nbsp;of&nbsp;Peanut&nbsp;and&nbsp;AIRMID,&nbsp;you&nbsp;can&nbsp;try&nbsp;lilo&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;root=/dev/hdax&nbsp;ro&nbsp;,where&nbsp;x&nbsp;is&nbsp;the&nbsp;partition&nbsp;number&nbsp;of&nbsp;your&nbsp;Linux&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;partition.&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;For&nbsp;tomsrtbt,&nbsp;you&nbsp;need&nbsp;to&nbsp;mount&nbsp;the&nbsp;Linux&nbsp;partition&nbsp;from&nbsp;your&nbsp;hard&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;drive&nbsp;by:&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mkdir&nbsp;/mnt/linux&nbsp;#this&nbsp;is&nbsp;to&nbsp;create&nbsp;a&nbsp;mount&nbsp;point&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mount&nbsp;-t&nbsp;ext2&nbsp;/dev/hdax&nbsp;/mnt/linux&nbsp;#this&nbsp;mounts&nbsp;an&nbsp;ext2&nbsp;partition&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;known&nbsp;as&nbsp;hdax&nbsp;(where&nbsp;x&nbsp;is&nbsp;the&nbsp;number&nbsp;of&nbsp;the&nbsp;partition)&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/lilo&nbsp;-r&nbsp;/mnt/linux/etc&nbsp;#this&nbsp;causes&nbsp;tomsrtbt&nbsp;to&nbsp;run&nbsp;lilo&nbsp;using&nbsp;the&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;configuration&nbsp;in&nbsp;you&nbsp;hard&nbsp;drive&nbsp;partition,&nbsp;writing&nbsp;you&nbsp;lilo&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;information&nbsp;to&nbsp;your&nbsp;mbr.&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;This&nbsp;article&nbsp;is&nbsp;a&nbsp;work&nbsp;in&nbsp;progress.&nbsp;I&nbsp;would&nbsp;appreciate&nbsp;you&nbsp;feedback.&nbsp;<BR>&nbsp;<BR>===End=====&nbsp;<BR>--&nbsp;<BR>&nbsp;//sigh,&nbsp;签名档太长会浪费空间,&nbsp;所以放到个人说明档里面去了。呵呵...&nbsp;<BR>&nbsp;我转载的一切文章,&nbsp;版权归相应的作者所有。&nbsp;<BR>&nbsp;<BR>※&nbsp;修改:·linuxrat&nbsp;於&nbsp;Feb&nbsp;&nbsp;3&nbsp;15:02:07&nbsp;修改本文·[FROM:&nbsp;202.112.168.253]&nbsp;<BR>※&nbsp;来源:·BBS&nbsp;水木清华站&nbsp;smth.org·[FROM:&nbsp;202.112.168.253]&nbsp;<BR><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER></BODY></HTML>

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