dd\u547d\u4ee4\u505ausb\u542f\u52a8\u76d8\u5341\u5206\u65b9\u4fbf,\u53ea\u987b:sudo\ndd if=xxx.iso of=\/dev\/sdb bs=1m<\/p>\n
\u7528\u4ee5\u4e0a\u547d\u4ee4\u524d\u5fc5\u987b\u5378\u8f7du\u76d8,sdb\u662f\u4f60\u7684u\u76d8,bs=1M\u662f\u5757\u7684\u5927\u5c0f,\u540e\u9762\u7684\u6570\u503c\u5927,\u5199\u7684\u901f\u5ea6\u76f8\u5bf9\u5757\u4e00\u70b9,\u4f46\u4e5f\u4e0d\u662f\u65e0\u9650\u7684,\u6211\u4e00\u822c\u90092M,\u6ce8\u610f,\u6267\u884c\u547d\u4ee4\u540e\u5f88\u5757\u5b8c\u6210,\u4f46u\u76d8\u8fd8\u5728\u95ea,\u7b49\u4e0d\u95ea\u4e86,\u5b89\u5168\u79fb\u9664\u3002<\/p>\n
\u6ce8\u610f:\u4f60\u7684\u955c\u50cf\u9700\u8981\u652f\u6301dd\u547d\u4ee4\u3002<\/p>\n
dd\u547d\u4ee4\u7684\u89e3\u91ca\u3002<\/p>\n
\u5b9a\u4e49<\/p>\n
dd\u662fLinux\/UNIX\u00a0\u4e0b\u7684\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u547d\u4ee4,\u4f5c\u7528\u662f\u7528\u6307\u5b9a\u5927\u5c0f\u7684\u5757\u62f7\u8d1d\u4e00\u4e2a\u6587\u4ef6,\u5e76\u5728\u62f7\u8d1d\u7684\u540c\u65f6\u8fdb\u884c\u6307\u5b9a\u7684\u8f6c\u6362\u3002<\/p>\n
\u53c2\u6570<\/p>\n
if=\u6587\u4ef6\u540d:\u8f93\u5165\u6587\u4ef6\u540d,\u7f3a\u7701\u4e3a\u6807\u51c6\u8f93\u5165\u3002\u5373\u6307\u5b9a\u6e90\u6587\u4ef6\u3002< if=input file ><\/p>\n<\/li>\n
of=\u6587\u4ef6\u540d:\u8f93\u51fa\u6587\u4ef6\u540d,\u7f3a\u7701\u4e3a\u6807\u51c6\u8f93\u51fa\u3002\u5373\u6307\u5b9a\u76ee\u7684\u6587\u4ef6\u3002< of=output file ><\/p>\n<\/li>\n
ibs=bytes:\u4e00\u6b21\u8bfb\u5165bytes\u4e2a\u5b57\u8282,\u5373\u6307\u5b9a\u4e00\u4e2a\u5757\u5927\u5c0f\u4e3abytes\u4e2a\u5b57\u8282\u3002<\/p>\n<\/li>\n<\/ol>\n
obs=bytes:\u4e00\u6b21\u8f93\u51fabytes\u4e2a\u5b57\u8282,\u5373\u6307\u5b9a\u4e00\u4e2a\u5757\u5927\u5c0f\u4e3abytes\u4e2a\u5b57\u8282\u3002<\/p>\n
bs=bytes:\u540c\u65f6\u8bbe\u7f6e\u8bfb\u5165\/\u8f93\u51fa\u7684\u5757\u5927\u5c0f\u4e3abytes\u4e2a\u5b57\u8282\u3002<\/p>\n
cbs=bytes:\u4e00\u6b21\u8f6c\u6362bytes\u4e2a\u5b57\u8282,\u5373\u6307\u5b9a\u8f6c\u6362\u7f13\u51b2\u533a\u5927\u5c0f\u3002<\/p>\n<\/li>\n
skip=blocks:\u4ece\u8f93\u5165\u6587\u4ef6\u5f00\u5934\u8df3\u8fc7blocks\u4e2a\u5757\u540e\u518d\u5f00\u59cb\u590d\u5236\u3002<\/p>\n<\/li>\n
seek=blocks:\u4ece\u8f93\u51fa\u6587\u4ef6\u5f00\u5934\u8df3\u8fc7blocks\u4e2a\u5757\u540e\u518d\u5f00\u59cb\u590d\u5236\u3002<\/p>\n<\/li>\n<\/ol>\n
\u6ce8\u610f:\u901a\u5e38\u53ea\u7528\u5f53\u8f93\u51fa\u6587\u4ef6\u662f\u78c1\u76d8\u6216\u78c1\u5e26\u65f6\u624d\u6709\u6548,\u5373\u5907\u4efd\u5230\u78c1\u76d8\u6216\u78c1\u5e26\u65f6\u624d\u6709\u6548\u3002<\/p>\n
count=blocks:\u4ec5\u62f7\u8d1dblocks\u4e2a\u5757,\u5757\u5927\u5c0f\u7b49\u4e8eibs\u6307\u5b9a\u7684\u5b57\u8282\u6570\u3002<\/p>\n<\/li>\n
conv=conversion:\u7528\u6307\u5b9a\u7684\u53c2\u6570\u8f6c\u6362\u6587\u4ef6\u3002<\/p>\n<\/li>\n<\/ol>\n
ascii:\u8f6c\u6362ebcdic\u4e3aascii<\/p>\n
ebcdic:\u8f6c\u6362ascii\u4e3aebcdic<\/p>\n
ibm:\u8f6c\u6362ascii\u4e3aalternate\u00a0ebcdic<\/p>\n
block:\u628a\u6bcf\u4e00\u884c\u8f6c\u6362\u4e3a\u957f\u5ea6\u4e3acbs,\u4e0d\u8db3\u90e8\u5206\u7528\u7a7a\u683c\u586b\u5145<\/p>\n
unblock:\u4f7f\u6bcf\u4e00\u884c\u7684\u957f\u5ea6\u90fd\u4e3acbs,\u4e0d\u8db3\u90e8\u5206\u7528\u7a7a\u683c\u586b\u5145<\/p>\n
lcase:\u628a\u5927\u5199\u5b57\u7b26\u8f6c\u6362\u4e3a\u5c0f\u5199\u5b57\u7b26<\/p>\n
ucase:\u628a\u5c0f\u5199\u5b57\u7b26\u8f6c\u6362\u4e3a\u5927\u5199\u5b57\u7b26<\/p>\n
swab:\u4ea4\u6362\u8f93\u5165\u7684\u6bcf\u5bf9\u5b57\u8282<\/p>\n
noerror:\u51fa\u9519\u65f6\u4e0d\u505c\u6b62<\/p>\n
notrunc:\u4e0d\u622a\u77ed\u8f93\u51fa\u6587\u4ef6<\/p>\n
sync:\u5c06\u6bcf\u4e2a\u8f93\u5165\u5757\u586b\u5145\u5230ibs\u4e2a\u5b57\u8282,\u4e0d\u8db3\u90e8\u5206\u7528\u7a7a(NUL)\u5b57\u7b26\u8865\u9f50\u3002<\/p>\n
\u7f16\u8f91\u672c\u6bb5dd\u5e94\u7528\u5b9e\u4f8b\u3002<\/p>\n
1.\u5c06\u672c\u5730\u7684\/dev\/hdb\u6574\u76d8\u5907\u4efd\u5230\/dev\/hdd<\/p>\n
dd if=\/dev\/hdb of=\/dev\/hdd<\/p>\n
2.\u5c06\/dev\/hdb\u5168\u76d8\u6570\u636e\u5907\u4efd\u5230\u6307\u5b9a\u8def\u5f84\u7684image\u6587\u4ef6<\/p>\n
dd if=\/dev\/hdb of=\/root\/image<\/p>\n
3.\u5c06\u5907\u4efd\u6587\u4ef6\u6062\u590d\u5230\u6307\u5b9a\u76d8<\/p>\n
dd if=\/root\/image of=\/dev\/hdb<\/p>\n
4.\u5907\u4efd\/dev\/hdb\u5168\u76d8\u6570\u636e,\u5e76\u5229\u7528gzip\u5de5\u5177\u8fdb\u884c\u538b\u7f29,\u4fdd\u5b58\u5230\u6307\u5b9a\u8def\u5f84<\/p>\n
dd if=\/dev\/hdb | gzip > \/root\/image.gz<\/p>\n
5.\u5c06\u538b\u7f29\u7684\u5907\u4efd\u6587\u4ef6\u6062\u590d\u5230\u6307\u5b9a\u76d8<\/p>\n
gzip -dc \/root\/image.gz | dd of=\/dev\/hdb<\/p>\n
6.\u5907\u4efd\u78c1\u76d8\u5f00\u59cb\u7684512\u4e2a\u5b57\u8282\u5927\u5c0f\u7684MBR\u4fe1\u606f\u5230\u6307\u5b9a\u6587\u4ef6<\/p>\n
dd if=\/dev\/hda of=\/root\/image count=1 bs=512<\/p>\n
count=1\u6307\u4ec5\u62f7\u8d1d\u4e00\u4e2a\u5757;bs=512\u6307\u5757\u5927\u5c0f\u4e3a512\u4e2a\u5b57\u8282\u3002<\/p>\n
\u6062\u590d:dd if=\/root\/image of=\/dev\/hda<\/p>\n
7.\u5907\u4efd\u8f6f\u76d8<\/p>\n
dd if=\/dev\/fd0 of=disk.img count=1 bs=1440k (\u5373\u5757\u5927\u5c0f\u4e3a1.44M)<\/p>\n
8.\u62f7\u8d1d\u5185\u5b58\u5185\u5bb9\u5230\u786c\u76d8<\/p>\n
dd if=\/dev\/mem of=\/root\/mem.bin bs=1024 (\u6307\u5b9a\u5757\u5927\u5c0f\u4e3a1k)<\/p>\n
9.\u62f7\u8d1d\u5149\u76d8\u5185\u5bb9\u5230\u6307\u5b9a\u6587\u4ef6\u5939,\u5e76\u4fdd\u5b58\u4e3acd.iso\u6587\u4ef6<\/p>\n
dd if=\/dev\/cdrom(hdc) of=\/root\/cd.iso<\/p>\n
10.\u589e\u52a0swap\u5206\u533a\u6587\u4ef6\u5927\u5c0f<\/p>\n
\u7b2c\u4e00\u6b65:\u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a256M\u7684\u6587\u4ef6:<\/p>\n
dd if=\/dev\/zero of=\/swapfile bs=1024 count=262144<\/p>\n
\u7b2c\u4e8c\u6b65:\u628a\u8fd9\u4e2a\u6587\u4ef6\u53d8\u6210swap\u6587\u4ef6:<\/p>\n
mkswap\u00a0\/swapfile<\/p>\n
\u7b2c\u4e09\u6b65:\u542f\u7528\u8fd9\u4e2aswap\u6587\u4ef6:<\/p>\n
swapon \/swapfile<\/p>\n
\u7b2c\u56db\u6b65:\u7f16\u8f91\/etc\/fstab\u6587\u4ef6,\u4f7f\u5728\u6bcf\u6b21\u5f00\u673a\u65f6\u81ea\u52a8\u52a0\u8f7dswap\u6587\u4ef6:<\/p>\n
\/swapfile swap swap default 0 0<\/p>\n
11.\u9500\u6bc1\u78c1\u76d8\u6570\u636e<\/p>\n
dd if=\/dev\/urandom of=\/dev\/hda1<\/p>\n
\u6ce8\u610f:\u5229\u7528\u968f\u673a\u7684\u6570\u636e\u586b\u5145\u786c\u76d8,\u5728\u67d0\u4e9b\u5fc5\u8981\u7684\u573a\u5408\u53ef\u4ee5\u7528\u6765\u9500\u6bc1\u6570\u636e\u3002<\/p>\n
12.\u6d4b\u8bd5\u786c\u76d8\u7684\u8bfb\u5199\u901f\u5ea6<\/p>\n
dd if=\/dev\/zero bs=1024 count=1000000 of=\/root\/1Gb.file<\/p>\n
dd if=\/root\/1Gb.file bs=64k | dd of=\/dev\/null<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u4e24\u4e2a\u547d\u4ee4\u8f93\u51fa\u7684\u547d\u4ee4\u6267\u884c\u65f6\u95f4,\u53ef\u4ee5\u8ba1\u7b97\u51fa\u786c\u76d8\u7684\u8bfb\u3001\u5199\u901f\u5ea6\u3002<\/p>\n
13.\u786e\u5b9a\u786c\u76d8\u7684\u6700\u4f73\u5757\u5927\u5c0f:<\/p>\n
dd if=\/dev\/zero bs=1024 count=1000000 of=\/root\/1Gb.file<\/p>\n
dd if=\/dev\/zero bs=2048 count=500000 of=\/root\/1Gb.file<\/p>\n
dd if=\/dev\/zero bs=4096 count=250000 of=\/root\/1Gb.file<\/p>\n
dd if=\/dev\/zero bs=8192 count=125000 of=\/root\/1Gb.file<\/p>\n
\u901a\u8fc7\u6bd4\u8f83\u4ee5\u4e0a\u547d\u4ee4\u8f93\u51fa\u4e2d\u6240\u663e\u793a\u7684\u547d\u4ee4\u6267\u884c\u65f6\u95f4,\u5373\u53ef\u786e\u5b9a\u7cfb\u7edf\u6700\u4f73\u7684\u5757\u5927\u5c0f\u3002<\/p>\n
14.\u4fee\u590d\u786c\u76d8<\/p>\n
dd if=\/dev\/sda of=\/dev\/sda<\/p>\n
\u5f53\u786c\u76d8\u8f83\u957f\u65f6\u95f4(\u6bd4\u59821,2\u5e74)\u653e\u7f6e\u4e0d\u4f7f\u7528\u540e,\u78c1\u76d8\u4e0a\u4f1a\u4ea7\u751fmagnetic fluxpoint\u3002\u5f53\u78c1\u5934\u8bfb\u5230\u8fd9\u4e9b\u533a\u57df\u65f6\u4f1a\u9047\u5230\u56f0\u96be,\u5e76\u53ef\u80fd\u5bfc\u81f4I\/O\u9519\u8bef\u3002\u5f53\u8fd9\u79cd\u60c5\u51b5\u5f71\u54cd\u5230\u786c\u76d8\u7684\u7b2c\u4e00\u4e2a\u6247\u533a\u65f6,\u53ef\u80fd\u5bfc\u81f4\u786c\u76d8\u62a5\u5e9f\u3002\u4e0a\u8fb9\u7684\u547d\u4ee4\u6709\u53ef\u80fd\u4f7f\u8fd9\u4e9b\u6570\u636e\u8d77\u6b7b\u56de\u751f\u3002\u4e14\u8fd9\u4e2a\u8fc7\u7a0b\u662f\u5b89\u5168,\u9ad8\u6548\u7684\u3002<\/p>","protected":false},"excerpt":{"rendered":"
dd\u547d\u4ee4\u505ausb\u542f\u52a8\u76d8\u5341\u5206\u65b9\u4fbf,\u53ea\u987b:sudo dd if=xxx.iso of=\/dev\/sdb bs=1m \u7528\u4ee5\u4e0a\u547d\u4ee4\u524d\u5fc5\u987b\u5378\u8f7du\u76d8,sdb\u662f\u4f60\u7684u\u76d8,bs=1M\u662f\u5757\u7684\u5927\u5c0f,\u540e\u9762\u7684\u6570\u503c\u5927,\u5199\u7684\u901f\u5ea6...<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,340],"tags":[473],"class_list":["post-1528","post","type-post","status-publish","format-standard","hentry","category-linux","category-mac-os","tag-dd"],"_links":{"self":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts\/1528","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/comments?post=1528"}],"version-history":[{"count":2,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts\/1528\/revisions"}],"predecessor-version":[{"id":1530,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts\/1528\/revisions\/1530"}],"wp:attachment":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/media?parent=1528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/categories?post=1528"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/tags?post=1528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}