{"id":235,"date":"2018-06-15T06:28:00","date_gmt":"2018-06-14T22:28:00","guid":{"rendered":"https:\/\/yeslq.com\/201806235.html"},"modified":"2019-05-07T10:38:12","modified_gmt":"2019-05-07T02:38:12","slug":"linuxdd","status":"publish","type":"post","link":"https:\/\/yeslq.com\/?p=235","title":{"rendered":"Linux\u4e0b\u901a\u8fc7dd\u547d\u4ee4\u751f\u6210\u6307\u5b9a\u5927\u5c0f\u6587\u4ef6"},"content":{"rendered":"<p>\n\u4e4b\u524d\u7ecf\u5e38\u4f1a\u7528\u5230\u4e0b\u8f7d\u6d4b\u8bd5\uff0c\u8d77\u521d\u90fd\u662f\u5148\u4e0b\u8f7d\u4e00\u4e2a\u5927\u4e00\u70b9\u7684\u6587\u4ef6\u5230\u670d\u52a1\u5668\u4e0a\uff0c\u7136\u540e\u518d\u7528\u8fd9\u4e2a\u6587\u4ef6\u6765\u4f5c\u4e3a\u4e0b\u8f7d\u6d4b\u901f\u7528\uff0c\u540e\u6765\u63a5\u89e6\u5230dd\u8fd9\u4e2a\u547d\u4ee4\uff0c\u624d\u53d1\u73b0\u8fd9\u662f\u4e00\u4ef6\u5f88\u5bb9\u6613\u7684\u4e8b\u60c5\uff0c\u5b8c\u5168\u6ca1\u5fc5\u8981\u4e0b\u8f7d\u6587\u4ef6\u6765\u8f6c\u5b58\u6d4b\u901f<\/p>\n<p>\u901a\u5e38\u6211\u53ea\u7528\u4e00\u6761\u547d\u4ee4\u5373\u53ef\u641e\u5b9a<br \/>\ndd if=\/dev\/zero of=test.100MB bs=1M count=100<\/p>\n<p>\u8fd9\u6837\u76f4\u63a5\u4f1a\u751f\u6210\u4e00\u4e2a\u6587\u4ef6\u540d\u4e3atest.100MB\u7684\u6587\u4ef6\u6765\u6d4b\u901f\u4f7f\u7528<\/p>\n<p>\u7b80\u5355\u8bf4\u4e0b\u539f\u7406<\/p>\n<p>dd\uff1a\u64cd\u4f5c\u547d\u4ee4<br \/>\nif=\/dev\/zero\uff1a\u8f93\u5165\u6587\u4ef6\u8def\u5f84\u6216\u540d\u79f0\uff0c\/dev\/zero&nbsp; \u4f1a\u751f\u6210\u4e8c\u8fdb\u5236\u76840<br \/>\nof=test.100MB\uff1a\u8f93\u51fa\u6587\u4ef6\u8def\u5f84\u6216\u540d\u79f0\uff0c\u751f\u6210\u6587\u4ef6\u540d\u4e3atest.100MB\u7684\u6587\u4ef6<br \/>\nbs=1M\uff1a\u5199\u5165\u5b57\u8282\u7684\u5927\u5c0f\uff0c\u6b64\u5904\u4e3a1MB\uff0c\u4e5f\u53ef\u4ee5\u5199K,G\u7b49<br \/>\ncount=100\uff1abs=1M\u5199\u5165\u7684\u6b21\u6570\uff0c\u8fd9\u91cc\u7684100\u8868\u793a\u5c061M\u5199100\u6b21\uff0c\u90a3\u4e48\u5c31\u662f100MB<\/p>\n<p>\n\u5168\u90e8\u547d\u4ee4\u8054\u7cfb\u8d77\u6765\u5c31\u662f<\/p>\n<p>dd if=\/dev\/zero of=test.100MB bs=1M count=100<\/p>\n<p>\u4ece\/dev\/zero\u5904\u8bfb\u53d6\u4e8c\u8fdb\u52360\uff0c\u4ee5\u6bcf\u6b211M\u5927\u5c0f\uff0c\u5171\u8ba1100\u6b21\u5199\u5165\u5230test.100MB\u6587\u4ef6\u4e2d\uff0c\u6700\u540e\u751f\u6210\u4e00\u4e2a100MB\u5927\u5c0f\u7684\u6587\u4ef6<\/p>\n<p>\u4e5f\u53ef\u4ee5\u8fd9\u6837\u5199<br \/>\ndd if=\/dev\/zero of=test.100MB bs=100M count=1<br \/>\ndd if=\/dev\/zero of=test.100MB bs=10M count=10<br \/>\ndd if=\/dev\/zero of=test.100MB bs=5M count=20<br \/>\n\u2026\u2026\u2026\u2026\u2026\u600e\u4e48\u5199\u90fd\u53ef\u4ee5\u2026\u2026\u2026\u2026\u2026\u4f60\u5f00\u5fc3\u5c31\u597d\u2026\u2026\u2026\u2026\u2026\u2026<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e4b\u524d\u7ecf\u5e38\u4f1a\u7528\u5230\u4e0b\u8f7d\u6d4b\u8bd5\uff0c\u8d77\u521d\u90fd\u662f\u5148\u4e0b\u8f7d\u4e00\u4e2a\u5927\u4e00\u70b9\u7684\u6587\u4ef6\u5230\u670d\u52a1\u5668\u4e0a\uff0c\u7136\u540e\u518d\u7528\u8fd9\u4e2a\u6587\u4ef6\u6765\u4f5c\u4e3a\u4e0b\u8f7d\u6d4b\u901f\u7528\uff0c\u540e\u6765\u63a5\u89e6\u5230 &#8230; <a title=\"Linux\u4e0b\u901a\u8fc7dd\u547d\u4ee4\u751f\u6210\u6307\u5b9a\u5927\u5c0f\u6587\u4ef6\" class=\"read-more\" href=\"https:\/\/yeslq.com\/?p=235\" aria-label=\"\u9605\u8bfb Linux\u4e0b\u901a\u8fc7dd\u547d\u4ee4\u751f\u6210\u6307\u5b9a\u5927\u5c0f\u6587\u4ef6\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[51,61],"class_list":["post-235","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-linux","tag-61"],"_links":{"self":[{"href":"https:\/\/yeslq.com\/index.php?rest_route=\/wp\/v2\/posts\/235","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yeslq.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yeslq.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yeslq.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yeslq.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=235"}],"version-history":[{"count":1,"href":"https:\/\/yeslq.com\/index.php?rest_route=\/wp\/v2\/posts\/235\/revisions"}],"predecessor-version":[{"id":261,"href":"https:\/\/yeslq.com\/index.php?rest_route=\/wp\/v2\/posts\/235\/revisions\/261"}],"wp:attachment":[{"href":"https:\/\/yeslq.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=235"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yeslq.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=235"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yeslq.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=235"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}