{"id":5285,"date":"2013-07-06T20:11:25","date_gmt":"2013-07-06T12:11:25","guid":{"rendered":"http:\/\/jpuyy.com\/?p=5285"},"modified":"2015-06-17T16:13:45","modified_gmt":"2015-06-17T08:13:45","slug":"dd-make-big-file","status":"publish","type":"post","link":"https:\/\/jpuyy.com\/?p=5285","title":{"rendered":"dd\u521b\u5efa\u5927\u6587\u4ef6\u5236\u4f5ciso\u542f\u52a8\u76d8"},"content":{"rendered":"<div>\u751f\u6210\u4e00\u4e2a2GB\u7684\u6587\u4ef6<\/div>\n<div>\n<pre>dd if=\/dev\/zero of=test bs=1024k count=2048<\/pre>\n<div>\u751f\u6210\u4e00\u4e2a10GB\u7684\u6587\u4ef6<\/div>\n<pre>dd if=\/dev\/zero of=test bs=1024k count=10240<\/pre>\n<\/div>\n<p>dd if=\/dev\/zero of=test bs=8M count=128<\/p>\n<p>mac\u4e0b\u7528dd\u5236\u4f5c\u542f\u52a8u\u76d8<\/p>\n<p>\u786e\u5b9a\u76d8\u7b26<\/p>\n<p>\u279c\u00a0 quick diskutil list<\/p>\n<p>\/dev\/disk0<\/p>\n<p>#: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 TYPE NAME\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 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