{"id":4109,"date":"2023-03-12T14:10:00","date_gmt":"2023-03-12T06:10:00","guid":{"rendered":"http:\/\/www.biocloudservice.com\/wordpress\/?p=4109"},"modified":"2023-03-12T14:10:23","modified_gmt":"2023-03-12T06:10:23","slug":"linux-%e4%b8%ad%e7%94%a8%e7%89%b9%e6%ae%8a%e7%9a%84%e8%ae%be%e5%a4%87%e6%96%87%e4%bb%b6-dev-null-%e6%9d%a5%e4%b8%a2%e5%bc%83%e8%be%93%e5%87%ba","status":"publish","type":"post","link":"http:\/\/www.biocloudservice.com\/wordpress\/?p=4109","title":{"rendered":"Linux \u4e2d\u7528\u7279\u6b8a\u7684\u8bbe\u5907\u6587\u4ef6 \/dev\/null \u6765\u4e22\u5f03\u8f93\u51fa"},"content":{"rendered":"\n<p>\u5728 Linux \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u7279\u6b8a\u7684\u8bbe\u5907\u6587\u4ef6 <code>\/dev\/null<\/code> \u6765\u4e22\u5f03\u8f93\u51fa\u6216\u8f93\u5165\u3002\u8fd9\u4e2a\u8bbe\u5907\u6587\u4ef6\u4ee3\u8868\u7684\u662f\u4e00\u4e2a\u7a7a\u8bbe\u5907\uff0c\u6240\u6709\u5199\u5165\u5b83\u7684\u6570\u636e\u90fd\u4f1a\u88ab\u76f4\u63a5\u5ffd\u7565\uff0c\u6240\u6709\u4ece\u5b83\u8bfb\u53d6\u7684\u6570\u636e\u90fd\u662f\u7a7a\u7684\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u5982\u679c\u4f60\u60f3\u8ba9\u4e00\u4e2a\u7a0b\u5e8f\u7684\u8f93\u51fa\u4e0d\u4ea7\u751f\u4efb\u4f55\u6548\u679c\uff0c\u53ef\u4ee5\u5c06\u8f93\u51fa\u91cd\u5b9a\u5411\u5230 <code>\/dev\/null<\/code> \u8bbe\u5907\u6587\u4ef6\u4e2d\u3002\u4f8b\u5982\uff0c\u5728 shell \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u8fd0\u884c\u4e00\u4e2a\u7a0b\u5e8f\u5e76\u5c06\u5176\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u7a7a\u8bbe\u5907\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>$ command > \/dev\/null\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u547d\u4ee4\u4f1a\u8fd0\u884c\u540d\u4e3a <code>command<\/code> \u7684\u7a0b\u5e8f\uff0c\u5e76\u5c06\u5176\u8f93\u51fa\u91cd\u5b9a\u5411\u5230 <code>\/dev\/null<\/code> \u8bbe\u5907\u6587\u4ef6\u4e2d\uff0c\u4ece\u800c\u8fbe\u5230\u201c\u4e22\u5f03\u8f93\u51fa\u201d\u7684\u6548\u679c\u3002\u540c\u6837\u5730\uff0c\u5982\u679c\u4f60\u60f3\u8ba9\u4e00\u4e2a\u7a0b\u5e8f\u7684\u8f93\u5165\u4e0d\u4ea7\u751f\u4efb\u4f55\u6548\u679c\uff0c\u53ef\u4ee5\u5c06\u8f93\u5165\u4ece\u7a7a\u8bbe\u5907\u4e2d\u8bfb\u53d6\u3002\u4f8b\u5982\uff0c\u5728 shell \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u8fd0\u884c\u4e00\u4e2a\u7a0b\u5e8f\u5e76\u5c06\u5176\u8f93\u5165\u4ece\u7a7a\u8bbe\u5907\u4e2d\u8bfb\u53d6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>$ command &lt; \/dev\/null\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u547d\u4ee4\u4f1a\u8fd0\u884c\u540d\u4e3a <code>command<\/code> \u7684\u7a0b\u5e8f\uff0c\u5e76\u5c06\u5176\u8f93\u5165\u4ece <code>\/dev\/null<\/code> \u8bbe\u5907\u6587\u4ef6\u4e2d\u8bfb\u53d6\uff0c\u4ece\u800c\u8fbe\u5230\u201c\u5ffd\u7565\u8f93\u5165\u201d\u7684\u6548\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Linux \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u7279\u6b8a\u7684\u8bbe\u5907\u6587\u4ef6 \/dev\/null \u6765\u4e22\u5f03\u8f93\u51fa\u6216\u8f93\u5165\u3002\u8fd9\u4e2a\u8bbe\u5907\u6587\u4ef6\u4ee3\u8868\u7684\u662f\u4e00\u4e2a\u7a7a\u8bbe [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":""},"categories":[48],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4109"}],"collection":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4109"}],"version-history":[{"count":2,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4109\/revisions"}],"predecessor-version":[{"id":4111,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4109\/revisions\/4111"}],"wp:attachment":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4109"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4109"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4109"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}