{"id":44682,"date":"2024-10-06T17:23:12","date_gmt":"2024-10-06T09:23:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44682\/"},"modified":"2024-10-06T17:23:12","modified_gmt":"2024-10-06T09:23:12","slug":"linux-%e5%91%bd%e4%bb%a4%ef%bc%9aexit-%e9%80%80%e5%87%ba-shell","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44682\/","title":{"rendered":"Linux \u547d\u4ee4\uff1aexit &#8211; \u9000\u51fa shell"},"content":{"rendered":"<h1 id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9aexit-%e9%80%80%e5%87%ba-shell-fxbrEyLpUM\">Linux \u547d\u4ee4\uff1aexit &#8211; \u9000\u51fa shell<\/h1>\n<p>\u5728\u4f7f\u7528 Linux \u7cfb\u7edf\u65f6\uff0c\u547d\u4ee4\u884c\u754c\u9762\uff08CLI\uff09\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u5141\u8bb8\u7528\u6236\u76f4\u63a5\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u8fdb\u884c\u4ea4\u4e92\u3002\u5728\u4f17\u591a\u547d\u4ee4\u4e2d\uff0c<code>exit<\/code> \u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u547d\u4ee4\uff0c\u5b83\u7528\u4e8e\u9000\u51fa\u5f53\u524d\u7684 shell \u4f1a\u8bdd\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8 <code>exit<\/code> \u547d\u4ee4\u7684\u529f\u80fd\u3001\u7528\u6cd5\u53ca\u5176\u5728\u4e0d\u540c\u60c5\u5883\u4e0b\u7684\u5e94\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e4%b9%88%e6%98%af-shell%ef%bc%9f-fxbrEyLpUM\">\u4ec0\u4e48\u662f shell\uff1f<\/h2>\n<p>\u5728\u8ba8\u8bba <code>exit<\/code> \u547d\u4ee4\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u4ec0\u4e48\u662f shell\u3002Shell \u662f\u4e00\u4e2a\u547d\u4ee4\u884c\u754c\u9762\uff0c\u5141\u8bb8\u7528\u6237\u8f93\u5165\u547d\u4ee4\u5e76\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u8fdb\u884c\u4ea4\u4e92\u3002\u5b83\u53ef\u4ee5\u662f\u4ea4\u4e92\u5f0f\u7684\uff0c\u4e5f\u53ef\u4ee5\u662f\u811a\u672c\u5316\u7684\u3002\u5e38\u89c1\u7684 shell \u5305\u62ec Bash\u3001Zsh \u548c Fish \u7b49\u3002<\/p>\n<h2 id=\"exit-%e5%91%bd%e4%bb%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-fxbrEyLpUM\">exit \u547d\u4ee4\u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n<p><code>exit<\/code> \u547d\u4ee4\u7684\u57fa\u672c\u8bed\u6cd5\u975e\u5e38\u7b80\u5355\uff1a<\/p>\n<pre><code>exit [n]<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>n<\/code> \u662f\u4e00\u4e2a\u53ef\u9009\u7684\u6574\u6570\u53c2\u6570\uff0c\u8868\u793a\u9000\u51fa\u72b6\u6001\u7801\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u6ca1\u6709\u6307\u5b9a\u72b6\u6001\u7801\uff0c<code>exit<\/code> \u5c06\u8fd4\u56de\u4e0a\u4e00\u4e2a\u547d\u4ee4\u7684\u9000\u51fa\u72b6\u6001\u3002<\/p>\n<h3 id=\"%e9%80%80%e5%87%ba%e7%8a%b6%e6%80%81%e7%a0%81-fxbrEyLpUM\">\u9000\u51fa\u72b6\u6001\u7801<\/h3>\n<p>\u5728 Linux \u4e2d\uff0c\u9000\u51fa\u72b6\u6001\u7801\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\u3002\u72b6\u6001\u7801\u901a\u5e38\u7528\u4e8e\u6307\u793a\u547d\u4ee4\u7684\u6267\u884c\u7ed3\u679c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u72b6\u6001\u7801\uff1a<\/p>\n<ul>\n<li><strong>0<\/strong>\uff1a\u8868\u793a\u6210\u529f\u3002<\/li>\n<li><strong>1<\/strong>\uff1a\u8868\u793a\u4e00\u822c\u9519\u8bef\u3002<\/li>\n<li><strong>2<\/strong>\uff1a\u8868\u793a\u8bef\u7528 shell \u5185\u5efa\u547d\u4ee4\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u5728 shell \u4e2d\u6267\u884c\u4e00\u4e2a\u547d\u4ee4\u5e76\u5e0c\u671b\u6839\u636e\u5176\u7ed3\u679c\u9000\u51fa\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>command\nexit $?<\/code><\/pre>\n<p>\u8fd9\u91cc\uff0c<code>$?<\/code> \u662f\u4e00\u4e2a\u7279\u6b8a\u53d8\u91cf\uff0c\u8868\u793a\u4e0a\u4e00\u4e2a\u547d\u4ee4\u7684\u9000\u51fa\u72b6\u6001\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%9c%ba%e6%99%af-fxbrEyLpUM\">\u4f7f\u7528\u573a\u666f<\/h2>\n<p><code>exit<\/code> \u547d\u4ee4\u7684\u4f7f\u7528\u573a\u666f\u975e\u5e38\u5e7f\u6cdb\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f8b\u5b50\uff1a<\/p>\n<h3 id=\"1-%e9%80%80%e5%87%ba%e4%ba%a4%e4%ba%92%e5%bc%8f-shell-fxbrEyLpUM\">1. \u9000\u51fa\u4ea4\u4e92\u5f0f shell<\/h3>\n<p>\u5f53\u4f60\u5728\u7ec8\u7aef\u4e2d\u5de5\u4f5c\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165 <code>exit<\/code> \u6765\u7ed3\u675f\u5f53\u524d\u7684 shell \u4f1a\u8bdd\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>user@hostname:~$ exit\nlogout<\/code><\/pre>\n<h3 id=\"2-%e9%80%80%e5%87%ba%e8%84%9a%e6%9c%ac-fxbrEyLpUM\">2. \u9000\u51fa\u811a\u672c<\/h3>\n<p>\u5728\u7f16\u5199 shell \u811a\u672c\u65f6\uff0c<code>exit<\/code> \u547d\u4ee4\u53ef\u4ee5\u7528\u4e8e\u7ed3\u675f\u811a\u672c\u7684\u6267\u884c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>#!\/bin\/bash\necho \"Hello, World!\"\nexit 0<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u811a\u672c\u4f1a\u8f93\u51fa &#8220;Hello, World!&#8221;\uff0c\u7136\u540e\u4ee5\u72b6\u6001\u7801 0 \u9000\u51fa\u3002<\/p>\n<h3 id=\"3-%e5%a4%84%e7%90%86%e9%94%99%e8%af%af-fxbrEyLpUM\">3. \u5904\u7406\u9519\u8bef<\/h3>\n<p>\u5728\u811a\u672c\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u547d\u4ee4\u7684\u6267\u884c\u7ed3\u679c\u51b3\u5b9a\u662f\u5426\u9000\u51fa\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>#!\/bin\/bash\ncp file.txt \/some\/directory\nif [ $? -ne 0 ]; then\n    echo \"Copy failed!\"\n    exit 1\nfi<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5982\u679c\u590d\u5236\u547d\u4ee4\u5931\u8d25\uff0c\u811a\u672c\u5c06\u8f93\u51fa\u9519\u8bef\u4fe1\u606f\u5e76\u4ee5\u72b6\u6001\u7801 1 \u9000\u51fa\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-fxbrEyLpUM\">\u603b\u7ed3<\/h2>\n<p>\u5728 Linux \u4e2d\uff0c<code>exit<\/code> \u547d\u4ee4\u662f\u4e00\u4e2a\u57fa\u672c\u800c\u91cd\u8981\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u9000\u51fa shell \u4f1a\u8bdd\u6216\u811a\u672c\u3002\u901a\u8fc7\u5408\u7406\u4f7f\u7528\u9000\u51fa\u72b6\u6001\u7801\uff0c\u7528\u6237\u53ef\u4ee5\u66f4\u597d\u5730\u7ba1\u7406\u547d\u4ee4\u7684\u6267\u884c\u7ed3\u679c\u3002\u65e0\u8bba\u662f\u5728\u4ea4\u4e92\u5f0f\u73af\u5883\u4e2d\u8fd8\u662f\u5728\u811a\u672c\u4e2d\uff0c<code>exit<\/code> \u90fd\u662f\u4e00\u4e2a\u4e0d\u53ef\u6216\u7f3a\u7684\u547d\u4ee4\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5bf9 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u6216\u5176\u4ed6\u76f8\u5173\u670d\u52a1\u611f\u5174\u8da3\uff0c\u6b22\u8fce\u8bbf\u95ee\u6211\u4eec\u7684\u5b98\u65b9\u7f51\u7ad9\u4ee5\u83b7\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 Linux \u547d\u4ee4 &#8220;exit&#8221;\uff0c\u7528\u4e8e\u5b89\u5168\u9000\u51fa shell \u4f1a\u8bdd\uff0c\u786e\u4fdd\u6570\u636e\u4fdd\u5b58\u5e76\u5173\u95ed\u7ec8\u7aef\u3002\u638c\u63e1\u57fa\u672c\u64cd\u4f5c\uff0c\u63d0\u5347\u6548\u7387\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-44682","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44682","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=44682"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44682\/revisions"}],"predecessor-version":[{"id":44683,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44682\/revisions\/44683"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44682"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44682"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44682"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}