{"id":62932,"date":"2025-04-29T12:06:19","date_gmt":"2025-04-29T04:06:19","guid":{"rendered":"https:\/\/fwq.ai\/blog\/62932\/"},"modified":"2025-04-29T12:06:19","modified_gmt":"2025-04-29T04:06:19","slug":"%e6%b7%b1%e5%85%a5%e6%8e%a2%e8%ae%a8linux%e8%bf%9b%e7%a8%8b%e7%9a%84%e5%90%af%e5%8a%a8%e6%96%b9%e6%b3%95-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/62932\/","title":{"rendered":"\u6df1\u5165\u63a2\u8ba8Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u6cd5"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/887\/227\/170869214197475.jpg\" class=\"aligncenter\" title=\"\u6df1\u5165\u63a2\u8ba8Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u6cd5\u63d2\u56fe\" alt=\"\u6df1\u5165\u63a2\u8ba8Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u6cd5\u63d2\u56fe\" \/><\/p>\n<p><strong>\u6df1\u5165\u4e86\u89e3Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f<\/strong><\/p>\n<p>Linux\u64cd\u4f5c\u7cfb\u7edf\u662f\u4e00\u79cd\u5f00\u653e\u6e90\u4ee3\u7801\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5176\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f\u548c\u7ba1\u7406\u673a\u5236\u662f\u7cfb\u7edf\u8fd0\u884c\u7684\u57fa\u7840\u3002\u5728Linux\u4e2d\uff0c\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u5305\u62ec\u901a\u8fc7shell\u547d\u4ee4\u3001\u7cfb\u7edf\u8c03\u7528\u3001\u5b88\u62a4\u8fdb\u7a0b\u7b49\u65b9\u5f0f\u3002\u672c\u6587\u5c06\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6df1\u5165\u4ecb\u7ecdLinux\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f\u3002<\/p>\n<p><strong>1. \u901a\u8fc7shell\u547d\u4ee4\u542f\u52a8\u8fdb\u7a0b<\/strong><\/p>\n<p>\u5728Linux\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728shell\u4e2d\u8f93\u5165\u547d\u4ee4\u6765\u542f\u52a8\u8fdb\u7a0b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u901a\u8fc7\u542f\u52a8\u4e00\u4e2a\u8fdb\u7a0b\uff1a<\/p>\n<pre>#!\/bin\/sh\necho \"Starting process...\"\nsleep 5\necho \"Process completed.\"<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4fdd\u5b58\u4e3astart_process.sh\u6587\u4ef6\uff0c\u7136\u540e\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>chmod +x start_process.sh\n.\/start_process.sh<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd0\u884c\u4ee5\u4e0a\u547d\u4ee4\u540e\uff0c\u5c06\u4f1a\u542f\u52a8\u4e00\u4e2a\u7b80\u5355\u7684\u8fdb\u7a0b\uff0c\u5e76\u57285\u79d2\u540e\u5b8c\u6210\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u7b80\u5355\u7684\u8fdb\u7a0b\u542f\u52a8\u548c\u7ba1\u7406\uff0c\u4f46\u5bf9\u4e8e\u590d\u6742\u7684\u8fdb\u7a0b\u7ba1\u7406\u53ef\u80fd\u4e0d\u591f\u7075\u6d3b\u3002<\/p>\n<p><strong>2. \u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u542f\u52a8\u8fdb\u7a0b<\/strong><\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u8fdb\u7a0b\u7684\u521b\u5efa\u662f\u901a\u8fc7fork()\u548cexec()\u7cfb\u7edf\u8c03\u7528\u5b9e\u73b0\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u521b\u5efa\u548c\u542f\u52a8\u4e00\u4e2a\u65b0\u7684\u8fdb\u7a0b\uff1a<\/p>\n<pre>#include &lt;stdio.h&gt;\n#include &lt;unistd.h&gt;\n\nint main() {\n    pid_t pid = fork();\n    if (pid == 0) {\n        \/\/ \u5b50\u8fdb\u7a0b\n        printf(\"Child process\n\");\n        execl(\"\/bin\/ls\", \"ls\", \"-l\", NULL);\n    } else {\n        \/\/ \u7236\u8fdb\u7a0b\n        printf(\"Parent process\n\");\n    }\n\n    return 0;\n}&lt;\/unistd.h&gt;&lt;\/stdio.h&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\uff0c\u6211\u4eec\u5728\u5b50\u8fdb\u7a0b\u4e2d\u8c03\u7528execl\u51fd\u6570\u542f\u52a8ls\u547d\u4ee4\uff0c\u7236\u8fdb\u7a0b\u6253\u5370\u51fa\u76f8\u5e94\u7684\u4fe1\u606f\u3002\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u521b\u5efa\u8fdb\u7a0b\u7684\u65b9\u5f0f\u66f4\u52a0\u7075\u6d3b\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u8fdb\u7a0b\u95f4\u901a\u4fe1\u548c\u7ba1\u7406\u3002<\/p>\n<p><strong>3. \u521b\u5efa\u5b88\u62a4\u8fdb\u7a0b<\/strong><\/p>\n<p>\u5728Linux\u4e2d\uff0c\u5b88\u62a4\u8fdb\u7a0b\u662f\u5728\u540e\u53f0\u8fd0\u884c\u7684\u8fdb\u7a0b\uff0c\u901a\u5e38\u7528\u4e8e\u6267\u884c\u4e00\u4e9b\u7cfb\u7edf\u4efb\u52a1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5b88\u62a4\u8fdb\u7a0b\u793a\u4f8b\uff1a<\/p>\n<pre>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;sys&gt;\n#include &lt;sys&gt;\n\nint main() {\n    pid_t pid = fork();\n    if (pid  0) {\n        exit(EXIT_SUCCESS);\n    }\n\n    umask(0);\n    pid_t sid = setsid();\n    if (sid &lt;p&gt;\u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5b88\u62a4\u8fdb\u7a0b\uff0c\u5c06\u5176\u653e\u7f6e\u5728\u540e\u53f0\u8fd0\u884c\uff0c\u5e76\u6267\u884c\u5177\u4f53\u7684\u4efb\u52a1\u3002\u5b88\u62a4\u8fdb\u7a0b\u7684\u521b\u5efa\u8fc7\u7a0b\u5305\u62ec\u83b7\u53d6\u65b0\u7684\u4f1a\u8bdd\u3001\u8bbe\u7f6e\u5de5\u4f5c\u76ee\u5f55\u3001\u5173\u95ed\u6807\u51c6\u8f93\u5165\u8f93\u51fa\u7b49\u6b65\u9aa4\u3002&lt;\/p&gt;\n&lt;p&gt;\u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\u793a\u4f8b\uff0c\u6211\u4eec\u6df1\u5165\u4e86\u89e3\u4e86Linux\u8fdb\u7a0b\u7684\u4e0d\u540c\u542f\u52a8\u65b9\u5f0f\uff0c\u5305\u62ec\u901a\u8fc7shell\u547d\u4ee4\u3001\u7cfb\u7edf\u8c03\u7528\u3001\u5b88\u62a4\u8fdb\u7a0b\u7b49\u65b9\u5f0f\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u5f0f\u542f\u52a8\u548c\u7ba1\u7406\u8fdb\u7a0b\uff0c\u4ece\u800c\u66f4\u597d\u5730\u5229\u7528Linux\u7cfb\u7edf\u7684\u529f\u80fd\u3002&lt;\/p&gt;\n&lt;p&gt;&lt;strong&gt;\u7ed3\u675f\u8bed&lt;\/strong&gt;&lt;br&gt;Linux\u64cd\u4f5c\u7cfb\u7edf\u4f5c\u4e3a\u4e00\u79cd\u5f00\u653e\u6e90\u4ee3\u7801\u7684\u7cfb\u7edf\uff0c\u5176\u8fdb\u7a0b\u7ba1\u7406\u673a\u5236\u4e3a\u7cfb\u7edf\u7684\u8fd0\u884c\u63d0\u4f9b\u4e86\u57fa\u7840\u652f\u6301\u3002\u901a\u8fc7\u672c\u6587\u6240\u4ecb\u7ecd\u7684\u4e0d\u540c\u8fdb\u7a0b\u542f\u52a8\u65b9\u5f0f\uff0c\u8bfb\u8005\u53ef\u4ee5\u66f4\u6df1\u5165\u5730\u4e86\u89e3Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u548c\u7ba1\u7406\u65b9\u5f0f\uff0c\u4e3a\u7cfb\u7edf\u7684\u5e94\u7528\u548c\u4f18\u5316\u63d0\u4f9b\u53c2\u8003\u3002&lt;\/p&gt;&lt;\/sys&gt;&lt;\/sys&gt;&lt;\/unistd.h&gt;&lt;\/stdlib.h&gt;&lt;\/stdio.h&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u6df1\u5165\u63a2\u8ba8Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u6cd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u4e86\u89e3Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f Linux\u64cd\u4f5c\u7cfb\u7edf\u662f\u4e00\u79cd\u5f00\u653e\u6e90\u4ee3\u7801\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5176\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f\u548c\u7ba1\u7406\u673a\u5236\u662f\u7cfb\u7edf\u8fd0\u884c\u7684\u57fa\u7840\u3002\u5728Linux\u4e2d\uff0c\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u5305\u62ec\u901a\u8fc7shell\u547d\u4ee4\u3001\u7cfb\u7edf\u8c03\u7528\u3001\u5b88\u62a4\u8fdb\u7a0b\u7b49\u65b9\u5f0f\u3002\u672c\u6587\u5c06\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6df1\u5165\u4ecb\u7ecdLinux\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f\u3002 1. \u901a\u8fc7shell\u547d\u4ee4\u542f\u52a8\u8fdb\u7a0b \u5728Linux\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728shell\u4e2d\u8f93\u5165\u547d\u4ee4\u6765\u542f\u52a8\u8fdb\u7a0b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u901a\u8fc7\u542f\u52a8\u4e00\u4e2a\u8fdb\u7a0b\uff1a #!\/bin\/sh echo &#8220;Starting process&#8230;&#8221; sleep 5 echo &#8220;Process completed.&#8221; \u767b\u5f55\u540e\u590d\u5236 \u4fdd\u5b58\u4e3astart_process.sh\u6587\u4ef6\uff0c\u7136\u540e\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a chmod +x start_process.sh .\/start_process.sh \u767b\u5f55\u540e\u590d\u5236 \u8fd0\u884c\u4ee5\u4e0a\u547d\u4ee4\u540e\uff0c\u5c06\u4f1a\u542f\u52a8\u4e00\u4e2a\u7b80\u5355\u7684\u8fdb\u7a0b\uff0c\u5e76\u57285\u79d2\u540e\u5b8c\u6210\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u7b80\u5355\u7684\u8fdb\u7a0b\u542f\u52a8\u548c\u7ba1\u7406\uff0c\u4f46\u5bf9\u4e8e\u590d\u6742\u7684\u8fdb\u7a0b\u7ba1\u7406\u53ef\u80fd\u4e0d\u591f\u7075\u6d3b\u3002 2. \u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u542f\u52a8\u8fdb\u7a0b \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u8fdb\u7a0b\u7684\u521b\u5efa\u662f\u901a\u8fc7fork()\u548cexec()\u7cfb\u7edf\u8c03\u7528\u5b9e\u73b0\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u521b\u5efa\u548c\u542f\u52a8\u4e00\u4e2a\u65b0\u7684\u8fdb\u7a0b\uff1a #include &lt;stdio.h&gt; #include &lt;unistd.h&gt; int main() { pid_t pid = fork(); if (pid == 0) { \/\/ \u5b50\u8fdb\u7a0b printf(&#8220;Child process &#8220;); execl(&#8220;\/bin\/ls&#8221;, &#8220;ls&#8221;, &#8220;-l&#8221;, NULL); } else { \/\/ \u7236\u8fdb\u7a0b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-62932","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62932","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=62932"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62932\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=62932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=62932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=62932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}