{"id":23693,"date":"2025-04-19T08:23:19","date_gmt":"2025-04-19T00:23:19","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/23693.html"},"modified":"2025-04-19T08:23:19","modified_gmt":"2025-04-19T00:23:19","slug":"linux-%e7%bd%91%e7%bb%9c%ef%bc%88%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e6%b0%b8%e4%b9%85%e4%b8%8d%e6%8c%82-%e5%ae%88%e6%8a%a4%e8%bf%9b%e7%a8%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/23693.html","title":{"rendered":"linux\u2014\u2014\u7f51\u7edc\uff08\u670d\u52a1\u5668\u7684\u6c38\u4e45\u4e0d\u6302\u2014\u2014\u5b88\u62a4\u8fdb\u7a0b\uff09"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"189\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419002318-6802ecf614bd5.png\" width=\"420\"><\/p>\n<hr>\n<h4 id=\"%E6%96%87%E7%AB%A0%E7%9B%AE%E5%BD%95\" style=\"background-color:transparent\">\u6587\u7ae0\u76ee\u5f55<\/h4>\n<hr>\n<p id=\"main-toc\">\u76ee\u5f55<\/p>\n<p id=\"%E6%96%87%E7%AB%A0%E7%9B%AE%E5%BD%95-toc\" style=\"margin-left:80px\">\u6587\u7ae0\u76ee\u5f55<\/p>\n<p id=\"%E5%89%8D%E8%A8%80-toc\" style=\"margin-left:0px\">\u524d\u8a00<\/p>\n<p id=\"%E4%B8%80%E3%80%81%E5%89%8D%E5%90%8E%E5%8F%B0%E8%BF%9B%E7%A8%8B-toc\" style=\"margin-left:0px\">\u4e00\u3001\u524d\u540e\u53f0\u8fdb\u7a0b<\/p>\n<p id=\"1.%20%E5%89%8D%E5%8F%B0%E8%BF%9B%E7%A8%8B%20(Foreground%20Process)-toc\" style=\"margin-left:80px\">1. \u524d\u53f0\u8fdb\u7a0b (Foreground Process)<\/p>\n<p id=\"2.%20%E5%90%8E%E5%8F%B0%E8%BF%9B%E7%A8%8B%20(Background%20Process)-toc\" style=\"margin-left:80px\">2. \u540e\u53f0\u8fdb\u7a0b (Background Process)<\/p>\n<p id=\"3.%20%E5%89%8D%E5%90%8E%E5%8F%B0%E8%BF%9B%E7%A8%8B%E7%9A%84%E5%88%87%E6%8D%A2-toc\" style=\"margin-left:80px\">3. \u524d\u540e\u53f0\u8fdb\u7a0b\u7684\u5207\u6362<\/p>\n<p id=\"4.%20%E5%85%B3%E9%94%AE%E5%91%BD%E4%BB%A4%E5%92%8C%E6%93%8D%E4%BD%9C-toc\" style=\"margin-left:80px\">4. \u5173\u952e\u547d\u4ee4\u548c\u64cd\u4f5c<\/p>\n<p id=\"5.%20%E6%B3%A8%E6%84%8F%E4%BA%8B%E9%A1%B9-toc\" style=\"margin-left:80px\">5. \u6ce8\u610f\u4e8b\u9879<\/p>\n<p id=\"6.%20%E4%BF%A1%E5%8F%B7%E5%A4%84%E7%90%86-toc\" style=\"margin-left:80px\">6. \u4fe1\u53f7\u5904\u7406<\/p>\n<p id=\"%E4%BA%8C%E3%80%81%E5%AE%88%E6%8A%A4%E8%BF%9B%E7%A8%8B%C2%A0-toc\" style=\"margin-left:0px\">\u4e8c\u3001\u5b88\u62a4\u8fdb\u7a0b&nbsp;<\/p>\n<p id=\"1.%20%E5%AE%88%E6%8A%A4%E8%BF%9B%E7%A8%8B%E7%9A%84%E6%A0%B8%E5%BF%83%E7%89%B9%E7%82%B9-toc\" style=\"margin-left:80px\">1. \u5b88\u62a4\u8fdb\u7a0b\u7684\u6838\u5fc3\u7279\u70b9<\/p>\n<p id=\"2.%20%E5%B8%B8%E8%A7%81%E5%AE%88%E6%8A%A4%E8%BF%9B%E7%A8%8B%E7%A4%BA%E4%BE%8B-toc\" style=\"margin-left:80px\">2. \u5e38\u89c1\u5b88\u62a4\u8fdb\u7a0b\u793a\u4f8b<\/p>\n<p id=\"3.%E6%8E%A5%E5%8F%A3%E4%BB%8B%E7%BB%8D-toc\" style=\"margin-left:80px\">3.\u63a5\u53e3\u4ecb\u7ecd<\/p>\n<p id=\"1%E3%80%81%C2%A0fork()-toc\" style=\"margin-left:120px\">1\u3001&nbsp;fork()<\/p>\n<p id=\"2.%C2%A0setsid()-toc\" style=\"margin-left:120px\">2.&nbsp;setsid()<\/p>\n<p id=\"3.%C2%A0chdir()-toc\" style=\"margin-left:120px\">3.&nbsp;chdir()<\/p>\n<p id=\"4.%C2%A0umask()-toc\" style=\"margin-left:120px\">4.&nbsp;umask()<\/p>\n<p id=\"5.%C2%A0close()-toc\" style=\"margin-left:120px\">5.&nbsp;close()<\/p>\n<p id=\"4.%20%E5%A6%82%E4%BD%95%E5%88%9B%E5%BB%BA%E5%AE%88%E6%8A%A4%E8%BF%9B%E7%A8%8B%EF%BC%9F-toc\" style=\"margin-left:80px\">4. \u5982\u4f55\u521b\u5efa\u5b88\u62a4\u8fdb\u7a0b\uff1f<\/p>\n<p id=\"%E6%AD%A5%E9%AA%A4%E8%A7%A3%E9%87%8A%EF%BC%9A-toc\" style=\"margin-left:120px\">\u6b65\u9aa4\u89e3\u91ca\uff1a<\/p>\n<p id=\"5.%20%E7%AE%A1%E7%90%86%E5%AE%88%E6%8A%A4%E8%BF%9B%E7%A8%8B%E7%9A%84%E5%B7%A5%E5%85%B7-toc\" style=\"margin-left:80px\">5. \u7ba1\u7406\u5b88\u62a4\u8fdb\u7a0b\u7684\u5de5\u5177<\/p>\n<p id=\"6.%20%E5%AE%88%E6%8A%A4%E8%BF%9B%E7%A8%8B%20vs%20%E5%89%8D%E5%90%8E%E5%8F%B0%E8%BF%9B%E7%A8%8B-toc\" style=\"margin-left:80px\">6. \u5b88\u62a4\u8fdb\u7a0b vs \u524d\u540e\u53f0\u8fdb\u7a0b<\/p>\n<p id=\"7.%20%E6%B3%A8%E6%84%8F%E4%BA%8B%E9%A1%B9-toc\" style=\"margin-left:80px\">7. \u6ce8\u610f\u4e8b\u9879<\/p>\n<p id=\"%E6%80%BB%E7%BB%93-toc\" style=\"margin-left:80px\">\u603b\u7ed3<\/p>\n<p id=\"%E4%B8%89%E3%80%81tcp%E8%BF%9E%E6%8E%A5%E6%9C%BA%E5%88%B6-toc\" style=\"margin-left:0px\">\u4e09\u3001tcp\u8fde\u63a5\u673a\u5236<\/p>\n<p id=\"1.%20%E4%B8%89%E6%AC%A1%E6%8F%A1%E6%89%8B%EF%BC%88Three-Way%20Handshake%EF%BC%89-toc\" style=\"margin-left:80px\">1. \u4e09\u6b21\u63e1\u624b\uff08Three-Way Handshake\uff09<\/p>\n<p id=\"%E6%AD%A5%E9%AA%A4%EF%BC%9A-toc\" style=\"margin-left:120px\">\u6b65\u9aa4\uff1a<\/p>\n<p id=\"%E4%B8%BA%E4%BB%80%E4%B9%88%E9%9C%80%E8%A6%81%E4%B8%89%E6%AC%A1%E6%8F%A1%E6%89%8B%EF%BC%9F-toc\" style=\"margin-left:120px\">\u4e3a\u4ec0\u4e48\u9700\u8981\u4e09\u6b21\u63e1\u624b\uff1f<\/p>\n<p id=\"2.%20%E5%9B%9B%E6%AC%A1%E6%8C%A5%E6%89%8B%EF%BC%88Four-Way%20Handshake%EF%BC%89-toc\" style=\"margin-left:80px\">2. \u56db\u6b21\u6325\u624b\uff08Four-Way Handshake\uff09<\/p>\n<p id=\"%E6%AD%A5%E9%AA%A4%EF%BC%9A-toc\" style=\"margin-left:120px\">\u6b65\u9aa4\uff1a<\/p>\n<p id=\"%E4%B8%BA%E4%BB%80%E4%B9%88%E9%9C%80%E8%A6%81%E5%9B%9B%E6%AC%A1%E6%8C%A5%E6%89%8B%EF%BC%9F-toc\" style=\"margin-left:120px\">\u4e3a\u4ec0\u4e48\u9700\u8981\u56db\u6b21\u6325\u624b\uff1f<\/p>\n<p id=\"TIME_WAIT%E7%8A%B6%E6%80%81-toc\" style=\"margin-left:120px\">TIME_WAIT\u72b6\u6001<\/p>\n<p id=\"3.%20%E5%85%A8%E5%8F%8C%E5%B7%A5%E9%80%9A%E4%BF%A1%EF%BC%88Full-Duplex%EF%BC%89-toc\" style=\"margin-left:80px\">3. \u5168\u53cc\u5de5\u901a\u4fe1\uff08Full-Duplex\uff09<\/p>\n<p id=\"%E7%89%B9%E7%82%B9%EF%BC%9A-toc\" style=\"margin-left:120px\">\u7279\u70b9\uff1a<\/p>\n<p id=\"%E7%A4%BA%E4%BE%8B%EF%BC%9A-toc\" style=\"margin-left:120px\">\u793a\u4f8b\uff1a<\/p>\n<p id=\"%E6%80%BB%E7%BB%93-toc\" style=\"margin-left:80px\">\u603b\u7ed3<\/p>\n<p id=\"-toc\" style=\"margin-left:0px\">\n<p id=\"%E5%9B%9B%E3%80%81%E7%BD%91%E7%BB%9C%E9%80%9A%E4%BF%A1%E4%B8%AD%E7%9A%84%E5%BA%8F%E5%88%97%E5%8F%8A%E5%8F%8D%E5%BA%8F%E5%88%97-toc\" style=\"margin-left:0px\">\u56db\u3001\u7f51\u7edc\u901a\u4fe1\u4e2d\u7684\u5e8f\u5217\u53ca\u53cd\u5e8f\u5217<\/p>\n<p id=\"%E4%B8%80%E3%80%81%E5%BA%8F%E5%88%97%E5%8C%96%E7%9A%84%E4%BD%9C%E7%94%A8-toc\" style=\"margin-left:80px\">\u4e00\u3001\u5e8f\u5217\u5316\u7684\u4f5c\u7528<\/p>\n<p id=\"%E4%BA%8C%E3%80%81%E5%8F%8D%E5%BA%8F%E5%88%97%E5%8C%96%E7%9A%84%E4%BD%9C%E7%94%A8-toc\" style=\"margin-left:80px\">\u4e8c\u3001\u53cd\u5e8f\u5217\u5316\u7684\u4f5c\u7528<\/p>\n<p id=\"%E4%B8%89%E3%80%81%E5%BA%94%E7%94%A8%E5%9C%BA%E6%99%AF-toc\" style=\"margin-left:80px\">\u4e09\u3001\u5e94\u7528\u573a\u666f<\/p>\n<p id=\"%E5%9B%9B%E3%80%81%E5%B8%B8%E8%A7%81%E5%BA%8F%E5%88%97%E5%8C%96%E6%8A%80%E6%9C%AF-toc\" style=\"margin-left:80px\">\u56db\u3001\u5e38\u89c1\u5e8f\u5217\u5316\u6280\u672f<\/p>\n<p id=\"%E4%BA%94%E3%80%81%E5%AE%89%E5%85%A8%E9%97%AE%E9%A2%98-toc\" style=\"margin-left:80px\">\u4e94\u3001\u5b89\u5168\u95ee\u9898<\/p>\n<p id=\"%E6%80%BB%E7%BB%93-toc\" style=\"margin-left:80px\">\u603b\u7ed3<\/p>\n<p id=\"%E6%80%BB%E7%BB%93-toc\" style=\"margin-left:0px\">\u603b\u7ed3<\/p>\n<hr>\n<h2 id=\"%E5%89%8D%E8%A8%80\">\u524d\u8a00<\/h2>\n<p>Linux\u2014\u2014\u7f51\u7edc\uff08tcp\uff09-CSDN\u535a\u5ba2<\/p>\n<\/p>\n<hr>\n<h2 id=\"%E4%B8%80%E3%80%81%E5%89%8D%E5%90%8E%E5%8F%B0%E8%BF%9B%E7%A8%8B\">\u4e00\u3001\u524d\u540e\u53f0\u8fdb\u7a0b<\/h2>\n<h4 id=\"1.%20%E5%89%8D%E5%8F%B0%E8%BF%9B%E7%A8%8B%20(Foreground%20Process)\">1. \u524d\u53f0\u8fdb\u7a0b (Foreground Process)<\/h4>\n<ul>\n<li>\n<p>\u5b9a\u4e49\uff1a\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u7528\u6237\u5728\u7ec8\u7aef\u542f\u52a8\u7684\u8fdb\u7a0b\u4f1a\u5360\u7528\u7ec8\u7aef\u8f93\u5165\/\u8f93\u51fa\uff0c\u79f0\u4e3a\u524d\u53f0\u8fdb\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>\u7279\u70b9\uff1a<\/p>\n<ul>\n<li>\n<p>\u8fdb\u7a0b\u8fd0\u884c\u65f6\uff0c\u7ec8\u7aef\u88ab\u201c\u9501\u5b9a\u201d\uff0c\u7528\u6237\u5fc5\u987b\u7b49\u5f85\u8fdb\u7a0b\u7ed3\u675f\u624d\u80fd\u8f93\u5165\u65b0\u547d\u4ee4\u3002<\/p>\n<\/li>\n<li>\n<p>\u8fdb\u7a0b\u7684\u8f93\u51fa\u76f4\u63a5\u663e\u793a\u5728\u7ec8\u7aef\uff0c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u952e\u76d8\u8f93\u5165\u4e0e\u8fdb\u7a0b\u4ea4\u4e92\uff08\u5982\u8f93\u5165\u53c2\u6570\u6216\u7ec8\u6b62\u4fe1\u53f7\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u793a\u4f8b\uff1a<\/p>\n<p> # \u542f\u52a8\u4e00\u4e2a\u524d\u53f0\u8fdb\u7a0b\uff08\u4f8b\u5982 ping \u547d\u4ee4\uff09<br \/>\nping example.com <\/li>\n<\/ul>\n<hr>\n<h4 id=\"2.%20%E5%90%8E%E5%8F%B0%E8%BF%9B%E7%A8%8B%20(Background%20Process)\">2. \u540e\u53f0\u8fdb\u7a0b (Background Process)<\/h4>\n<ul>\n<li>\n<p>\u5b9a\u4e49\uff1a\u8fdb\u7a0b\u5728\u540e\u53f0\u8fd0\u884c\uff0c\u4e0d\u5360\u7528\u7ec8\u7aef\u8f93\u5165\/\u8f93\u51fa\uff0c\u7528\u6237\u53ef\u7ee7\u7eed\u4f7f\u7528\u7ec8\u7aef\u6267\u884c\u5176\u4ed6\u547d\u4ee4\u3002<\/p>\n<\/li>\n<li>\n<p>\u7279\u70b9\uff1a<\/p>\n<ul>\n<li>\n<p>\u7ec8\u7aef\u4e0d\u4f1a\u88ab\u963b\u585e\uff0c\u7528\u6237\u53ef\u4ee5\u7ee7\u7eed\u8f93\u5165\u547d\u4ee4\u3002<\/p>\n<\/li>\n<li>\n<p>\u8fdb\u7a0b\u7684\u8f93\u51fa\u4ecd\u53ef\u80fd\u663e\u793a\u5728\u7ec8\u7aef\uff08\u53ef\u80fd\u5e72\u6270\u5f53\u524d\u64cd\u4f5c\uff09\uff0c\u5efa\u8bae\u91cd\u5b9a\u5411\u8f93\u51fa\u5230\u6587\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p>\u540e\u53f0\u8fdb\u7a0b\u7684\u751f\u5b58\u671f\u53ef\u80fd\u4e0e\u7ec8\u7aef\u4f1a\u8bdd\u7ed1\u5b9a\uff08\u82e5\u7ec8\u7aef\u5173\u95ed\uff0c\u540e\u53f0\u8fdb\u7a0b\u53ef\u80fd\u88ab\u7ec8\u6b62\uff0c\u9700\u4f7f\u7528&nbsp;nohup&nbsp;\u6216&nbsp;disown&nbsp;\u907f\u514d\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u542f\u52a8\u65b9\u5f0f\uff1a<\/p>\n<p> # \u5728\u547d\u4ee4\u672b\u5c3e\u6dfb\u52a0 &amp; \u7b26\u53f7<br \/>\nping example.com &amp; <\/li>\n<\/ul>\n<hr>\n<h4 id=\"3.%20%E5%89%8D%E5%90%8E%E5%8F%B0%E8%BF%9B%E7%A8%8B%E7%9A%84%E5%88%87%E6%8D%A2\">3. \u524d\u540e\u53f0\u8fdb\u7a0b\u7684\u5207\u6362<\/h4>\n<ul>\n<li>\n<p>\u5c06\u524d\u53f0\u8fdb\u7a0b\u653e\u5230\u540e\u53f0\uff1a<\/p>\n<li>\n<p>\u6309\u4e0b&nbsp;Ctrl + Z&nbsp;\u6682\u505c\u5f53\u524d\u524d\u53f0\u8fdb\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>\u8f93\u5165&nbsp;bg&nbsp;\u547d\u4ee4\u5c06\u6682\u505c\u7684\u8fdb\u7a0b\u8f6c\u4e3a\u540e\u53f0\u8fd0\u884c\u3002<\/p>\n<\/li>\n<\/li>\n<li>\n<p>\u67e5\u770b\u540e\u53f0\u8fdb\u7a0b\u5217\u8868\uff1a<\/p>\n<p> jobs -l <\/li>\n<li>\n<p>\u5c06\u540e\u53f0\u8fdb\u7a0b\u5207\u6362\u5230\u524d\u53f0\uff1a<\/p>\n<p> fg %&lt;job_number&gt;  # \u4f8b\u5982 fg %1 <\/p>\n<\/li>\n<\/ul>\n<hr>\n<h4 id=\"4.%20%E5%85%B3%E9%94%AE%E5%91%BD%E4%BB%A4%E5%92%8C%E6%93%8D%E4%BD%9C\">4. \u5173\u952e\u547d\u4ee4\u548c\u64cd\u4f5c<\/h4>\n<table>\n<tr>\n   \u547d\u4ee4<br \/>\n   \u4f5c\u7528<br \/>\n  <\/tr>\n<tbody>\n<tr>\n<td>command &amp;<\/td>\n<td>\u76f4\u63a5\u542f\u52a8\u540e\u53f0\u8fdb\u7a0b<\/td>\n<\/tr>\n<tr>\n<td>Ctrl + Z<\/td>\n<td>\u6682\u505c\u5f53\u524d\u524d\u53f0\u8fdb\u7a0b<\/td>\n<\/tr>\n<tr>\n<td>bg<\/td>\n<td>\u5c06\u6700\u8fd1\u6682\u505c\u7684\u8fdb\u7a0b\u8f6c\u4e3a\u540e\u53f0\u8fd0\u884c<\/td>\n<\/tr>\n<tr>\n<td>fg %n<\/td>\n<td>\u5c06\u540e\u53f0\u8fdb\u7a0b&nbsp;n&nbsp;\u5207\u6362\u5230\u524d\u53f0<\/td>\n<\/tr>\n<tr>\n<td>jobs -l<\/td>\n<td>\u5217\u51fa\u6240\u6709\u540e\u53f0\/\u6682\u505c\u7684\u8fdb\u7a0b\u53ca\u5176\u7f16\u53f7<\/td>\n<\/tr>\n<tr>\n<td>nohup command &amp;<\/td>\n<td>\u542f\u52a8\u540e\u53f0\u8fdb\u7a0b\uff0c\u7ec8\u7aef\u5173\u95ed\u540e\u4ecd\u5b58\u6d3b<\/td>\n<\/tr>\n<tr>\n<td>disown<\/td>\n<td>\u65ad\u5f00\u8fdb\u7a0b\u4e0e\u7ec8\u7aef\u7684\u5173\u8054<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<h4 id=\"5.%20%E6%B3%A8%E6%84%8F%E4%BA%8B%E9%A1%B9\">5. \u6ce8\u610f\u4e8b\u9879<\/h4>\n<ul>\n<li>\n<p>\u8f93\u51fa\u5e72\u6270\uff1a\u540e\u53f0\u8fdb\u7a0b\u7684\u8f93\u51fa\u53ef\u80fd\u6df7\u6742\u5728\u7ec8\u7aef\u4e2d\uff0c\u5efa\u8bae\u4f7f\u7528\u8f93\u51fa\u91cd\u5b9a\u5411\uff1a<\/p>\n<p> command &gt; output.log 2&gt;&amp;1 &amp; <\/p>\n<\/li>\n<li>\n<p>\u7ec8\u7aef\u5173\u95ed\u95ee\u9898\uff1a\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u7ec8\u7aef\u9000\u51fa\u65f6\u4f1a\u7ec8\u6b62\u6240\u6709\u5173\u8054\u7684\u540e\u53f0\u8fdb\u7a0b\u3002\u82e5\u9700\u6301\u4e45\u5316\u8fd0\u884c\uff1a<\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528&nbsp;nohup\uff1a<\/p>\n<p> nohup command &amp; <\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528&nbsp;disown\uff1a<\/p>\n<p> command &amp;<br \/>\ndisown %1  # \u8131\u79bb\u7ec8\u7aef\u5173\u8054 <\/li>\n<li>\n<p>\u4f7f\u7528\u7ec8\u7aef\u590d\u7528\u5de5\u5177\uff08\u5982&nbsp;tmux&nbsp;\u6216&nbsp;screen\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr>\n<h4 id=\"6.%20%E4%BF%A1%E5%8F%B7%E5%A4%84%E7%90%86\" style=\"background-color:transparent\">6. \u4fe1\u53f7\u5904\u7406<\/h4>\n<ul>\n<li>\n<p>\u524d\u53f0\u8fdb\u7a0b\u53ef\u76f4\u63a5\u63a5\u6536\u7ec8\u7aef\u4fe1\u53f7\uff08\u5982&nbsp;Ctrl + C&nbsp;\u53d1\u9001&nbsp;SIGINT\uff0cCtrl + Z&nbsp;\u53d1\u9001&nbsp;SIGTSTP\uff09\u3002<\/p>\n<\/li>\n<li>\n<p>\u540e\u53f0\u8fdb\u7a0b\u9ed8\u8ba4\u4e0d\u63a5\u6536\u952e\u76d8\u8f93\u5165\u4fe1\u53f7\uff0c\u4f46\u53ef\u80fd\u6536\u5230\u7ec8\u7aef\u5173\u95ed\u65f6\u7684&nbsp;SIGHUP&nbsp;\u4fe1\u53f7\uff08\u9700\u901a\u8fc7&nbsp;nohup&nbsp;\u6216&nbsp;disown&nbsp;\u907f\u514d\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<hr>\n<p>\u901a\u8fc7\u7075\u6d3b\u4f7f\u7528\u524d\u540e\u53f0\u8fdb\u7a0b\uff0c\u53ef\u4ee5\u9ad8\u6548\u7ba1\u7406\u7ec8\u7aef\u4efb\u52a1\uff0c\u5c24\u5176\u9002\u5408\u9700\u8981\u957f\u65f6\u95f4\u8fd0\u884c\u6216\u5e76\u884c\u64cd\u4f5c\u7684\u60c5\u666f\u3002<\/p>\n<p>\u5728 Linux \u4e2d\uff0c**\u5b88\u62a4\u8fdb\u7a0b\uff08Daemon Process\uff09**\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u540e\u53f0\u8fdb\u7a0b\uff0c\u901a\u5e38\u7528\u4e8e\u957f\u671f\u8fd0\u884c\u7684\u670d\u52a1\u6216\u4efb\u52a1\uff08\u5982 Web \u670d\u52a1\u5668\u3001\u6570\u636e\u5e93\u670d\u52a1\u7b49\uff09\u3002\u5b83\u5b8c\u5168\u8131\u79bb\u7ec8\u7aef\u63a7\u5236\uff0c\u72ec\u7acb\u4e8e\u7528\u6237\u4f1a\u8bdd\uff0c\u751f\u547d\u5468\u671f\u4e0e\u7cfb\u7edf\u8fd0\u884c\u4e00\u81f4\u3002\u4ee5\u4e0b\u662f\u5b88\u62a4\u8fdb\u7a0b\u7684\u7279\u70b9\u53ca\u793a\u4f8b\uff1a<\/p>\n<hr>\n<h2 id=\"%E4%BA%8C%E3%80%81%E5%AE%88%E6%8A%A4%E8%BF%9B%E7%A8%8B%C2%A0\" style=\"background-color:transparent\">\u4e8c\u3001\u5b88\u62a4\u8fdb\u7a0b&nbsp;<\/h2>\n<\/p>\n<h4 id=\"1.%20%E5%AE%88%E6%8A%A4%E8%BF%9B%E7%A8%8B%E7%9A%84%E6%A0%B8%E5%BF%83%E7%89%B9%E7%82%B9\">1. \u5b88\u62a4\u8fdb\u7a0b\u7684\u6838\u5fc3\u7279\u70b9<\/h4>\n<ul>\n<li>\n<p>\u8131\u79bb\u7ec8\u7aef\uff1a\u4e0d\u4f9d\u8d56\u4e8e\u4efb\u4f55\u7ec8\u7aef\uff0c\u5373\u4f7f\u542f\u52a8\u5b83\u7684\u7ec8\u7aef\u5173\u95ed\uff0c\u5b88\u62a4\u8fdb\u7a0b\u4f9d\u7136\u8fd0\u884c\u3002<\/p>\n<\/li>\n<li>\n<p>\u65e0\u4ea4\u4e92\u754c\u9762\uff1a\u4e0d\u4e0e\u7528\u6237\u76f4\u63a5\u4ea4\u4e92\uff0c\u901a\u5e38\u4ee5\u9759\u9ed8\u6a21\u5f0f\u8fd0\u884c\u3002<\/p>\n<\/li>\n<li>\n<p>\u957f\u671f\u8fd0\u884c\uff1a\u6301\u7eed\u9a7b\u7559\u5185\u5b58\uff0c\u63d0\u4f9b\u7cfb\u7edf\u7ea7\u670d\u52a1\u3002<\/p>\n<\/li>\n<li>\n<p>\u72ec\u7acb\u73af\u5883\uff1a<\/p>\n<ul>\n<li>\n<p>\u5de5\u4f5c\u76ee\u5f55\u901a\u5e38\u8bbe\u7f6e\u4e3a\u6839\u76ee\u5f55\uff08\/\uff09\uff0c\u907f\u514d\u5360\u7528\u6302\u8f7d\u70b9\u3002<\/p>\n<\/li>\n<li>\n<p>\u6587\u4ef6\u6743\u9650\u63a9\u7801\uff08umask\uff09\u8bbe\u4e3a&nbsp;0\uff0c\u786e\u4fdd\u6587\u4ef6\u64cd\u4f5c\u6743\u9650\u53ef\u63a7\u3002<\/p>\n<\/li>\n<li>\n<p>\u5173\u95ed\u4e0d\u5fc5\u8981\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\uff08\u5982\u6807\u51c6\u8f93\u5165\u3001\u8f93\u51fa\u3001\u9519\u8bef\u6d41\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr>\n<h4 id=\"2.%20%E5%B8%B8%E8%A7%81%E5%AE%88%E6%8A%A4%E8%BF%9B%E7%A8%8B%E7%A4%BA%E4%BE%8B\" style=\"background-color:transparent\">2. \u5e38\u89c1\u5b88\u62a4\u8fdb\u7a0b\u793a\u4f8b<\/h4>\n<ul>\n<li>\n<p>\u7cfb\u7edf\u670d\u52a1\uff1a<\/p>\n<ul>\n<li>\n<p>sshd\uff1aSSH \u8fdc\u7a0b\u767b\u5f55\u670d\u52a1\u3002<\/p>\n<\/li>\n<li>\n<p>nginx\/apache\uff1aWeb \u670d\u52a1\u5668\u3002<\/p>\n<\/li>\n<li>\n<p>cron\uff1a\u5b9a\u65f6\u4efb\u52a1\u8c03\u5ea6\u670d\u52a1\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u81ea\u5b9a\u4e49\u5b88\u62a4\u8fdb\u7a0b\uff1a<\/p>\n<ul>\n<li>\n<p>\u65e5\u5fd7\u76d1\u63a7\u811a\u672c\u3002<\/p>\n<\/li>\n<li>\n<p>\u81ea\u52a8\u5316\u5907\u4efd\u670d\u52a1\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr>\n<h4 id=\"3.%E6%8E%A5%E5%8F%A3%E4%BB%8B%E7%BB%8D\" style=\"background-color:transparent\">3.\u63a5\u53e3\u4ecb\u7ecd<\/h4>\n<h5 id=\"1%E3%80%81%C2%A0fork()\">1\u3001&nbsp;fork()<\/h5>\n<ul>\n<li>\u529f\u80fd\uff1a\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u8fdb\u7a0b\uff0c\u8fd9\u4e2a\u65b0\u8fdb\u7a0b\u662f\u8c03\u7528\u8fdb\u7a0b\uff08\u7236\u8fdb\u7a0b\uff09\u7684\u526f\u672c\uff0c\u88ab\u79f0\u4e3a\u5b50\u8fdb\u7a0b\u3002\u5728\u8c03\u7528&nbsp;fork()&nbsp;\u4e4b\u540e\uff0c\u7236\u8fdb\u7a0b\u548c\u5b50\u8fdb\u7a0b\u4f1a\u4ece&nbsp;fork()&nbsp;\u8c03\u7528\u5904\u5f00\u59cb\u7ee7\u7eed\u6267\u884c\uff0c\u901a\u8fc7&nbsp;fork()&nbsp;\u7684\u8fd4\u56de\u503c\u6765\u533a\u5206\u662f\u7236\u8fdb\u7a0b\u8fd8\u662f<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb3.3w\u6b21\uff0c\u70b9\u8d5e21\u6b21\uff0c\u6536\u85cf34\u6b21\u3002Linux\u2014\u2014\u7f51\u7edc\uff08tcp\uff09-CSDN\u535a\u5ba21\u3001fork()\u529f\u80fd\uff1a\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u8fdb\u7a0b\uff0c\u8fd9\u4e2a\u65b0\u8fdb\u7a0b\u662f\u8c03\u7528\u8fdb\u7a0b\uff08\u7236\u8fdb\u7a0b\uff09\u7684\u526f\u672c\uff0c\u88ab\u79f0\u4e3a\u5b50\u8fdb\u7a0b\u3002\u5728\u8c03\u7528fork()\u4e4b\u540e\uff0c\u7236\u8fdb\u7a0b\u548c\u5b50\u8fdb\u7a0b\u4f1a\u4ecefork()\u8c03\u7528\u5904\u5f00\u59cb\u7ee7\u7eed\u6267\u884c\uff0c\u901a\u8fc7fork()\u7684\u8fd4\u56de\u503c\u6765\u533a\u5206\u662f\u7236\u8fdb\u7a0b\u8fd8\u662f\u5b50\u8fdb\u7a0b\u3002\u8fd4\u56de\u503c\u5728\u7236\u8fdb\u7a0b\u4e2d\uff0c\u8fd4\u56de\u5b50\u8fdb\u7a0b\u7684\u8fdb\u7a0b ID\uff08PID\uff09\uff0c\u662f\u4e00\u4e2a\u6b63\u6574\u6570\u3002\u5728\u5b50\u8fdb\u7a0b\u4e2d\uff0c\u8fd4\u56de 0\u3002\u5982\u679c\u51fa\u9519\uff0c\u8fd4\u56de -1\u3002\u793a\u4f8b\u4ee3\u7801return 1;\/\/ \u5b50\u8fdb\u7a0b} else {\/\/ \u7236\u8fdb\u7a0breturn 0;_linux \u5b88\u62a4\u8fdb\u7a0b<\/p>\n","protected":false},"author":2,"featured_media":23692,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,43,44],"topic":[],"class_list":["post-23693","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-43","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>linux\u2014\u2014\u7f51\u7edc\uff08\u670d\u52a1\u5668\u7684\u6c38\u4e45\u4e0d\u6302\u2014\u2014\u5b88\u62a4\u8fdb\u7a0b\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/23693.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"linux\u2014\u2014\u7f51\u7edc\uff08\u670d\u52a1\u5668\u7684\u6c38\u4e45\u4e0d\u6302\u2014\u2014\u5b88\u62a4\u8fdb\u7a0b\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb3.3w\u6b21\uff0c\u70b9\u8d5e21\u6b21\uff0c\u6536\u85cf34\u6b21\u3002Linux\u2014\u2014\u7f51\u7edc\uff08tcp\uff09-CSDN\u535a\u5ba21\u3001fork()\u529f\u80fd\uff1a\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u8fdb\u7a0b\uff0c\u8fd9\u4e2a\u65b0\u8fdb\u7a0b\u662f\u8c03\u7528\u8fdb\u7a0b\uff08\u7236\u8fdb\u7a0b\uff09\u7684\u526f\u672c\uff0c\u88ab\u79f0\u4e3a\u5b50\u8fdb\u7a0b\u3002\u5728\u8c03\u7528fork()\u4e4b\u540e\uff0c\u7236\u8fdb\u7a0b\u548c\u5b50\u8fdb\u7a0b\u4f1a\u4ecefork()\u8c03\u7528\u5904\u5f00\u59cb\u7ee7\u7eed\u6267\u884c\uff0c\u901a\u8fc7fork()\u7684\u8fd4\u56de\u503c\u6765\u533a\u5206\u662f\u7236\u8fdb\u7a0b\u8fd8\u662f\u5b50\u8fdb\u7a0b\u3002\u8fd4\u56de\u503c\u5728\u7236\u8fdb\u7a0b\u4e2d\uff0c\u8fd4\u56de\u5b50\u8fdb\u7a0b\u7684\u8fdb\u7a0b ID\uff08PID\uff09\uff0c\u662f\u4e00\u4e2a\u6b63\u6574\u6570\u3002\u5728\u5b50\u8fdb\u7a0b\u4e2d\uff0c\u8fd4\u56de 0\u3002\u5982\u679c\u51fa\u9519\uff0c\u8fd4\u56de -1\u3002\u793a\u4f8b\u4ee3\u7801return 1;\/\/ \u5b50\u8fdb\u7a0b} else {\/\/ \u7236\u8fdb\u7a0breturn 0;_linux \u5b88\u62a4\u8fdb\u7a0b\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/23693.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-19T00:23:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419002318-6802ecf614bd5.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" 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