{"id":2148,"date":"2017-04-30T10:31:42","date_gmt":"2017-04-30T02:31:42","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=2148"},"modified":"2025-01-13T20:02:40","modified_gmt":"2025-01-13T12:02:40","slug":"%e5%85%b3%e4%ba%8e-linux-%e8%bf%9b%e7%a8%8b%e4%bd%a0%e6%89%80%e9%9c%80%e8%a6%81%e7%9f%a5%e9%81%93%e7%9a%84%e4%b8%80%e5%88%87","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/uncategorized\/%e5%85%b3%e4%ba%8e-linux-%e8%bf%9b%e7%a8%8b%e4%bd%a0%e6%89%80%e9%9c%80%e8%a6%81%e7%9f%a5%e9%81%93%e7%9a%84%e4%b8%80%e5%88%87\/","title":{"rendered":"\u5173\u4e8e Linux \u8fdb\u7a0b\u4f60\u6240\u9700\u8981\u77e5\u9053\u7684\u4e00\u5207"},"content":{"rendered":"\n<p><ruby>\u8fdb\u7a0b<rp>\uff08<\/rp><rt>process<\/rt><rp>\uff09<\/rp><\/ruby>\u662f\u6307\u6b63\u5728\u6267\u884c\u7684\u7a0b\u5e8f\uff1b\u662f\u7a0b\u5e8f\u6b63\u5728\u8fd0\u884c\u7684\u4e00\u4e2a\u5b9e\u4f8b\u3002\u5b83\u7531\u7a0b\u5e8f\u6307\u4ee4\uff0c\u548c\u4ece\u6587\u4ef6\u3001\u5176\u5b83\u7a0b\u5e8f\u4e2d\u8bfb\u53d6\u7684\u6570\u636e\u6216\u7cfb\u7edf\u7528\u6237\u7684\u8f93\u5165\u7ec4\u6210\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc_1\">\u8fdb\u7a0b\u7684\u7c7b\u578b<\/h3>\n\n\n\n<p>\u5728 Linux \u4e2d\u4e3b\u8981\u6709\u4e24\u79cd\u7c7b\u578b\u7684\u8fdb\u7a0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u524d\u53f0\u8fdb\u7a0b\uff08\u4e5f\u79f0\u4e3a\u4ea4\u4e92\u5f0f\u8fdb\u7a0b\uff09 &#8211; \u8fd9\u4e9b\u8fdb\u7a0b\u7531\u7ec8\u7aef\u4f1a\u8bdd\u521d\u59cb\u5316\u548c\u63a7\u5236\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u9700\u8981\u6709\u4e00\u4e2a\u8fde\u63a5\u5230\u7cfb\u7edf\u4e2d\u7684\u7528\u6237\u6765\u542f\u52a8\u8fd9\u6837\u7684\u8fdb\u7a0b\uff1b\u5b83\u4eec\u4e0d\u662f\u4f5c\u4e3a\u7cfb\u7edf\u529f\u80fd\/\u670d\u52a1\u7684\u4e00\u90e8\u5206\u81ea\u52a8\u542f\u52a8\u3002<\/li>\n\n\n\n<li>\u540e\u53f0\u8fdb\u7a0b\uff08\u4e5f\u79f0\u4e3a\u975e\u4ea4\u4e92\u5f0f\/\u81ea\u52a8\u8fdb\u7a0b\uff09 &#8211; \u8fd9\u4e9b\u8fdb\u7a0b\u6ca1\u6709\u8fde\u63a5\u5230\u7ec8\u7aef\uff1b\u5b83\u4eec\u4e0d\u9700\u8981\u4efb\u4f55\u7528\u6237\u8f93\u5165\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"toc_2\">\u4ec0\u4e48\u662f<ruby>\u5b88\u62a4\u8fdb\u7a0b<rp>\uff08<\/rp><rt>daemon<\/rt><rp>\uff09<\/rp><\/ruby><\/h4>\n\n\n\n<p>\u8fd9\u662f\u540e\u53f0\u8fdb\u7a0b\u7684\u7279\u6b8a\u7c7b\u578b\uff0c\u5b83\u4eec\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\u542f\u52a8\uff0c\u5e76\u4f5c\u4e3a\u670d\u52a1\u4e00\u76f4\u8fd0\u884c\uff1b\u5b83\u4eec\u4e0d\u4f1a\u6b7b\u4ea1\u3002\u5b83\u4eec\u81ea\u53d1\u5730\u4f5c\u4e3a\u7cfb\u7edf\u4efb\u52a1\u542f\u52a8\uff08\u4f5c\u4e3a\u670d\u52a1\u8fd0\u884c\uff09\u3002\u4f46\u662f\uff0c\u5b83\u4eec\u80fd\u88ab\u7528\u6237\u901a\u8fc7 init \u8fdb\u7a0b\u63a7\u5236\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/daemon.png\"><img loading=\"lazy\" decoding=\"async\" width=\"679\" height=\"438\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/daemon.png\" alt=\"\" class=\"wp-image-9355\" title=\"Linux \u8fdb\u7a0b\u72b6\u6001\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/daemon.png 679w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/daemon-300x194.png 300w\" sizes=\"auto, (max-width: 679px) 100vw, 679px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><a class=\"ext\" href=\"https:\/\/www.tecmint.com\/wp-content\/uploads\/2017\/03\/ProcessState.png\" target=\"_blank\" rel=\"external nofollow noopener\">  <\/a><\/p>\n\n\n\n<p class=\"article_img_desc\"><em>Linux \u8fdb\u7a0b\u72b6\u6001<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc_3\">\u5728 Linux \u4e2d\u521b\u5efa\u8fdb\u7a0b<\/h3>\n\n\n\n<p>\uff08LCTT \u8bd1\u6ce8\uff1a\u6b64\u8282\u539f\u6587\u4e0d\u786e\uff0c\u6839\u636e\u8bd1\u8005\u7406\u89e3\u91cd\u65b0\u63d0\u4f9b\uff09<\/p>\n\n\n\n<p>\u5728 Linux \u4e2d\u521b\u5efa\u8fdb\u7a0b\u6709\u4e09\u79cd\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"toc_4\">fork() \u65b9\u5f0f<\/h4>\n\n\n\n<p>\u4f7f\u7528 fork() \u51fd\u6570\u4ee5\u7236\u8fdb\u7a0b\u4e3a\u84dd\u672c\u590d\u5236\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u5176 PID\u53f7\u4e0e\u7236\u8fdb\u7a0b PID \u53f7\u4e0d\u540c\u3002\u5728 Linux \u73af\u5883\u4e0b\uff0cfork() \u662f\u4ee5\u5199\u590d\u5236\u5b9e\u73b0\u7684\uff0c\u65b0\u7684\u5b50\u8fdb\u7a0b\u7684\u73af\u5883\u548c\u7236\u8fdb\u7a0b\u4e00\u6837\uff0c\u53ea\u6709\u5185\u5b58\u4e0e\u7236\u8fdb\u7a0b\u4e0d\u540c\uff0c\u5176\u4ed6\u4e0e\u7236\u8fdb\u7a0b\u5171\u4eab\uff0c\u53ea\u6709\u5728\u7236\u8fdb\u7a0b\u6216\u8005\u5b50\u8fdb\u7a0b\u8fdb\u884c\u4e86\u4fee\u6539\u540e\uff0c\u624d\u91cd\u65b0\u751f\u6210\u4e00\u4efd\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"toc_5\">system() \u65b9\u5f0f<\/h4>\n\n\n\n<p>system() \u51fd\u6570\u4f1a\u8c03\u7528 <code>\/bin\/sh \u2013c command<\/code> \u6765\u6267\u884c\u7279\u5b9a\u7684\u547d\u4ee4\uff0c\u5e76\u4e14\u963b\u585e\u5f53\u524d\u8fdb\u7a0b\u7684\u6267\u884c\uff0c\u76f4\u5230 command \u547d\u4ee4\u6267\u884c\u5b8c\u6bd5\u3002\u65b0\u7684\u5b50\u8fdb\u7a0b\u4f1a\u6709\u65b0\u7684 PID\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"toc_6\">exec() \u65b9\u5f0f<\/h4>\n\n\n\n<p>exec() \u65b9\u5f0f\u6709\u82e5\u5e72\u79cd\u4e0d\u540c\u7684\u51fd\u6570\uff0c\u4e0e\u4e4b\u524d\u7684 fork() \u548c system() \u51fd\u6570\u4e0d\u540c\uff0cexec() \u65b9\u5f0f\u4f1a\u7528\u65b0\u8fdb\u7a0b\u4ee3\u66ff\u539f\u6709\u7684\u8fdb\u7a0b\uff0c\u7cfb\u7edf\u4f1a\u4ece\u65b0\u7684\u8fdb\u7a0b\u8fd0\u884c\uff0c\u65b0\u7684\u8fdb\u7a0b\u7684 PID \u503c\u4f1a\u4e0e\u539f\u6765\u7684\u8fdb\u7a0b\u7684 PID \u503c\u76f8\u540c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc_7\">Linux \u5982\u4f55\u8bc6\u522b\u8fdb\u7a0b\uff1f<\/h3>\n\n\n\n<p>\u7531\u4e8e Linux \u662f\u4e00\u4e2a\u591a\u7528\u6237\u7cfb\u7edf\uff0c\u610f\u5473\u7740\u4e0d\u540c\u7684\u7528\u6237\u53ef\u4ee5\u5728\u7cfb\u7edf\u4e0a\u8fd0\u884c\u5404\u79cd\u5404\u6837\u7684\u7a0b\u5e8f\uff0c\u5185\u6838\u5fc5\u987b\u552f\u4e00\u6807\u8bc6\u7a0b\u5e8f\u8fd0\u884c\u7684\u6bcf\u4e2a\u5b9e\u4f8b\u3002<\/p>\n\n\n\n<p>\u7a0b\u5e8f\u7531\u5b83\u7684\u8fdb\u7a0b ID\uff08PID\uff09\u548c\u5b83\u7236\u8fdb\u7a0b\u7684\u8fdb\u7a0b ID\uff08PPID\uff09\u8bc6\u522b\uff0c\u56e0\u6b64\u8fdb\u7a0b\u53ef\u4ee5\u88ab\u5206\u7c7b\u4e3a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7236\u8fdb\u7a0b &#8211; \u8fd9\u4e9b\u662f\u5728\u8fd0\u884c\u65f6\u521b\u5efa\u5176\u5b83\u8fdb\u7a0b\u7684\u8fdb\u7a0b\u3002<\/li>\n\n\n\n<li>\u5b50\u8fdb\u7a0b &#8211; \u8fd9\u4e9b\u662f\u5728\u8fd0\u884c\u65f6\u7531\u5176\u5b83\u8fdb\u7a0b\u521b\u5efa\u7684\u8fdb\u7a0b\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"toc_8\">init \u8fdb\u7a0b<\/h4>\n\n\n\n<p>init \u8fdb\u7a0b\u662f\u7cfb\u7edf\u4e2d\u6240\u6709\u8fdb\u7a0b\u7684\u7236\u8fdb\u7a0b\uff0c\u5b83\u662f\u542f\u52a8 Linux \u7cfb\u7edf\u540e\u7b2c\u4e00\u4e2a\u8fd0\u884c\u7684\u7a0b\u5e8f\uff1b\u5b83\u7ba1\u7406\u7740\u7cfb\u7edf\u4e0a\u7684\u6240\u6709\u5176\u5b83\u8fdb\u7a0b\u3002\u5b83\u7531\u5185\u6838\u81ea\u8eab\u542f\u52a8\uff0c\u56e0\u6b64\u7406\u8bba\u4e0a\u8bf4\u5b83\u6ca1\u6709\u7236\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<p>init \u8fdb\u7a0b\u7684\u8fdb\u7a0b ID \u603b\u662f\u4e3a 1\u3002\u5b83\u662f\u6240\u6709\u5b64\u513f\u8fdb\u7a0b\u7684\u6536\u517b\u7236\u6bcd\u3002\uff08\u5b83\u4f1a\u6536\u517b\u6240\u6709\u5b64\u513f\u8fdb\u7a0b\uff09\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"toc_9\">\u67e5\u627e\u8fdb\u7a0b ID<\/h4>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u7528 pidof \u547d\u4ee4\u67e5\u627e\u67d0\u4e2a\u8fdb\u7a0b\u7684\u8fdb\u7a0b ID\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"com\">#<\/span> <span class=\"kwd\">pidof<\/span> <span class=\"kwd\">systemd<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"com\">#<\/span> <span class=\"kwd\">pidof<\/span> <span class=\"kwd\">top<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"com\">#<\/span> <span class=\"kwd\">pidof<\/span><span class=\"pln\"> httpd<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/pidof.png\"><img loading=\"lazy\" decoding=\"async\" width=\"508\" height=\"135\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/pidof.png\" alt=\"\" class=\"wp-image-9356\" title=\"\u67e5\u627e Linux \u8fdb\u7a0b ID\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/pidof.png 508w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/pidof-300x80.png 300w\" sizes=\"auto, (max-width: 508px) 100vw, 508px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><\/p>\n\n\n\n<p class=\"article_img_desc\"><em>\u67e5\u627e Linux \u8fdb\u7a0b ID<\/em><\/p>\n\n\n\n<p>\u8981\u67e5\u627e\u5f53\u524d shell \u7684\u8fdb\u7a0b ID \u4ee5\u53ca\u5b83\u7236\u8fdb\u7a0b\u7684\u8fdb\u7a0b ID\uff0c\u53ef\u4ee5\u8fd0\u884c\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">echo<\/span><span class=\"pln\"> $$<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">echo<\/span><span class=\"pln\"> $PPID<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/echo.png\"><img loading=\"lazy\" decoding=\"async\" width=\"508\" height=\"97\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/echo.png\" alt=\"\" class=\"wp-image-9357\" title=\"\u67e5\u627e Linux \u7236\u8fdb\u7a0b ID\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/echo.png 508w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/echo-300x57.png 300w\" sizes=\"auto, (max-width: 508px) 100vw, 508px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><\/p>\n\n\n\n<p class=\"article_img_desc\"><em>\u67e5\u627e Linux \u7236\u8fdb\u7a0b ID<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc_10\">\u5728 Linux \u4e2d\u542f\u52a8\u8fdb\u7a0b<\/h3>\n\n\n\n<p>\u6bcf\u6b21\u4f60\u8fd0\u884c\u4e00\u4e2a\u547d\u4ee4\u6216\u7a0b\u5e8f\uff08\u4f8b\u5982 cloudcmd &#8211; CloudCommander\uff09\uff0c\u5b83\u5c31\u4f1a\u5728\u7cfb\u7edf\u4e2d\u542f\u52a8\u4e00\u4e2a\u8fdb\u7a0b\u3002\u4f60\u53ef\u4ee5\u6309\u7167\u4e0b\u9762\u7684\u65b9\u5f0f\u542f\u52a8\u4e00\u4e2a\u524d\u53f0\uff08\u4ea4\u4e92\u5f0f\uff09\u8fdb\u7a0b\uff0c\u5b83\u4f1a\u88ab\u8fde\u63a5\u5230\u7ec8\u7aef\uff0c\u7528\u6237\u53ef\u4ee5\u53d1\u9001\u8f93\u5165\u7ed9\u5b83\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"com\">#<\/span><span class=\"pln\"> cloudcmd<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/cloudcmd.png\"><img loading=\"lazy\" decoding=\"async\" width=\"336\" height=\"91\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/cloudcmd.png\" alt=\"\" class=\"wp-image-9358\" title=\"\u542f\u52a8 Linux \u4ea4\u4e92\u8fdb\u7a0b\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/cloudcmd.png 336w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/cloudcmd-300x81.png 300w\" sizes=\"auto, (max-width: 336px) 100vw, 336px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><\/p>\n\n\n\n<p class=\"article_img_desc\"><em>\u542f\u52a8 Linux \u4ea4\u4e92\u8fdb\u7a0b<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"toc_11\">Linux \u540e\u53f0\u4efb\u52a1<\/h4>\n\n\n\n<p>\u8981\u5728\u540e\u53f0\uff08\u975e\u4ea4\u4e92\u5f0f\uff09\u542f\u52a8\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u4f7f\u7528 <code>&amp;<\/code> \u7b26\u53f7\uff0c\u6b64\u65f6\uff0c\u8be5\u8fdb\u7a0b\u4e0d\u4f1a\u4ece\u7528\u6237\u4e2d\u8bfb\u53d6\u8f93\u5165\uff0c\u76f4\u5230\u5b83\u88ab\u79fb\u5230\u524d\u53f0\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"com\">#<\/span><span class=\"pln\"> cloudcmd <\/span><span class=\"pun\">&amp;<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"com\">#<\/span><span class=\"pln\"> jobs<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/cloudcmd2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"502\" height=\"173\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/cloudcmd2.png\" alt=\"\" class=\"wp-image-9360\" title=\"\u5728\u540e\u53f0\u542f\u52a8 Linux \u8fdb\u7a0b\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/cloudcmd2.png 502w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/cloudcmd2-300x103.png 300w\" sizes=\"auto, (max-width: 502px) 100vw, 502px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><\/p>\n\n\n\n<p class=\"article_img_desc\"><em>\u5728\u540e\u53f0\u542f\u52a8 Linux \u8fdb\u7a0b<\/em><\/p>\n\n\n\n<p>\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528 <code>Ctrl + Z<\/code>&nbsp;\u6682\u505c\u6267\u884c\u4e00\u4e2a\u7a0b\u5e8f\u5e76\u628a\u5b83\u53d1\u9001\u5230\u540e\u53f0\uff0c\u5b83\u4f1a\u7ed9\u8fdb\u7a0b\u53d1\u9001 SIGSTOP \u4fe1\u53f7\uff0c\u4ece\u800c\u6682\u505c\u5b83\u7684\u6267\u884c\uff1b\u5b83\u5c31\u4f1a\u53d8\u4e3a\u7a7a\u95f2\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"com\">#<\/span> <span class=\"kwd\">tar<\/span> <span class=\"pun\">-<\/span><span class=\"pln\">cf backup<\/span><span class=\"pun\">.<\/span><span class=\"kwd\">tar<\/span> <span class=\"pun\">\/<\/span><span class=\"pln\">backups<\/span><span class=\"com\">\/* ### \u6309\u4e0b Ctrl+Z<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"com\"># jobs<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<p>\u8981\u5728\u540e\u53f0\u7ee7\u7eed\u8fd0\u884c\u4e0a\u9762\u88ab\u6682\u505c\u7684\u547d\u4ee4\uff0c\u4f7f\u7528 <code>bg<\/code> \u547d\u4ee4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"com\">#<\/span><span class=\"pln\"> bg<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<p>\u8981\u628a\u540e\u53f0\u8fdb\u7a0b\u53d1\u9001\u5230\u524d\u53f0\uff0c\u4f7f\u7528 <code>fg<\/code> \u547d\u4ee4\u4ee5\u53ca\u4efb\u52a1\u7684 ID\uff0c\u7c7b\u4f3c\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"com\">#<\/span><span class=\"pln\"> jobs<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"com\">#<\/span><span class=\"pln\"> fg <\/span><span class=\"pun\">%<\/span><span class=\"lit\">1<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/tarcf.png\"><img loading=\"lazy\" decoding=\"async\" width=\"688\" height=\"249\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/tarcf.png\" alt=\"\" class=\"wp-image-9361\" title=\"Linux \u540e\u53f0\u8fdb\u7a0b\u4efb\u52a1\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/tarcf.png 688w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/tarcf-300x109.png 300w\" sizes=\"auto, (max-width: 688px) 100vw, 688px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><\/p>\n\n\n\n<p class=\"article_img_desc\"><em>Linux \u540e\u53f0\u8fdb\u7a0b\u4efb\u52a1<\/em><\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc_12\">Linux \u4e2d\u8fdb\u7a0b\u7684\u72b6\u6001<\/h3>\n\n\n\n<p>\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u53d6\u51b3\u4e8e\u5b83\u7684\u73af\u5883\u4e00\u4e2a\u8fdb\u7a0b\u4f1a\u4ece\u4e00\u4e2a\u72b6\u6001\u8f6c\u53d8\u5230\u53e6\u4e00\u4e2a\u72b6\u6001\u3002\u5728 Linux \u4e2d\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u6709\u4e0b\u9762\u7684\u53ef\u80fd\u72b6\u6001\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Running &#8211; \u6b64\u65f6\u5b83\u6b63\u5728\u8fd0\u884c\uff08\u5b83\u662f\u7cfb\u7edf\u4e2d\u7684\u5f53\u524d\u8fdb\u7a0b\uff09\u6216\u51c6\u5907\u8fd0\u884c\uff08\u5b83\u6b63\u5728\u7b49\u5f85\u5206\u914d CPU \u5355\u5143\uff09\u3002<\/li>\n\n\n\n<li>Waiting &#8211; \u5728\u8fd9\u4e2a\u72b6\u6001\uff0c\u8fdb\u7a0b\u6b63\u5728\u7b49\u5f85\u67d0\u4e2a\u4e8b\u4ef6\u7684\u53d1\u751f\u6216\u8005\u7cfb\u7edf\u8d44\u6e90\u3002\u53e6\u5916\uff0c\u5185\u6838\u4e5f\u4f1a\u533a\u5206\u4e24\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u7b49\u5f85\u8fdb\u7a0b\uff1b<ruby>\u53ef\u4e2d\u65ad\u7b49\u5f85\u8fdb\u7a0b<rp>\uff08<\/rp><rt>interruptible waiting processes<\/rt><rp>\uff09<\/rp><\/ruby> &#8211; \u53ef\u4ee5\u88ab\u4fe1\u53f7\u4e2d\u65ad\uff0c\u4ee5\u53ca<ruby>\u4e0d\u53ef\u4e2d\u65ad\u7b49\u5f85\u8fdb\u7a0b<rp>\uff08<\/rp><rt>uninterruptible waiting processes<\/rt><rp>\uff09<\/rp><\/ruby>&#8211; \u6b63\u5728\u7b49\u5f85\u786c\u4ef6\u6761\u4ef6\uff0c\u4e0d\u80fd\u88ab\u4efb\u4f55\u4e8b\u4ef6\/\u4fe1\u53f7\u4e2d\u65ad\u3002<\/li>\n\n\n\n<li>Stopped &#8211; \u5728\u8fd9\u4e2a\u72b6\u6001\uff0c\u8fdb\u7a0b\u5df2\u7ecf\u88ab\u505c\u6b62\u4e86\uff0c\u901a\u5e38\u662f\u7531\u4e8e\u6536\u5230\u4e86\u4e00\u4e2a\u4fe1\u53f7\u3002\u4f8b\u5982\uff0c\u6b63\u5728\u88ab\u8c03\u8bd5\u7684\u8fdb\u7a0b\u3002<\/li>\n\n\n\n<li>Zombie &#8211; \u8be5\u8fdb\u7a0b\u5df2\u7ecf\u6b7b\u4ea1\uff0c\u5b83\u5df2\u7ecf\u505c\u6b62\u4e86\u4f46\u662f<ruby>\u8fdb\u7a0b\u8868<rp>\uff08<\/rp><rt>process table<\/rt><rp>\uff09<\/rp><\/ruby>\u4e2d\u4ecd\u7136\u6709\u5b83\u7684\u6761\u76ee\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc_13\">\u5982\u4f55\u5728 Linux \u4e2d\u67e5\u770b\u6d3b\u8dc3\u8fdb\u7a0b<\/h3>\n\n\n\n<p>\u6709\u5f88\u591a Linux \u5de5\u5177\u53ef\u4ee5\u7528\u4e8e\u67e5\u770b\/\u5217\u51fa\u7cfb\u7edf\u4e2d\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\uff0c\u4e24\u4e2a\u4f20\u7edf\u4f17\u6240\u5468\u77e5\u7684\u662f ps \u548c top \u547d\u4ee4\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"toc_14\">1. ps \u547d\u4ee4<\/h4>\n\n\n\n<p>\u5b83\u663e\u793a\u88ab\u9009\u4e2d\u7684\u7cfb\u7edf\u4e2d\u6d3b\u8dc3\u8fdb\u7a0b\u7684\u4fe1\u606f\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"com\">#<\/span> <span class=\"kwd\">ps<\/span> <\/code><\/li>\n\n\n\n<li><code><span class=\"com\">#<\/span> <span class=\"kwd\">ps<\/span> <span class=\"pun\">-<\/span><span class=\"pln\">e <\/span><span class=\"pun\">|<\/span> <span class=\"kwd\">head<\/span> <\/code><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/ps.png\"><img loading=\"lazy\" decoding=\"async\" width=\"547\" height=\"325\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/ps.png\" alt=\"\" class=\"wp-image-9362\" title=\"\u5217\u51fa Linux \u6d3b\u8dc3\u8fdb\u7a0b\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/ps.png 547w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/ps-300x178.png 300w\" sizes=\"auto, (max-width: 547px) 100vw, 547px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><\/p>\n\n\n\n<p class=\"article_img_desc\"><em>\u5217\u51fa Linux \u6d3b\u8dc3\u8fdb\u7a0b<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"toc_15\">2. top &#8211; \u7cfb\u7edf\u76d1\u63a7\u5de5\u5177<\/h4>\n\n\n\n<p>top \u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u5b83\u80fd\u7ed9\u4f60\u63d0\u4f9b \u8fd0\u884c\u7cfb\u7edf\u7684\u52a8\u6001\u5b9e\u65f6\u89c6\u56fe\uff0c\u5982\u4e0b\u9762\u622a\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"com\">#<\/span> <span class=\"kwd\">top<\/span> <\/code><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/top.png\"><img loading=\"lazy\" decoding=\"async\" width=\"818\" height=\"458\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/top.png\" alt=\"\" class=\"wp-image-9363\" title=\"\u5217\u51fa Linux \u6b63\u5728\u8fd0\u884c\u7684\u7a0b\u5e8f\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/top.png 818w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/top-300x168.png 300w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/top-768x430.png 768w\" sizes=\"auto, (max-width: 818px) 100vw, 818px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><\/p>\n\n\n\n<p class=\"article_img_desc\"><em>\u5217\u51fa Linux \u6b63\u5728\u8fd0\u884c\u7684\u7a0b\u5e8f<\/em><\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"toc_16\">3. glances &#8211; \u7cfb\u7edf\u76d1\u63a7\u5de5\u5177<\/h4>\n\n\n\n<p>glances \u662f\u4e00\u4e2a\u76f8\u5bf9\u6bd4\u8f83\u65b0\u7684\u7cfb\u7edf\u76d1\u63a7\u5de5\u5177\uff0c\u5b83\u6709\u4e00\u4e9b\u6bd4\u8f83\u9ad8\u7ea7\u7684\u529f\u80fd\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"com\">#<\/span><span class=\"pln\"> glances<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/glances.png\"><img loading=\"lazy\" decoding=\"async\" width=\"928\" height=\"496\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/glances.png\" alt=\"\" class=\"wp-image-9364\" title=\"Glances \u2013 Linux \u8fdb\u7a0b\u76d1\u63a7\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/glances.png 928w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/glances-300x160.png 300w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/glances-768x410.png 768w\" sizes=\"auto, (max-width: 928px) 100vw, 928px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><\/p>\n\n\n\n<p class=\"article_img_desc\"><em>Glances \u2013 Linux \u8fdb\u7a0b\u76d1\u63a7<\/em><\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc_17\">\u5982\u4f55\u5728 Linux \u4e2d\u63a7\u5236\u8fdb\u7a0b<\/h3>\n\n\n\n<p>Linux \u4e5f\u6709\u4e00\u4e9b\u547d\u4ee4\u7528\u4e8e\u63a7\u5236\u8fdb\u7a0b\uff0c\u4f8b\u5982 <code>kill<\/code>\u3001<code>pkill<\/code>\u3001<code>pgrep<\/code> \u548c <code>killall<\/code>\uff0c\u4e0b\u9762\u662f\u4e00\u4e9b\u5982\u4f55\u4f7f\u7528\u5b83\u4eec\u7684\u57fa\u672c\u4e8b\u4f8b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">pgrep<\/span> <span class=\"pun\">-<\/span><span class=\"pln\">u tecmint <\/span><span class=\"kwd\">top<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">kill<\/span> <span class=\"lit\">2308<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">pgrep<\/span> <span class=\"pun\">-<\/span><span class=\"pln\">u tecmint <\/span><span class=\"kwd\">top<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">pgrep<\/span> <span class=\"pun\">-<\/span><span class=\"pln\">u tecmint glances<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">pkill<\/span><span class=\"pln\"> glances<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">pgrep<\/span> <span class=\"pun\">-<\/span><span class=\"pln\">u tecmint glances<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/pgrep.png\"><img loading=\"lazy\" decoding=\"async\" width=\"568\" height=\"287\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/pgrep.png\" alt=\"\" class=\"wp-image-9365\" title=\"\u63a7\u5236 Linux \u8fdb\u7a0b\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/pgrep.png 568w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/pgrep-300x152.png 300w\" sizes=\"auto, (max-width: 568px) 100vw, 568px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><\/p>\n\n\n\n<p>\u6ce8\u610f\u5f53\u4f60\u7cfb\u7edf<ruby>\u50f5\u6b7b<rp>\uff08<\/rp><rt>freeze<\/rt><rp>\uff09<\/rp><\/ruby>\u65f6\u4f60\u53ef\u4ee5\u4f7f\u7528\u5b83\u4eec\u6740\u6b7b Linux \u4e2d\u7684\u4e0d\u54cd\u5e94\u7a0b\u5e8f\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"toc_18\">\u7ed9\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7<\/h4>\n\n\n\n<p>Linux \u4e2d\u63a7\u5236\u8fdb\u7a0b\u7684\u57fa\u672c\u65b9\u6cd5\u662f\u7ed9\u5b83\u4eec\u53d1\u9001\u4fe1\u53f7\u3002\u4f60\u53ef\u4ee5\u53d1\u9001\u5f88\u591a\u4fe1\u53f7\u7ed9\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u8fd0\u884c\u4e0b\u9762\u7684\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u6240\u6709\u4fe1\u53f7\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">kill<\/span> <span class=\"pun\">-<\/span><span class=\"pln\">l<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/kill.png\"><img loading=\"lazy\" decoding=\"async\" width=\"818\" height=\"287\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/kill.png\" alt=\"\" class=\"wp-image-9366\" title=\"\u5217\u51fa\u6240\u6709 Linux \u4fe1\u53f7\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/kill.png 818w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/kill-300x105.png 300w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/kill-768x269.png 768w\" sizes=\"auto, (max-width: 818px) 100vw, 818px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><\/p>\n\n\n\n<p class=\"article_img_desc\"><em>\u5217\u51fa\u6240\u6709 Linux \u4fe1\u53f7<\/em><\/p>\n\n\n\n<p>\u8981\u7ed9\u4e00\u4e2a\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7\uff0c\u53ef\u4ee5\u4f7f\u7528\u6211\u4eec\u4e4b\u524d\u63d0\u5230\u7684 <code>kill<\/code>\u3001<code>pkill<\/code> \u6216 <code>pgrep<\/code> \u547d\u4ee4\u3002\u4f46\u53ea\u6709\u88ab\u7f16\u7a0b\u4e3a\u80fd\u8bc6\u522b\u8fd9\u4e9b\u4fe1\u53f7\u65f6\u7a0b\u5e8f\u624d\u80fd\u54cd\u5e94\u8fd9\u4e9b\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p>\u5927\u90e8\u5206\u4fe1\u53f7\u90fd\u662f\u7cfb\u7edf\u5185\u90e8\u4f7f\u7528\uff0c\u6216\u8005\u7ed9\u7a0b\u5e8f\u5458\u7f16\u5199\u4ee3\u7801\u65f6\u4f7f\u7528\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5bf9\u7cfb\u7edf\u7528\u6237\u975e\u5e38\u6709\u7528\u7684\u4fe1\u53f7\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SIGHUP 1 &#8211; \u5f53\u63a7\u5236\u5b83\u7684\u7ec8\u7aef\u88ab\u88ab\u5173\u95ed\u65f6\u7ed9\u8fdb\u7a0b\u53d1\u9001\u8be5\u4fe1\u53f7\u3002<\/li>\n\n\n\n<li>SIGINT 2 &#8211; \u5f53\u7528\u6237\u4f7f\u7528 <code>Ctrl+C<\/code>\u00a0\u4e2d\u65ad\u8fdb\u7a0b\u65f6\u63a7\u5236\u5b83\u7684\u7ec8\u7aef\u7ed9\u8fdb\u7a0b\u53d1\u9001\u8fd9\u4e2a\u4fe1\u53f7\u3002<\/li>\n\n\n\n<li>SIGQUIT 3 &#8211; \u5f53\u7528\u6237\u53d1\u9001\u9000\u51fa\u4fe1\u53f7 <code>Ctrl+D<\/code>\u00a0\u65f6\u7ed9\u8fdb\u7a0b\u53d1\u9001\u8be5\u4fe1\u53f7\u3002<\/li>\n\n\n\n<li>SIGKILL 9 &#8211; \u8fd9\u4e2a\u4fe1\u53f7\u4f1a\u9a6c\u4e0a\u4e2d\u65ad\uff08\u6740\u6b7b\uff09\u8fdb\u7a0b\uff0c\u8fdb\u7a0b\u4e0d\u4f1a\u8fdb\u884c\u6e05\u7406\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>SIGTERM 15 &#8211; \u8fd9\u662f\u4e00\u4e2a\u7a0b\u5e8f\u7ec8\u6b62\u4fe1\u53f7\uff08kill \u9ed8\u8ba4\u53d1\u9001\u8fd9\u4e2a\u4fe1\u53f7\uff09\u3002<\/li>\n\n\n\n<li>SIGTSTP 20 &#8211; \u5b83\u7684\u63a7\u5236\u7ec8\u7aef\u53d1\u9001\u8fd9\u4e2a\u4fe1\u53f7\u7ed9\u8fdb\u7a0b\u8981\u6c42\u5b83\u505c\u6b62\uff08\u7ec8\u7aef\u505c\u6b62\uff09\uff1b\u901a\u8fc7\u7528\u6237\u6309 <code>Ctrl+Z<\/code>\u00a0\u89e6\u53d1\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e0b\u9762\u662f\u5f53 Firefox \u5e94\u7528\u7a0b\u5e8f\u50f5\u6b7b\u65f6\u901a\u8fc7\u5b83\u7684 PID \u6740\u6b7b\u5b83\u7684 kill \u547d\u4ee4\u4e8b\u4f8b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">pidof<\/span><span class=\"pln\"> firefox<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">kill<\/span> <span class=\"lit\">9<\/span> <span class=\"lit\">2687<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pun\">\u6216<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">kill<\/span> <span class=\"pun\">-<\/span><span class=\"pln\">KILL <\/span><span class=\"lit\">2687<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pun\">\u6216<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">kill<\/span> <span class=\"pun\">-<\/span><span class=\"pln\">SIGKILL <\/span><span class=\"lit\">2687<\/span> <\/code><\/li>\n<\/ol>\n\n\n\n<p>\u4f7f\u7528\u5b83\u7684\u540d\u79f0\u6740\u6b7b\u5e94\u7528\uff0c\u53ef\u4ee5\u50cf\u4e0b\u9762\u8fd9\u6837\u4f7f\u7528 pkill \u6216 killall\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">pkill<\/span><span class=\"pln\"> firefox<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">killall<\/span><span class=\"pln\"> firefox <\/span><\/code><\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"toc_19\">\u66f4\u6539 Linux \u8fdb\u7a0b\u4f18\u5148\u7ea7<\/h4>\n\n\n\n<p>\u5728 Linux \u7cfb\u7edf\u4e2d\uff0c\u6240\u6709\u6d3b\u8dc3\u8fdb\u7a0b\u90fd\u6709\u4e00\u4e2a\u4f18\u5148\u7ea7\u4ee5\u53ca nice \u503c\u3002\u6709\u6bd4\u70b9\u4f18\u5148\u7ea7\u8fdb\u7a0b\u6709\u66f4\u9ad8\u4f18\u5148\u7ea7\u7684\u8fdb\u7a0b\u4e00\u822c\u4f1a\u83b7\u5f97\u66f4\u591a\u7684 CPU \u65f6\u95f4\u3002<\/p>\n\n\n\n<p>\u4f46\u662f\uff0c\u6709 root \u6743\u9650\u7684\u7cfb\u7edf\u7528\u6237\u53ef\u4ee5\u4f7f\u7528 <code>nice<\/code> \u548c <code>renice<\/code> \u547d\u4ee4\u5f71\u54cd\uff08\u66f4\u6539\uff09\u4f18\u5148\u7ea7\u3002<\/p>\n\n\n\n<p>\u5728 top \u547d\u4ee4\u7684\u8f93\u51fa\u4e2d\uff0c NI \u663e\u793a\u4e86\u8fdb\u7a0b\u7684 nice \u503c\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">top<\/span> <\/code><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/top2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"818\" height=\"458\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/top2.png\" alt=\"\" class=\"wp-image-9367\" title=\"\u5217\u51fa Linux \u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/top2.png 818w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/top2-300x168.png 300w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/04\/top2-768x430.png 768w\" sizes=\"auto, (max-width: 818px) 100vw, 818px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><\/p>\n\n\n\n<p class=\"article_img_desc\"><em>\u5217\u51fa Linux \u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b<\/em><\/p>\n\n\n\n<p>\u4f7f\u7528 <code>nice<\/code> \u547d\u4ee4\u4e3a\u4e00\u4e2a\u8fdb\u7a0b\u8bbe\u7f6e nice \u503c\u3002\u8bb0\u4f4f\u4e00\u4e2a\u666e\u901a\u7528\u6237\u53ef\u4ee5\u7ed9\u4ed6\u62e5\u6709\u7684\u8fdb\u7a0b\u8bbe\u7f6e 0 \u5230 20 \u7684 nice \u503c\u3002<\/p>\n\n\n\n<p>\u53ea\u6709 root \u7528\u6237\u53ef\u4ee5\u4f7f\u7528\u8d1f\u7684 nice \u503c\u3002<\/p>\n\n\n\n<p>\u8981\u91cd\u65b0\u8bbe\u7f6e\u4e00\u4e2a\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\uff0c\u50cf\u4e0b\u9762\u8fd9\u6837\u4f7f\u7528 <code>renice<\/code> \u547d\u4ee4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">renice<\/span> <span class=\"pun\">+<\/span><span class=\"lit\">8<\/span> <span class=\"lit\">2687<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">renice<\/span> <span class=\"pun\">+<\/span><span class=\"lit\">8<\/span> <span class=\"lit\">2103<\/span><\/code><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u8fdb\u7a0b\uff08process\uff09\u662f\u6307\u6b63\u5728\u6267\u884c\u7684\u7a0b\u5e8f\uff1b\u662f\u7a0b\u5e8f\u6b63\u5728\u8fd0\u884c\u7684\u4e00\u4e2a\u5b9e\u4f8b\u3002\u5b83\u7531\u7a0b\u5e8f\u6307\u4ee4\uff0c\u548c\u4ece\u6587\u4ef6\u3001\u5176\u5b83\u7a0b\u5e8f\u4e2d\u8bfb\u53d6\u7684\u6570 &#8230; <a title=\"\u5173\u4e8e Linux \u8fdb\u7a0b\u4f60\u6240\u9700\u8981\u77e5\u9053\u7684\u4e00\u5207\" class=\"read-more\" href=\"https:\/\/cn.hostease.com\/xueyuan\/uncategorized\/%e5%85%b3%e4%ba%8e-linux-%e8%bf%9b%e7%a8%8b%e4%bd%a0%e6%89%80%e9%9c%80%e8%a6%81%e7%9f%a5%e9%81%93%e7%9a%84%e4%b8%80%e5%88%87\/\" aria-label=\"\u9605\u8bfb \u5173\u4e8e Linux \u8fdb\u7a0b\u4f60\u6240\u9700\u8981\u77e5\u9053\u7684\u4e00\u5207\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[49,1],"tags":[38,644],"class_list":["post-2148","post","type-post","status-publish","format-standard","hentry","category-linux","category-uncategorized","tag-linux","tag-644"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2148","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=2148"}],"version-history":[{"count":2,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2148\/revisions"}],"predecessor-version":[{"id":9368,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2148\/revisions\/9368"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=2148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=2148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=2148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}