{"id":210623,"date":"2023-12-22T06:53:17","date_gmt":"2023-12-21T22:53:17","guid":{"rendered":"https:\/\/www.idc.net\/help\/210623\/"},"modified":"2023-12-22T06:53:17","modified_gmt":"2023-12-21T22:53:17","slug":"linux-%e5%91%bd%e4%bb%a4%ef%bc%9awhich-%e6%98%be%e7%a4%ba%ef%bc%88shell%ef%bc%89%e5%91%bd%e4%bb%a4%e7%9a%84%e5%ae%8c%e6%95%b4%e8%b7%af%e5%be%84","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/210623\/","title":{"rendered":"Linux \u547d\u4ee4\uff1awhich &#8211; \u663e\u793a\uff08shell\uff09\u547d\u4ee4\u7684\u5b8c\u6574\u8def\u5f84"},"content":{"rendered":"<p><title id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9awhich-%e6%98%be%e7%a4%ba%ef%bc%88shell%ef%bc%89%e5%91%bd%e4%bb%a4%e7%9a%84%e5%ae%8c%e6%95%b4%e8%b7%af%e5%be%84-NdhTewaigo\">Linux \u547d\u4ee4\uff1awhich - \u663e\u793a\uff08shell\uff09\u547d\u4ee4\u7684\u5b8c\u6574\u8def\u5f84<\/title><\/p>\n<h1 id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9awhich-%e6%98%be%e7%a4%ba%ef%bc%88shell%ef%bc%89%e5%91%bd%e4%bb%a4%e7%9a%84%e5%ae%8c%e6%95%b4%e8%b7%af%e5%be%84-NdhTewaigo\">Linux \u547d\u4ee4\uff1awhich - \u663e\u793a\uff08shell\uff09\u547d\u4ee4\u7684\u5b8c\u6574\u8def\u5f84<\/h1>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u6709\u8bb8\u591a\u547d\u4ee4\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8fdb\u884c\u5404\u79cd\u4efb\u52a1\u3002\u4f46\u662f\uff0c\u6709\u65f6\u5019\u6211\u4eec\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e2a\u95ee\u9898\uff1a\u6211\u4eec\u4e0d\u77e5\u9053\u67d0\u4e2a\u547d\u4ee4\u7684\u5b8c\u6574\u8def\u5f84\u5728\u54ea\u91cc\u3002\u8fd9\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528which\u547d\u4ee4\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<h2 id=\"%e4%bb%80%e4%b9%88%e6%98%afwhich%e5%91%bd%e4%bb%a4%ef%bc%9f-NdhTewaigo\">\u4ec0\u4e48\u662fwhich\u547d\u4ee4\uff1f<\/h2>\n<p>which\u547d\u4ee4\u662f\u4e00\u4e2a\u7528\u4e8e\u5728\u7cfb\u7edf\u7684PATH\u53d8\u91cf\u4e2d\u641c\u7d22\u6307\u5b9a\u547d\u4ee4\u7684\u5b8c\u6574\u8def\u5f84\u7684\u5b9e\u7528\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u627e\u5230\u6211\u4eec\u60f3\u8981\u6267\u884c\u7684\u547d\u4ee4\u7684\u4f4d\u7f6e\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8which%e5%91%bd%e4%bb%a4%ef%bc%9f-NdhTewaigo\">\u5982\u4f55\u4f7f\u7528which\u547d\u4ee4\uff1f<\/h2>\n<p>\u4f7f\u7528which\u547d\u4ee4\u975e\u5e38\u7b80\u5355\u3002\u53ea\u9700\u8981\u5728\u7ec8\u7aef\u4e2d\u8f93\u5165which\u547d\u4ee4\uff0c\u540e\u9762\u8ddf\u4e0a\u4f60\u60f3\u8981\u67e5\u627e\u7684\u547d\u4ee4\u7684\u540d\u79f0\u3002<\/p>\n<pre><code>$ which command_name\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u60f3\u8981\u67e5\u627els\u547d\u4ee4\u7684\u5b8c\u6574\u8def\u5f84\uff0c\u6211\u4eec\u53ef\u4ee5\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>$ which ls\n<\/code><\/pre>\n<p>which\u547d\u4ee4\u5c06\u4f1a\u8f93\u51fals\u547d\u4ee4\u7684\u5b8c\u6574\u8def\u5f84\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>\/bin\/ls\n<\/code><\/pre>\n<p>\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u77e5\u9053\u4e86ls\u547d\u4ee4\u7684\u5b8c\u6574\u8def\u5f84\u662f\/bin\/ls\u3002<\/p>\n<h2 id=\"%e4%b8%ba%e4%bb%80%e4%b9%88%e4%bd%bf%e7%94%a8which%e5%91%bd%e4%bb%a4%ef%bc%9f-NdhTewaigo\">\u4e3a\u4ec0\u4e48\u4f7f\u7528which\u547d\u4ee4\uff1f<\/h2>\n<p>\u4f7f\u7528which\u547d\u4ee4\u6709\u4ee5\u4e0b\u51e0\u4e2a\u597d\u5904\uff1a<\/p>\n<ol>\n<li>\u786e\u5b9a\u547d\u4ee4\u662f\u5426\u5b58\u5728\uff1a\u5982\u679cwhich\u547d\u4ee4\u627e\u4e0d\u5230\u6307\u5b9a\u7684\u547d\u4ee4\uff0c\u90a3\u4e48\u5f88\u53ef\u80fd\u8fd9\u4e2a\u547d\u4ee4\u5728\u7cfb\u7edf\u4e2d\u4e0d\u5b58\u5728\u3002<\/li>\n<li>\u67e5\u627e\u547d\u4ee4\u7684\u4f4d\u7f6e\uff1awhich\u547d\u4ee4\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u627e\u5230\u547d\u4ee4\u7684\u5b8c\u6574\u8def\u5f84\uff0c\u8fd9\u5bf9\u4e8e\u6267\u884c\u547d\u4ee4\u6216\u8005\u7f16\u5199\u811a\u672c\u975e\u5e38\u6709\u7528\u3002<\/li>\n<li>\u89e3\u51b3\u547d\u4ee4\u51b2\u7a81\uff1a\u6709\u65f6\u5019\uff0c\u7cfb\u7edf\u4e2d\u53ef\u80fd\u5b58\u5728\u591a\u4e2a\u540c\u540d\u7684\u547d\u4ee4\uff0c\u4f7f\u7528which\u547d\u4ee4\u53ef\u4ee5\u786e\u5b9a\u4f7f\u7528\u7684\u662f\u54ea\u4e2a\u547d\u4ee4\u3002<\/li>\n<\/ol>\n<h2 id=\"%e7%a4%ba%e4%be%8b-NdhTewaigo\">\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528which\u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>$ which ls\n\/bin\/ls\n\n$ which python\n\/usr\/bin\/python\n\n$ which java\n\/usr\/bin\/java\n<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5206\u522b\u4f7f\u7528which\u547d\u4ee4\u67e5\u627e\u4e86ls\u3001python\u548cjava\u547d\u4ee4\u7684\u5b8c\u6574\u8def\u5f84\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-NdhTewaigo\">\u603b\u7ed3<\/h2>\n<p>which\u547d\u4ee4\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u627e\u5230\u7cfb\u7edf\u4e2d\u547d\u4ee4\u7684\u5b8c\u6574\u8def\u5f84\u3002\u901a\u8fc7\u4f7f\u7528which\u547d\u4ee4\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u5b9a\u547d\u4ee4\u662f\u5426\u5b58\u5728\uff0c\u67e5\u627e\u547d\u4ee4\u7684\u4f4d\u7f6e\uff0c\u4ee5\u53ca\u89e3\u51b3\u547d\u4ee4\u51b2\u7a81\u7684\u95ee\u9898\u3002<\/p>\n<p>\u5982\u679c\u4f60\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8eLinux\u547d\u4ee4\u7684\u4fe1\u606f\uff0c\u53ef\u4ee5\u8bbf\u95ee\u6211\u4eec\u7684\u5b98\u65b9\u7f51\u7ad9\uff1a<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u3002\u6211\u4eec\u63d0\u4f9b\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u548c\u4e91\u670d\u52a1\u5668\u7b49\u4ea7\u54c1\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u6211\u4eec\u8fd8\u63d0\u4f9b10\u5143\u9999\u6e2f\u670d\u52a1\u5668\u548c\u9999\u6e2f\u670d\u52a1\u5668\u514d\u8d39\u8bd5\u7528\u3002\u6b22\u8fce\u8bbf\u95ee\u6211\u4eec\u7684\u5b98\u7f51\u4e86\u89e3\u66f4\u591a\u8be6\u60c5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux \u547d\u4ee4\uff1awhich - \u663e\u793a\uff08shell\uff09\u547d\u4ee4\u7684\u5b8c\u6574\u8def\u5f84 Linux \u547d\u4ee4\uff1awhich - \u663e\u793a\uff08s [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-210623","post","type-post","status-publish","format-standard","hentry","category-centos"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/210623","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=210623"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/210623\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=210623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=210623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=210623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}