{"id":8886,"date":"2023-11-28T20:47:27","date_gmt":"2023-11-28T12:47:27","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=8886"},"modified":"2023-11-30T22:38:51","modified_gmt":"2023-11-30T14:38:51","slug":"linux-zhonghash-ming-ling-you-shen-me-zuo-yong","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/linux-zhonghash-ming-ling-you-shen-me-zuo-yong\/","title":{"rendered":"Linux \u4e2d hash \u547d\u4ee4\u6709\u4ec0\u4e48\u4f5c\u7528\uff1f"},"content":{"rendered":"

\u5728 Linux \u4e2d\uff0chash<\/code> \u662f\u4e00\u4e2a\u5185\u7f6e\u547d\u4ee4\uff0c\u7528\u4e8e\u7ba1\u7406 shell \u7684\u547d\u4ee4\u6563\u5217\u8868\uff08hash table\uff09\u3002<\/p>\n

\u547d\u4ee4\u6563\u5217\u8868\u662f shell \u7528\u6765\u5b58\u50a8\u6700\u8fd1\u4f7f\u7528\u7684\u547d\u4ee4\u7684\u8def\u5f84\u7684\u4e00\u79cd\u673a\u5236\u3002hash<\/code> \u547d\u4ee4\u80fd\u591f\u663e\u793a\u548c\u64cd\u4f5c\u8fd9\u4e2a\u6563\u5217\u8868\uff0c\u5305\u62ec\u6dfb\u52a0\u547d\u4ee4\u5230\u6563\u5217\u8868\u3001\u5220\u9664\u6761\u76ee\u4ee5\u53ca\u663e\u793a\u5f53\u524d\u6563\u5217\u8868\u7684\u5185\u5bb9\u3002<\/p>\n

hash<\/code> \u547d\u4ee4\u5728\u4ee5\u4e0b\u65b9\u9762\u6709\u7528\uff1a<\/p>\n

    \n
  1. \n

    \u67e5\u770b\u6563\u5217\u8868\u5185\u5bb9\uff1a<\/strong> \u4f7f\u7528 hash<\/code> \u547d\u4ee4\u53ef\u4ee5\u5217\u51fa\u5f53\u524d shell \u4e2d\u5df2\u7ecf\u7f13\u5b58\u7684\u547d\u4ee4\u8def\u5f84\u3002<\/p>\n<\/li>\n

  2. \n

    \u5237\u65b0\u6563\u5217\u8868\uff1a<\/strong> \u5982\u679c\u66f4\u6539\u4e86\u7cfb\u7edf\u8def\u5f84\u6216\u8005\u5b89\u88c5\u4e86\u65b0\u7684\u7a0b\u5e8f\uff0c\u800c shell \u5c1a\u672a\u610f\u8bc6\u5230\u8fd9\u4e9b\u53d8\u5316\uff0c\u53ef\u4ee5\u4f7f\u7528 hash -r<\/code> \u547d\u4ee4\u6765\u5237\u65b0\u6563\u5217\u8868\uff0c\u5f3a\u5236 shell \u91cd\u65b0\u8ba1\u7b97\u547d\u4ee4\u7684\u8def\u5f84\u3002<\/p>\n<\/li>\n

  3. \n

    \u6e05\u9664\u6563\u5217\u8868\u4e2d\u7684\u6761\u76ee\uff1a<\/strong> \u4f7f\u7528 hash -d<\/code> \u547d\u4ee4\u53ef\u4ee5\u4ece\u6563\u5217\u8868\u4e2d\u5220\u9664\u6307\u5b9a\u7684\u547d\u4ee4\u3002<\/p>\n<\/li>\n<\/ol>\n

    \u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u4f7f\u7528 hash<\/code> \u547d\u4ee4\uff1a<\/p>\n

      \n
    • \n

      \u663e\u793a\u6563\u5217\u8868\u5185\u5bb9\uff1a<\/p>\n

      hash\n<\/code><\/pre>\n<\/li>\n
    • \n
      \u5237\u65b0\u6563\u5217\u8868\uff1a<\/p>\n
      hash -r\n<\/code><\/pre>\n<\/li>\n
    • \n
      \u5220\u9664\u6563\u5217\u8868\u4e2d\u7684\u6761\u76ee\uff1a<\/p>\n
      hash -d command_name\n<\/code><\/pre>\n<\/li>\n<\/ul>\n
      \u603b\u7684\u6765\u8bf4\uff0chash<\/code> \u547d\u4ee4\u5bf9\u4e8e\u7ba1\u7406 shell \u4e2d\u7684\u547d\u4ee4\u6563\u5217\u8868\u662f\u5f88\u6709\u7528\u7684\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u4f60\u67e5\u770b\u3001\u5237\u65b0\u6216\u5220\u9664\u5df2\u7f13\u5b58\u7684\u547d\u4ee4\u8def\u5f84\uff0c\u4f7f\u5f97 shell \u80fd\u591f\u6b63\u786e\u5730\u627e\u5230\u5e76\u6267\u884c\u76f8\u5e94\u7684\u547d\u4ee4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u5728 Linux \u4e2d\uff0chash \u662f\u4e00\u4e2a\u5185\u7f6e\u547d\u4ee4\uff0c\u7528\u4e8e\u7ba1\u7406 shell \u7684\u547d\u4ee4\u6563\u5217\u8868\uff08hash table\uff09\u3002 \u547d […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[105],"tags":[],"class_list":["post-8886","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8886","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=8886"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8886\/revisions"}],"predecessor-version":[{"id":13829,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8886\/revisions\/13829"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=8886"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=8886"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=8886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}