{"id":1022,"date":"2016-07-24T21:50:18","date_gmt":"2016-07-24T13:50:18","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=1022"},"modified":"2016-07-24T21:50:18","modified_gmt":"2016-07-24T13:50:18","slug":"%e6%95%99%e4%bd%a0%e9%9a%90%e8%97%8flinux%e7%9a%84%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%8e%86%e5%8f%b2","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/linux\/%e6%95%99%e4%bd%a0%e9%9a%90%e8%97%8flinux%e7%9a%84%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%8e%86%e5%8f%b2\/","title":{"rendered":"\u6559\u4f60\u9690\u85cfLinux\u7684\u547d\u4ee4\u884c\u5386\u53f2"},"content":{"rendered":"
    \n
  1. \u5728\u547d\u4ee4\u524d\u63d2\u5165\u7a7a\u683c<\/li>\n<\/ol>\n

    \u662f\u7684\uff0c\u6ca1\u770b\u9519\u3002\u5728\u547d\u4ee4\u524d\u9762\u63d2\u5165\u7a7a\u683c\uff0c\u8fd9\u6761\u547d\u4ee4\u4f1a\u88ab shell \u5ffd\u7565\uff0c\u4e5f\u5c31\u610f\u5473\u7740\u5b83\u4e0d\u4f1a\u51fa\u73b0\u5728\u5386\u53f2\u8bb0\u5f55\u4e2d\u3002\u4f46\u662f\u8fd9\u79cd\u65b9\u6cd5\u6709\u4e2a\u524d\u63d0\uff0c\u53ea\u6709\u5728\u4f60\u7684\u73af\u5883\u53d8\u91cf HISTCONTROL \u8bbe\u7f6e\u4e3a “ignorespace” \u6216\u8005 “ignoreboth” \u624d\u4f1a\u8d77\u4f5c\u7528\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e2a\u662f\u9ed8\u8ba4\u503c\u3002<\/p>\n

    \u6240\u4ee5\uff0c\u50cf\u4e0b\u9762\u7684\u547d\u4ee4\uff08LCTT \u8bd1\u6ce8\uff1a\u8fd9\u91cc[space]\u8868\u793a\u8f93\u5165\u4e00\u4e2a\u7a7a\u683c\uff09\uff1a<\/p>\n

    [space]echo “this is a top secret”
    \n\u5982\u679c\u4f60\u4e4b\u524d\u6267\u884c\u8fc7\u5982\u4e0b\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\u7684\u547d\u4ee4\uff0c\u90a3\u4e48\u4e0a\u8ff0\u547d\u4ee4\u4e0d\u4f1a\u51fa\u73b0\u5728\u5386\u53f2\u8bb0\u5f55\u4e2d\u3002<\/p>\n

    export HISTCONTROL = ignorespace
    \n\u4e0b\u9762\u7684\u622a\u56fe\u662f\u8fd9\u79cd\u65b9\u5f0f\u7684\u4e00\u4e2a\u4f8b\u5b50\u3002<\/p>\n

    \u7b2c\u56db\u4e2a “echo” \u547d\u4ee4\u56e0\u4e3a\u524d\u9762\u6709\u7a7a\u683c\uff0c\u5b83\u6ca1\u6709\u88ab\u8bb0\u5f55\u5230\u5386\u53f2\u4e2d\u3002<\/p>\n

      \n
    1. \u7981\u7528\u5f53\u524d\u4f1a\u8bdd\u7684\u6240\u6709\u5386\u53f2\u8bb0\u5f55<\/li>\n<\/ol>\n

      \u5982\u679c\u4f60\u60f3\u7981\u7528\u67d0\u4e2a\u4f1a\u8bdd\u6240\u6709\u5386\u53f2\uff0c\u4f60\u53ef\u4ee5\u5728\u5f00\u59cb\u547d\u4ee4\u884c\u5de5\u4f5c\u524d\u7b80\u5355\u5730\u6e05\u9664\u73af\u5883\u53d8\u91cf HISTSIZE \u7684\u503c\u5373\u53ef\u3002\u6267\u884c\u4e0b\u9762\u7684\u547d\u4ee4\u6765\u6e05\u9664\u5176\u503c\uff1a<\/p>\n

      export HISTSIZE=0
      \nHISTSIZE \u8868\u793a\u5bf9\u4e8e bash \u4f1a\u8bdd\u5176\u5386\u53f2\u5217\u8868\u4e2d\u53ef\u4ee5\u4fdd\u5b58\u547d\u4ee4\u7684\u4e2a\u6570\uff08\u884c\u6570\uff09\u3002\u9ed8\u8ba4\u60c5\u51b5\uff0c\u5b83\u8bbe\u7f6e\u4e86\u4e00\u4e2a\u975e\u96f6\u503c\uff0c\u4f8b\u5982\u5728\u6211\u7684\u7535\u8111\u4e0a\uff0c\u5b83\u7684\u503c\u4e3a 1000\u3002<\/p>\n

      \u6240\u4ee5\u4e0a\u9762\u6240\u63d0\u5230\u7684\u547d\u4ee4\u5c06\u5176\u503c\u8bbe\u7f6e\u4e3a 0\uff0c\u7ed3\u679c\u5c31\u662f\u76f4\u5230\u4f60\u5173\u95ed\u7ec8\u7aef\uff0c\u6ca1\u6709\u4e1c\u897f\u4f1a\u5b58\u50a8\u5728\u5386\u53f2\u8bb0\u5f55\u4e2d\u3002\u8bb0\u4f4f\u540c\u6837\u4f60\u4e5f\u4e0d\u80fd\u901a\u8fc7\u6309\u5411\u4e0a\u7684\u7bad\u5934\u6309\u952e\u6216\u8fd0\u884c history \u547d\u4ee4\u6765\u770b\u5230\u4e4b\u524d\u6267\u884c\u7684\u547d\u4ee4\u3002<\/p>\n

        \n
      1. \u5de5\u4f5c\u7ed3\u675f\u540e\u6e05\u9664\u6574\u4e2a\u5386\u53f2<\/li>\n<\/ol>\n

        \u8fd9\u53ef\u4ee5\u770b\u4f5c\u662f\u524d\u4e00\u90e8\u5206\u6240\u63d0\u65b9\u6848\u7684\u53e6\u5916\u4e00\u79cd\u5b9e\u73b0\u3002\u552f\u4e00\u7684\u533a\u522b\u662f\u5728\u4f60\u5b8c\u6210\u6240\u6709\u5de5\u4f5c\u4e4b\u540e\u6267\u884c\u8fd9\u4e2a\u547d\u4ee4\u3002\u4e0b\u9762\u662f\u521a\u8bf4\u5230\u7684\u547d\u4ee4\uff1a<\/p>\n

        history -cw
        \n\u521a\u624d\u5df2\u7ecf\u63d0\u5230\uff0c\u8fd9\u4e2a\u548c HISTSIZE \u65b9\u6cd5\u6709\u76f8\u540c\u6548\u679c\u3002<\/p>\n

          \n
        1. \u53ea\u9488\u5bf9\u4f60\u7684\u5de5\u4f5c\u5173\u95ed\u5386\u53f2\u8bb0\u5f55<\/li>\n<\/ol>\n

          \u867d\u7136\u524d\u9762\u63cf\u8ff0\u7684\u65b9\u6cd5\uff082 \u548c 3\uff09\u53ef\u4ee5\u5b9e\u73b0\u76ee\u7684\uff0c\u5b83\u4eec\u53ef\u4ee5\u6e05\u9664\u6574\u4e2a\u5386\u53f2\uff0c\u5728\u5f88\u591a\u60c5\u51b5\u4e0b\uff0c\u6709\u4e9b\u53ef\u80fd\u4e0d\u662f\u6211\u4eec\u6240\u671f\u671b\u7684\u3002\u6709\u65f6\u5019\u4f60\u53ef\u80fd\u60f3\u4fdd\u5b58\u76f4\u5230\u4f60\u5f00\u59cb\u547d\u4ee4\u884c\u5de5\u4f5c\u4e4b\u95f4\u7684\u5386\u53f2\u8bb0\u5f55\u3002\u5bf9\u4e8e\u8fd9\u6837\u7684\u9700\u6c42\uff0c\u4f60\u5f00\u59cb\u5728\u5de5\u4f5c\u524d\u6267\u884c\u4e0b\u8ff0\u547d\u4ee4\uff1a<\/p>\n

          [space]set +o history
          \n\u5907\u6ce8\uff1a[space] \u8868\u793a\u7a7a\u683c\u3002\u5e76\u4e14\u7531\u4e8e\u7a7a\u683c\u7684\u7f18\u6545\uff0c\u8be5\u547d\u4ee4\u672c\u8eab\u4e5f\u4e0d\u4f1a\u88ab\u8bb0\u5f55\u3002<\/p>\n

          \u4e0a\u9762\u7684\u547d\u4ee4\u4f1a\u4e34\u65f6\u7981\u7528\u5386\u53f2\u529f\u80fd\uff0c\u8fd9\u610f\u5473\u7740\u5728\u8fd9\u547d\u4ee4\u4e4b\u540e\u4f60\u6267\u884c\u7684\u6240\u6709\u64cd\u4f5c\u90fd\u4e0d\u4f1a\u8bb0\u5f55\u5230\u5386\u53f2\u4e2d\uff0c\u7136\u800c\u8fd9\u4e2a\u547d\u4ee4\u4e4b\u524d\u7684\u6240\u6709\u4e1c\u897f\u90fd\u4f1a\u539f\u6837\u8bb0\u5f55\u5728\u5386\u53f2\u5217\u8868\u4e2d\u3002<\/p>\n

          \u8981\u91cd\u65b0\u5f00\u542f\u5386\u53f2\u529f\u80fd\uff0c\u6267\u884c\u4e0b\u9762\u7684\u547d\u4ee4\uff1a<\/p>\n

          [Space]set -o history
          \n\u5b83\u5c06\u73af\u5883\u6062\u590d\u539f\u72b6\uff0c\u4e5f\u5c31\u662f\u4f60\u5b8c\u6210\u4e86\u4f60\u7684\u5de5\u4f5c\uff0c\u6267\u884c\u4e0a\u8ff0\u547d\u4ee4\u4e4b\u540e\u7684\u547d\u4ee4\u90fd\u4f1a\u51fa\u73b0\u5728\u5386\u53f2\u4e2d\u3002<\/p>\n

            \n
          1. \u4ece\u5386\u53f2\u8bb0\u5f55\u4e2d\u5220\u9664\u6307\u5b9a\u7684\u547d\u4ee4<\/li>\n<\/ol>\n

            \u73b0\u5728\u5047\u8bbe\u5386\u53f2\u8bb0\u5f55\u4e2d\u5df2\u7ecf\u5305\u542b\u4e86\u4e00\u4e9b\u4f60\u4e0d\u5e0c\u671b\u8bb0\u5f55\u7684\u547d\u4ee4\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u6211\u4eec\u600e\u4e48\u529e\uff1f\u5f88\u7b80\u5355\u3002\u76f4\u63a5\u52a8\u624b\u5220\u9664\u5b83\u4eec\u3002\u901a\u8fc7\u4e0b\u9762\u7684\u547d\u4ee4\u6765\u5220\u9664\uff1a<\/p>\n

            history | grep “part of command you want to remove”
            \n\u4e0a\u9762\u7684\u547d\u4ee4\u4f1a\u8f93\u51fa\u5386\u53f2\u8bb0\u5f55\u4e2d\u5339\u914d\u7684\u547d\u4ee4\uff0c\u6bcf\u4e00\u6761\u524d\u9762\u4f1a\u6709\u4e2a\u6570\u5b57\u3002<\/p>\n

            \u4e00\u65e6\u4f60\u627e\u5230\u4f60\u60f3\u5220\u9664\u7684\u547d\u4ee4\uff0c\u6267\u884c\u4e0b\u9762\u7684\u547d\u4ee4\uff0c\u4ece\u5386\u53f2\u8bb0\u5f55\u4e2d\u5220\u9664\u90a3\u4e2a\u6307\u5b9a\u7684\u9879\uff1a<\/p>\n

            history -d [num]<\/p>\n

            \u7b2c\u4e8c\u4e2a \u2018echo\u2019\u547d\u4ee4\u88ab\u6210\u529f\u7684\u5220\u9664\u4e86\u3002
            \n\u540c\u6837\u7684\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u5411\u4e0a\u7684\u7bad\u5934\u4e00\u76f4\u5f80\u56de\u7ffb\u770b\u5386\u53f2\u8bb0\u5f55\u3002\u5f53\u4f60\u53d1\u73b0\u4f60\u611f\u5174\u8da3\u7684\u547d\u4ee4\u51fa\u73b0\u5728\u7ec8\u7aef\u4e0a\u65f6\uff0c\u6309\u4e0b \u201cCtrl + U\u201d\u6e05\u9664\u6574\u884c\uff0c\u4e5f\u4f1a\u4ece\u5386\u53f2\u8bb0\u5f55\u4e2d\u5220\u9664\u5b83<\/p>\n

             <\/p>\n","protected":false},"excerpt":{"rendered":"

            \u5728\u547d\u4ee4\u524d\u63d2\u5165\u7a7a\u683c \u662f\u7684\uff0c\u6ca1\u770b\u9519\u3002\u5728\u547d\u4ee4\u524d\u9762\u63d2\u5165\u7a7a\u683c\uff0c\u8fd9\u6761\u547d\u4ee4\u4f1a\u88ab shell \u5ffd\u7565\uff0c\u4e5f\u5c31\u610f\u5473\u7740\u5b83\u4e0d\u4f1a\u51fa\u73b0\u5728\u5386\u53f2 … \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],"tags":[100,38],"class_list":["post-1022","post","type-post","status-publish","format-standard","hentry","category-linux","tag-history","tag-linux"],"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\/1022","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=1022"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/1022\/revisions"}],"predecessor-version":[{"id":1023,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/1022\/revisions\/1023"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=1022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=1022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=1022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}