Linux\u4e2dhistroy\u5f88\u5e38\u7528,\u4f46\u662f\u65e0\u8bba\u5bf9\u4e8e\u7ba1\u7406\u5458,\u666e\u901a\u7528\u6237\u8fd8\u662f\u9ed1\u5ba2,\u4ece\u53e6\u4e00\u4e2a\u89d2\u5ea6\u800c\u8a00,\u5b83\u5bf9\u4e8e\u5b89\u5168\u7684\u91cd\u8981\u6027\u4e5f\u4e0d\u8a00\u800c\u55bb,\u6bd4\u5982\u8bf4\u8fd9\u6761\u547d\u4ee4\u201dmysql\u00a0\u2013h198.168.0.1\u00a0\u2013uroot\u00a0\u2013p1234\u201d,\u5f88\u91cd\u8981\u7684\u4fe1\u606f,\u6570\u636e\u5e93\u7684\u5bc6\u7801\u88ab\u7834\u89e3\u4e86.\u540c\u6837\u638c\u63e1\u4e86history\u547d\u4ee4,\u53ef\u4ee5\u4f7f\u4f60\u7684\u6548\u7387\u5f97\u5230\u5f88\u5927\u63d0\u5347.<\/p>\n
\u6267\u884chistory\u547d\u4ee4,\u7ec8\u7aef\u4f1a\u663e\u793a\u4e4b\u524d\u6267\u884c\u8fc7\u7684\u547d\u4ee4\u53ca\u5176\u7f16\u53f7,\u800c\u6211\u4eec\u6267\u884c”!\u7f16\u53f7”(\u4f8b\u5982!10)\u00a0\u6216”!ls”(\u5386\u53f2\u4e2d\u4ee5ls\u5f00\u5934\u7684\u547d\u4ee4,\u4ee5\u6700\u8fd1\u6267\u884c\u7684\u4f18\u5148),\u53ef\u4ee5\u6267\u884chistory\u5386\u53f2\u7528\u76f8\u5e94\u7684\u6307\u4ee4.<\/p>\n
\u9ed8\u8ba4\u60c5\u51b5\u4e0b,\u547d\u4ee4\u5386\u53f2\u88ab\u5b58\u50a8\u5728.bash_history\u6587\u4ef6\u4e2d,\u53ef\u4ee5\u628a\u4e0b\u9762\u4e00\u884c\u6dfb\u52a0\u5230.bash_profile\u6587\u4ef6\u4e2d,\u91cd\u65b0\u767b\u5f55shell,\u5219.new_command\u6587\u4ef6\u5c06\u53d6\u4ee3.bash_history\u6587\u4ef6\u7528\u6765\u5b58\u50a8\u5386\u53f2\u547d\u4ee4.#vi\u00a0~\/.bash_profile\u00a0HISTFILE=\/root\/.new_command.<\/p>\n
\u63a5\u4e0b\u6765,\u8ba9\u6211\u4eec\u770b\u770bhistory\u4e00\u4e9b\u5c0f\u6280\u5de7,\u4e5f\u8bb8\u5f88\u6709\u4e50\u8da3\u54e6!<\/p>\n
1\u00a0\u4f7f\u7528HISTTIMEFORMAT\u5728\u5386\u53f2\u547d\u4ee4\u4e2d\u663e\u793aTIMESTAMP<\/p>\n
\u901a\u5e38\u60c5\u51b5\u4e0b,\u6211\u4eec\u8f93\u5165history\u547d\u4ee4\u65f6,\u7ec8\u7aef\u4e2d\u5c06\u663e\u793a\u4f60\u521a\u8f93\u5165\u7684\u547d\u4ee4\u53ca\u5176\u7f16\u53f7.\u5982\u679c\u51fa\u4e8e\u5ba1\u67e5\u547d\u4ee4\u7684\u76ee\u7684,\u548c\u547d\u4ee4\u4e00\u8d77\u663e\u793a\u65f6\u95f4\u6233,\u7528\u6237\u5c06\u5f88\u6709\u5e2e\u52a9,\u5982\u4e0b\u6240\u793a:<\/p>\n
[root@sqj2015\u00a0~]export\u00a0HISTTIMEFORMAT=”`whoami`\u00a0%F\u00a0%T\u00a0”\u00a0\u00a0\/\/whoami\u7528\u53cd\u5f15\u53f7“<\/p>\n
[root@sqj2015\u00a0~]history\u00a0|more<\/p>\n
…..<\/p>\n
74\u00a0\u00a0root\u00a02015-11-06\u00a010:05:16\u00a0vi\u00a0~\/.bash_profile<\/p>\n
75\u00a0\u00a0root\u00a02015-11-06\u00a010:06:15\u00a0vi\u00a0\/root\/.bash_profile<\/p>\n
76\u00a0\u00a0root\u00a02015-11-06\u00a010:08:58\u00a0vi\u00a0~\/.bash_profile<\/p>\n
77\u00a0\u00a0root\u00a02015-11-06\u00a010:09:56\u00a0vi\u00a0\/root\/.bash_history<\/p>\n
78\u00a0\u00a0root\u00a02015-11-06\u00a010:10:16\u00a0cd\u00a0\/root<\/p>\n
79\u00a0\u00a0root\u00a02015-11-06\u00a010:10:18\u00a0ls\u00a0-a<\/p>\n
80\u00a0\u00a0root\u00a02015-11-06\u00a010:35:23\u00a0export\u00a0HISTTIMEFORMAT=”`whoami`\u00a0%F\u00a0%T\u00a0”<\/p>\n
81\u00a0\u00a0root\u00a02015-11-06\u00a010:35:25\u00a0history<\/p>\n
\u6ce8:\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528history\u00a0N(N\u4e3a\u6570\u5b57)\u6765\u663e\u793a\u6700\u8fd1\u7684\u51e0\u6761\u547d\u4ee4.<\/p>\n
<\/p>\n
2\u00a0\u5de7\u5999\u4f7f\u7528HISTCONTROL\u547d\u4ee4<\/p>\n
2.1\u00a0\u4f7f\u7528HISTCONTROL\u6d88\u9664\u5386\u53f2\u4e2d\u8fde\u7eed\u91cd\u590d\u547d\u4ee4<\/p>\n
\u5982\u4e0b,\u82e5\u8fde\u7eed\u8f93\u5165\u4e09\u6b21pwd,\u5f53\u4f60\u4f7f\u7528history\u7684\u65f6\u5019,\u4f60\u4f1a\u770b\u5230\u8fd9\u4e09\u6761\u547d\u4ee4\u8fde\u7eed\u51fa\u73b0.\u00a0\u8bbe\u7f6eHISTCONTROL\u4e3aignoredups.\u6765\u6d88\u9664\u91cd\u590d\u547d\u4ee4:<\/p>\n
[root@sqj2015\u00a0~]#\u00a0history\u00a04<\/p>\n
108\u00a0\u00a0pwd<\/p>\n
109\u00a0\u00a0pwd<\/p>\n
110\u00a0\u00a0pwd<\/p>\n
111\u00a0\u00a0history<\/p>\n
\u82e5\u4f60\u8bbe\u7f6e:export\u00a0HISTCONTROL=ignoredups,\u800c\u4f60\u518d\u6b21\u8fde\u7eed\u8f93\u5165\u4e09\u6b21pwd,\u6267\u884chistory\u5c31\u53ea\u4f1a\u663e\u793a\u4e00\u6761pwd\u547d\u4ee4\u4e86.<\/p>\n
<\/p>\n
2.2\u00a0\u4f7f\u7528HISTCONTROL\u6d88\u9664\u6574\u4e2a\u5386\u53f2\u4e2d\u91cd\u590d\u547d\u4ee4<\/p>\n
[root@sqj2015\u00a0home]#\u00a0history\u00a04<\/p>\n
97\u00a0\u00a0cd\u00a0\/home\/<\/p>\n
98\u00a0\u00a0pwd<\/p>\n
99\u00a0\u00a0history<\/p>\n
100\u00a0\u00a0history\u00a04<\/p>\n
\u8bbe\u7f6eHISTCONTROL\u4e3aerasedups,export\u00a0HISTCONTROL=erasedups;\u8fd9\u65f6\u5019,\u5f53\u6211\u518d\u6b21\u952e\u5165pwd\u00a0\u547d\u4ee4,\u7136\u540e\u4f7f\u7528history\u4f1a\u6709\u4ec0\u4e48\u6837\u7684\u7ed3\u679c:<\/p>\n
[root@sqj2015\u00a0home]#\u00a0history\u00a05<\/p>\n
97\u00a0\u00a0cd\u00a0\/home\/<\/p>\n
98\u00a0\u00a0history<\/p>\n
99\u00a0\u00a0history\u00a04<\/p>\n
100\u00a0\u00a0pwd<\/p>\n
101\u00a0\u00a0history\u00a05<\/p>\n
\u4f60\u4f1a\u53d1\u73b0,cd\u00a0\/home\u00a0\u4e0b\u7684pwd\u547d\u4ee4\u6761\u76ee\u6d88\u9664\u4e86.<\/p>\n
<\/p>\n
2.3\u00a0\u4f7f\u7528HISTCONTROL\u00a0\u5f3a\u5236history\u5ffd\u7565\u67d0\u6761\u7279\u5b9a\u547d\u4ee4<\/p>\n
\u8bbe\u7f6eHISTCONTROL\u4e3aignorespace(export\u00a0HISTCONTROL=ignorespace)\u540e,\u5728\u6267\u884c\u4e00\u6761\u547d\u4ee4\u65f6,\u5728\u8be5\u547d\u4ee4\u524d\u52a0\u4e00\u4e2a\u7a7a\u683c\u6765\u6307\u793ahistory\u5ffd\u7565\u8be5\u547d\u4ee4.\u5982\u4e0b:<\/p>\n
[root@sqj2015\u00a0home]#\u00a0export\u00a0HISTCONTROL=ignorespace<\/p>\n
[root@sqj2015\u00a0home]#\u00a0\u00a0cd\u00a0\/<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0history\u00a03<\/p>\n
105\u00a0\u00a0history<\/p>\n
106\u00a0\u00a0export\u00a0HISTCONTROL=ignorespace<\/p>\n
109\u00a0\u00a0history\u00a03<\/p>\n
\u5f88\u660e\u663ecd\u00a0\/\u00a0\u8fd9\u6761\u547d\u4ee4\u5728history\u5386\u53f2\u6761\u76ee\u4e2d\u88ab\u9690\u85cf\u4e86.<\/p>\n
<\/p>\n
2.4\u00a0\u67e5\u770b\/\u8bbe\u7f6eHISTCONTROL\u53d8\u91cf\u503c<\/p>\n
echo\u00a0$HISTCONTROL\u00a0\u00a0\u00a0\u00a0\/\/\u67e5\u770bHISTCONTROL\u503c<\/p>\n
export\u00a0HISTCONTROL=ignoredups\/erasedups\/ignorespace\/\u00a0\u00a0\/\/\u8bbe\u7f6eHISTCONTROL\u503c<\/p>\n
\u82e5\u8bbe\u7f6eexport\u00a0HISTCONTROL=\u00a0\u00a0,\u4e3a\u7a7a,\u5219\u4f1a\u53d6\u6d88\u6240\u6709\u8bbe\u5b9a.<\/p>\n
<\/p>\n
3\u4f7f\u7528c\u9009\u9879\u6e05\u9664\u6240\u6709\u5386\u53f2\u547d\u4ee4<\/p>\n
\u6709\u65f6\u5019\u4f60\u6216\u8bb8\u60f3\u8981\u6e05\u695a\u4e4b\u524d\u6240\u6709\u7684\u5386\u53f2\u547d\u4ee4,\u800c\u4f60\u53c8\u4e0d\u60f3\u8ba9history\u7ee7\u7eed\u5de5\u4f5c.\u5c31\u53ef\u4ee5\u6267\u884chistory\u00a0-c\u00a0\u547d\u4ee4.<\/p>\n
<\/p>\n
4\u00a0\u66ff\u6362\u547d\u4ee4\u5386\u53f2\u4e2d\u7684\u5185\u5bb9<\/p>\n
\u5f53\u4f60\u641c\u7d22\u5386\u53f2\u547d\u4ee4\u65f6,\u4f60\u53ef\u80fd\u5e0c\u671b\u6267\u884c\u4e00\u4e2a\u4e0e\u521a\u521a\u67e5\u627e\u5230\u7684\u5386\u53f2\u547d\u4ee4\u5177\u6709\u76f8\u540c\u7684\u53c2\u6570\u7684\u547d\u4ee4,\u4f8b\u5982:\u00a0\u00a0\u201c!!:$\u201d\u53ef\u4ee5\u5c06\u524d\u4e00\u4e2a\u547d\u4ee4\u53c2\u6570\u4f5c\u4e3a\u5f53\u524d\u547d\u4ee4\u53c2\u6570;\u201c!^\u201d\u628a\u4e0a\u4e00\u4e2a\u547d\u4ee4\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u4f20\u9012\u7ed9\u5f53\u524d\u547d\u4ee4;\u201c!$\u201d\u628a\u4e0a\u4e00\u4e2a\u547d\u4ee4\u7684\u6700\u540e\u4e00\u4e2a\u53c2\u6570\u4f20\u9012\u7ed9\u5f53\u524d\u547d\u4ee4.<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0touch\u00a001.txt\u00a002.txt\u00a003.txt<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0ls\u00a001.txt<\/p>\n
01.txt<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0vi\u00a0!!:$<\/p>\n
vi\u00a001.txt<\/p>\n
<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0ls\u00a001.txt\u00a002.txt\u00a003.txt<\/p>\n
01.txt\u00a0\u00a002.txt\u00a0\u00a003.txt<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0vi\u00a0!^<\/p>\n
vi\u00a001.txt<\/p>\n
<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0ls\u00a001.txt\u00a002.txt\u00a003.txt<\/p>\n
01.txt\u00a0\u00a002.txt\u00a0\u00a003.txt<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0vi\u00a0!$<\/p>\n
vi\u00a003.txt<\/p>\n
<\/p>\n
5\u00a0\u66ff\u6362\u7279\u5b9a\u547d\u4ee4\u7684\u7279\u5b9a\u53c2\u6570<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0ls\u00a001.txt\u00a002.txt\u00a003.txt<\/p>\n
01.txt\u00a0\u00a002.txt\u00a0\u00a003.txt<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0vi\u00a0!ls:2<\/p>\n
vi\u00a002.txt<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0vi\u00a0!ls:3<\/p>\n
vi\u00a003.txt<\/p>\n
\u540c\u6837\u53ef\u4ee5\u4f7f\u7528\u201c!ls:^\u201d\u201c!ls:$\u201d\u6765\u6307\u5b9a\u7b2c\u4e00\u4e2a\u6216\u6700\u540e\u4e00\u4e2a\u53c2\u6570.<\/p>\n
<\/p>\n
6\u00a0\u4f7f\u7528HISTSIZE\u7981\u7528history<\/p>\n
\u82e5\u4f60\u60f3\u7981\u7528history,\u53c8\u4e0d\u8ba9bashshell\u8bb0\u5f55\u4f60\u7684\u547d\u4ee4,\u5c31\u53ef\u4ee5\u628aHISTSIZE\u8bbe\u4e3a0;<\/p>\n
export\u00a0HISTSIZE=0,\u8fd9\u6837\u6267\u884chistory\u540e\u5c31\u4e0d\u4f1a\u663e\u793a\u4efb\u4f55\u4fe1\u606f\u4e86.<\/p>\n
<\/p>\n
7\u00a0\u4f7f\u7528HISTIGNORE\u8ba9history\u5728\u5b58\u50a8\u65f6\u5ffd\u7565\u67d0\u4e9b\u6307\u4ee4<\/p>\n
\u6709\u65f6\u5019\u4f60\u4e0d\u60f3\u5728\u8bb0\u5f55\u4e2d\u770b\u5230\u8bf8\u5982pwd\u00a0ls\u00a0\u4e4b\u7c7b\u7684\u57fa\u672c\u547d\u4ee4,\u53ef\u4ee5\u7528HISIGNORE\u5ffd\u7565\u8fd9\u4e9b\u6307\u4ee4.\u4f46\u8981\u6ce8\u610f:\u5728HISTIGNORE\u4e2d\u6dfb\u52a0ls\u53ea\u5ffd\u7565ls,\u4e0d\u5ffd\u7565ls\u00a0-l\u00a0,\u6240\u4ee5\u4e00\u5b9a\u8981\u5199\u51fa\u8981\u5ffd\u7565\u7684\u6307\u4ee4.<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0export\u00a0HISTIGNORE=”pwd:ls:”<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0pwd<\/p>\n
\/<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0ls<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0ls\u00a0-l<\/p>\n
[root@sqj2015\u00a0\/]#\u00a0history\u00a05<\/p>\n
13\u00a0\u00a0vi\u00a001.txt<\/p>\n
14\u00a0\u00a0vi\u00a003.txt<\/p>\n
15\u00a0\u00a0export\u00a0HISTIGNORE=”pwd:ls:”<\/p>\n
16\u00a0\u00a0ls\u00a0-l<\/p>\n
17\u00a0\u00a0history\u00a05<\/p>\n
\u76f8\u5173\u535a\u5ba2:https:\/\/blog.sina.com.cn\/s\/blog_ecd48c580102vxjn.html<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
Linux\u4e2dhistroy\u5f88\u5e38\u7528,\u4f46\u662f\u65e0\u8bba\u5bf9\u4e8e\u7ba1\u7406\u5458,\u666e\u901a\u7528\u6237\u8fd8\u662f\u9ed1\u5ba2,\u4ece\u53e6\u4e00\u4e2a\u89d2\u5ea6\u800c\u8a00,\u5b83\u5bf9\u4e8e\u5b89\u5168\u7684\u91cd\u8981\u6027\u4e5f … \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-243","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\/243","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=243"}],"version-history":[{"count":2,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/243\/revisions"}],"predecessor-version":[{"id":245,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/243\/revisions\/245"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}