{"id":1564,"date":"2015-05-15T11:30:55","date_gmt":"2015-05-15T03:30:55","guid":{"rendered":"http:\/\/www.menglanglang.cn\/?p=1564"},"modified":"2015-09-28T14:13:04","modified_gmt":"2015-09-28T06:13:04","slug":"linux%e4%b8%adshell%e7%a8%8b%e5%ba%8f%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/www.menglanglang.cn\/?p=1564","title":{"rendered":"Linux\u4e2dShell\u7a0b\u5e8f\u8bbe\u8ba1"},"content":{"rendered":"<p>\u4ec0\u4e48\u662f Shell\uff1fShell \u662f\u4e00\u4e2a\u4f5c\u4e3a\u7528\u6237\u4e0e Linux \u7cfb\u7edf\u95f4\u63a5\u53e3\u7684\u7a0b\u5e8f\uff0c\u5141\u8bb8\u7528\u6237\u5411\u64cd\u4f5c\u7cfb\u7edf\u8f93\u5165\u9700\u8981\u6267\u884c\u7684\u547d\u4ee4\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48\u8981\u4f7f\u7528 Shell \u7f16\u7a0b\uff1f\u539f\u56e0\u4e4b\u4e00\u662f\u53ef\u4ee5\u5feb\u901f\u3001\u7b80\u5355\u7684\u5b8c\u6210\u7f16\u7a0b\u3002<\/p>\n<p>Shell \u6267\u884c Shell \u811a\u672c\uff0c\u662f\u5728\u8fd0\u884c\u65f6\u89e3\u91ca\u6267\u884c\u7684\uff0c\u8ba9\u8c03\u8bd5\u5de5\u4f5c\u5bb9\u6613\u8fdb\u884c\uff0c\u56e0\u4e3a\u8c03\u8bd5\u65f6\u53ef\u4ee5\u9010\u884c\u7684\u6267\u884c\u6307\u4ee4\uff0c\u8282\u7701\u4e86\u7f16\u8bd1\u65f6\u95f4\u3002<\/p>\n<ul>\n<li><strong style=\"text-indent: 2em;\">\u91cd\u5b9a\u5411\u8f93\u51fa<\/strong><span style=\"text-indent: 2em;\">\uff0c\u7528\u64cd\u4f5c\u7b26 <\/span><strong style=\"text-indent: 2em;\"><span style=\"color: #ff0000;\">&gt;<\/span><\/strong><span style=\"text-indent: 2em;\"> \u5373\u53ef\uff1a<\/span><\/li>\n<\/ul>\n<p><code>$ ls -l &gt; t.txt<\/code><\/p>\n<p>\u4e0a\u65b9\u547d\u4ee4\u4f1a\u628a ls \u547d\u4ee4\u7684\u8f93\u51fa\u5199\u5165\u5230\u6587\u4ef6 t.txt \u4e2d\uff0c\u5982\u679c\u6ca1\u6709\u8be5\u6587\u4ef6\uff0c\u4f1a\u521b\u5efa\u6587\u4ef6\u5e76\u5199\u5165\uff1b\u5982\u679c\u6709\u8be5\u6587\u4ef6\uff0c\u5219\u5199\u5165\u65b0\u5185\u5bb9\uff0c\u4f1a\u8986\u76d6\u539f\u6765\u6240\u6709\u5185\u5bb9\u3002<\/p>\n<p>\u5982\u679c\u60f3\u4fdd\u7559\u539f\u5185\u5bb9\uff0c\u5e76\u628a\u65b0\u5185\u5bb9\u5199\u5165\u539f\u5185\u5bb9\u4e4b\u540e\uff0c\u53ef\u4ee5\u7528 <span style=\"color: #ff0000;\"><strong>&gt;&gt;<\/strong><\/span> \u64cd\u4f5c\u7b26\u3002<\/p>\n<p>\u6ce8\u610f\uff1a\u6587\u4ef6\u63cf\u8ff0\u7b26 0 \u4ee3\u8868\u4e00\u4e2a\u7a0b\u5e8f\u7684\u6807\u51c6\u8f93\u5165\uff0c1 \u4ee3\u8868\u6807\u51c6\u8f93\u51fa\uff0c2 \u4ee3\u8868\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u3002<\/p>\n<p>\u4e3a\u4e86\u5728\u5c4f\u5e55\u4e0a\u4e0d\u663e\u793a\u9519\u8bef\u6d88\u606f\uff0c\u53ef\u4ee5\u628a\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u6587\u4ef6\u4e2d\uff1b\u5982\u679c\u628a\u6807\u51c6\u8f93\u51fa\u548c\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u90fd\u91cd\u5b9a\u5411\u5230\u6587\u4ef6\u4e2d\uff0c\u90a3\u4e48\u5c4f\u5e55\u4e0a\u5219\u4e0d\u4f1a\u6709\u4efb\u4f55\u8f93\u51fa\u4e86\u3002<\/p>\n<p>\u53ea\u91cd\u5b9a\u5411\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u5230 error.txt \u4e2d\uff1a<br \/>\n<code>$ ls -123 <span style=\"color: #ff0000;\">2&gt;<\/span> error.txt<\/code><\/p>\n<p>\u628a\u6807\u51c6\u8f93\u51fa\u548c\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u4e0d\u540c\u7684\u6587\u4ef6 normal.txt \u548c\u00a0error.txt\u00a0\u4e2d\uff1a<br \/>\n<code>$ ls -l &gt; normal.txt <span style=\"color: #ff0000;\">2&gt;<\/span> error.txt<\/code><\/p>\n<p>\u628a\u6807\u51c6\u8f93\u51fa\u548c\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u540c\u4e00\u4e2a\u6587\u4ef6\u00a0error.txt\u00a0\u4e2d\uff1a<br \/>\n<code>$ ls -l &gt; error.txt 2<span style=\"color: #ff0000;\">&gt;&amp;<\/span>1<\/code><\/p>\n<ul>\n<li><strong style=\"text-indent: 2em;\">\u91cd\u5b9a\u5411\u8f93\u5165<\/strong><span style=\"text-indent: 2em;\">\uff0c\u7528\u64cd\u4f5c\u7b26 <\/span><span style=\"color: #ff0000;\"><strong>&lt;<\/strong><\/span><span style=\"text-indent: 2em;\"> \u5373\u53ef\uff1a<\/span><\/li>\n<\/ul>\n<p><code>$ more <span style=\"color: #ff0000;\">&lt;<\/span> error.txt<\/code><\/p>\n<ul>\n<li><strong style=\"text-indent: 2em;\">\u7ba1\u9053<\/strong><span style=\"text-indent: 2em;\">\uff0c\u7528\u64cd\u4f5c\u7b26 <\/span><span style=\"text-indent: 2em; color: #ff0000;\"><strong>|<\/strong><\/span><span style=\"text-indent: 2em;\"> \u8fde\u63a5\u8fdb\u7a0b\u3002<\/span><\/li>\n<\/ul>\n<p>\u4e0d\u4f7f\u7528\u7ba1\u9053\u64cd\u4f5c\u7b26\uff1a<\/p>\n<div class=\"dp-highlighter\">\n<div class=\"bar\"><\/div>\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\">$\u00a0ps\u00a0<span class=\"tag\">&gt;<\/span>\u00a0pout.txt<\/li>\n<li>$\u00a0sort\u00a0pout.txt\u00a0<span class=\"tag\">&gt;<\/span>\u00a0psout.out<\/li>\n<\/ol>\n<\/div>\n<p><span style=\"text-indent: 2em;\">\u4f7f\u7528\u7ba1\u9053\u64cd\u4f5c\u7b26\uff1a<\/span><\/p>\n<p><code>$ ps | sort &gt; psout.out<\/code><\/p>\n<p>\u4e24\u79cd\u7ed3\u679c\u90fd\u662f\u4e00\u6837\u7684\u3002\u53ef\u89c1\uff0c\u4f7f\u7528\u4e00\u7cfb\u5217\u5355\u72ec\u7684\u547d\u4ee4\u90fd\u4f1a\u751f\u6210\u4e34\u65f6\u6587\u4ef6\uff0c\u800c\u7528\u7ba1\u9053\u4e4b\u540e\uff0c\u6ca1\u6709\u4e34\u65f6\u6587\u4ef6\u7684\u751f\u6210\uff0c\u76f8\u6bd4\u6765\u8bf4\uff0c\u66f4\u7cbe\u5de7\u3001\u7b80\u5355\u3001\u65b9\u4fbf\u3002<\/p>\n<ul>\n<li><strong><span style=\"text-indent: 2em;\">Shell \u57fa\u672c\u8bed\u6cd5\uff1a<\/span><\/strong><\/li>\n<\/ul>\n<p><strong>\u4e00\u3001\u53d8\u91cf<\/strong><span style=\"text-indent: 2em;\">\uff1a\u4f7f\u7528\u53d8\u91cf\u4e4b\u524d\u901a\u5e38\u4e0d\u9700\u8981\u4e3a\u53d8\u91cf\u505a\u51fa\u58f0\u660e\uff0c\u901a\u8fc7\u76f4\u63a5\u4f7f\u7528\u5b83\u4eec\u6765\u521b\u5efa\u5b83\u4eec\u3002\u8981\u83b7\u53d6\u53d8\u91cf\u7684\u503c\uff0c\u5fc5\u987b\u5728\u53d8\u91cf\u524d\u52a0 $\u3002\u5982\uff1a<\/span><\/p>\n<div class=\"dp-highlighter\">\n<div class=\"bar\"><\/div>\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\">$\u00a0<span class=\"attribute\">a<\/span>=<span class=\"attribute-value\">\"yes\"<\/span><\/li>\n<li>$\u00a0echo\u00a0<strong>$a<\/strong><\/li>\n<li class=\"alt\">yes<\/li>\n<\/ol>\n<\/div>\n<p>\u53ef\u4ee5\u4f7f\u7528 read \u547d\u4ee4\u5c06\u7528\u6237\u7684\u8f93\u5165\u8d4b\u503c\u7ed9\u4e00\u4e2a\u53d8\u91cf\uff1a<\/p>\n<div class=\"dp-highlighter\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\">$\u00a0read\u00a0a<\/li>\n<li>books\uff08\u952e\u76d8\u8f93\u5165boos\uff0c\u56de\u8f66\uff09<\/li>\n<li class=\"alt\">$\u00a0echo\u00a0$a<\/li>\n<li>books<\/li>\n<\/ol>\n<\/div>\n<p>\u5982\u679c\u628a $\u53d8\u91cf\u8868\u8fbe\u5f0f\u653e\u5165\u53cc\u5f15\u53f7\u4e2d\uff0c\u7a0b\u5e8f\u6267\u884c\u5230\u8be5\u5904\u65f6\uff0c\u4f1a\u66ff\u6362\u6210\u5b83\u7684\u503c\uff1b\u800c\u5982\u679c\u653e\u5165\u5355\u5f15\u53f7\u4e2d\uff0c\u5c31\u4e0d\u4f1a\u53d1\u751f\u66ff\u6362\u3002<\/p>\n<div class=\"dp-highlighter\">\n<div class=\"bar\">\n<div class=\"tools\"><strong style=\"color: #000;\">Code<\/strong>\u00a0\u00a0\u00a0<a href=\"#\">View<\/a><a href=\"#\">Print<\/a><\/div>\n<\/div>\n<ol class=\"dp-rb\" start=\"1\">\n<li class=\"alt\"><span class=\"comment\">#!\/bin\/bash<\/span><\/li>\n<li><span class=\"comment\">#\u6587\u4ef6\u540d\u4e3a\uff1avariable<\/span><\/li>\n<li class=\"alt\"><\/li>\n<li>myv=<span class=\"string\">\"langtuteng\"<\/span><\/li>\n<li class=\"alt\"><\/li>\n<li>echo\u00a0<span class=\"variable\">$myv<\/span><\/li>\n<li class=\"alt\">echo\u00a0<span class=\"string\">\"$myv\"<\/span><\/li>\n<li>echo\u00a0'<span class=\"variable\">$myv<\/span>'<\/li>\n<li class=\"alt\">echo\u00a0\\<span class=\"variable\">$myv<\/span><\/li>\n<li><\/li>\n<li class=\"alt\">echo\u00a0Please\u00a0Enter\u00a0some\u00a0text:<\/li>\n<li>read\u00a0myv<\/li>\n<li class=\"alt\"><\/li>\n<li>echo\u00a0'<span class=\"variable\">$myv<\/span>'\u00a0now\u00a0equals\u00a0<span class=\"variable\">$myv<\/span><\/li>\n<li class=\"alt\"><\/li>\n<li>exit\u00a00<\/li>\n<\/ol>\n<\/div>\n<p>\u6267\u884c\u8be5\u811a\u672c\uff1a<\/p>\n<div class=\"dp-highlighter\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\">$\u00a0.\/variable<\/li>\n<li>langtuteng<\/li>\n<li class=\"alt\">langtuteng<\/li>\n<li>$myv<\/li>\n<li class=\"alt\">$myv<\/li>\n<li>Please\u00a0Enter\u00a0some\u00a0text:<\/li>\n<li class=\"alt\">langlang<\/li>\n<li>$myv\u00a0now\u00a0equals\u00a0langlang<\/li>\n<\/ol>\n<\/div>\n<p>&nbsp;<\/p>\n<p><strong style=\"text-indent: 2em;\">\u4e8c\u3001\u6761\u4ef6<\/strong><span style=\"text-indent: 2em;\">\uff1a\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0c\u5927\u591a\u6570\u811a\u672c\u7a0b\u5e8f\u90fd\u4f1a\u5e7f\u6cdb\u4f7f\u7528 shell \u7684\u5e03\u5c14\u5224\u65ad\u547d\u4ee4 [ \u6216 test\u3002<\/span><\/p>\n<div class=\"dp-highlighter\">\n<div class=\"bar\">\n<div class=\"tools\"><strong style=\"color: #000;\">Code<\/strong>\u00a0\u00a0\u00a0<a href=\"#\">View<\/a><a href=\"#\">Print<\/a><\/div>\n<\/div>\n<ol class=\"dp-rb\" start=\"1\">\n<li class=\"alt\">$\u00a0<span class=\"keyword\">if<\/span>\u00a0[\u00a0-f\u00a0\/bin\/bash\u00a0];<span class=\"keyword\">then<\/span><\/li>\n<li>&gt;\u00a0echo\u00a0<span class=\"string\">\"file\u00a0\/bin\/bash\u00a0exists\"<\/span><\/li>\n<li class=\"alt\">&gt;\u00a0fi<\/li>\n<li>file\u00a0\/bin\/bash\u00a0exists<\/li>\n<li class=\"alt\">$\u00a0<span class=\"keyword\">if<\/span>\u00a0test\u00a0-d\u00a0\/bin\/bash<\/li>\n<li>&gt;\u00a0<span class=\"keyword\">then<\/span><\/li>\n<li class=\"alt\">&gt;\u00a0echo\u00a0<span class=\"string\">\"is\u00a0a\u00a0directory.\"<\/span><\/li>\n<li>&gt;\u00a0<span class=\"keyword\">else<\/span><\/li>\n<li class=\"alt\">&gt;\u00a0echo\u00a0<span class=\"string\">\"is\u00a0a\u00a0file.\"<\/span><\/li>\n<li>&gt;\u00a0fi<\/li>\n<li class=\"alt\">is\u00a0a\u00a0file.<\/li>\n<\/ol>\n<\/div>\n<p><strong>\u4e09\u3001\u63a7\u5236\u7ed3\u6784<\/strong>\uff1a\u4e3b\u8981\u6709 if \u8bed\u53e5\u3001elif \u8bed\u53e5\u3001for \u8bed\u53e5\u3001while \u8bed\u53e5\u3001until \u8bed\u53e5\u3001case \u8bed\u53e5\u3001\u547d\u4ee4\u5217\u8868\u3001\u8bed\u53e5\u5757\u3002<\/p>\n<p><strong>\u56db\u3001\u51fd\u6570<\/strong>\uff1a<\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7 return \u547d\u4ee4\u8ba9\u51fd\u6570\u8fd4\u56de\u6570\u5b57\u503c\uff0c\u8ba9\u51fd\u6570\u8fd4\u56de\u5b57\u7b26\u4e32\u503c\u7684\u5e38\u7528\u65b9\u6cd5\u662f\u8ba9\u51fd\u6570\u5c06\u5b57\u7b26\u4e32\u4fdd\u5b58\u5728\u4e00\u4e2a\u53d8\u91cf\u4e2d\uff0c\u53ef\u4ee5\u5728\u51fd\u6570\u7ed3\u675f\u4e4b\u540e\u4f7f\u7528\u8be5\u53d8\u91cf\u3002<\/p>\n<p>\u4f7f\u7528 local \u5173\u952e\u5b57\u5728\u51fd\u6570\u4e2d\u58f0\u660e\u5c40\u90e8\u53d8\u91cf\uff0c\u5c06\u4ec5\u5728\u51fd\u6570\u7684\u4f5c\u7528\u8303\u56f4\u5185\u6709\u6548\u3002<\/p>\n<p><strong>\u4e94\u3001\u547d\u4ee4\uff1a<\/strong><\/p>\n<p>break \u547d\u4ee4\uff1a\u5728\u63a7\u5236\u6761\u4ef6\u672a\u6ee1\u8db3\u4e4b\u524d\uff0c\u8df3\u51fa\u5faa\u73af\uff0c\u9ed8\u8ba4\u8df3\u51fa\u4e00\u5c42\u5faa\u73af\u3002<\/p>\n<p>\u5192\u53f7\uff08\uff1a\uff09\u547d\u4ee4\uff1a\u662f\u4e00\u4e2a\u7a7a\u547d\u4ee4\uff0c\u76f8\u5f53\u4e8e true \u7684\u4e00\u4e2a\u522b\u540d\u3002<\/p>\n<p>continue \u547d\u4ee4\uff1a\u8df3\u5230\u4e0b\u4e00\u6b21\u5faa\u73af\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n<p>\u70b9\uff08.\uff09\u547d\u4ee4\uff1a\u6267\u884c\u811a\u672c\u65f6\uff0c\u8c03\u7528\u8be5\u811a\u672c\u7a0b\u5e8f\u7684\u540c\u4e00\u4e2a shell\u3002<\/p>\n<p>echo \u547d\u4ee4\uff1a\u8f93\u51fa\u7ed3\u5c3e\u5e26\u6709\u6362\u884c\u7b26\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<p>eval \u547d\u4ee4\uff1a\u5141\u8bb8\u5bf9\u53c2\u6570\u8fdb\u884c\u6c42\u503c\u3002<\/p>\n<p>exec \u547d\u4ee4\uff1a\u5c06\u5f53\u524d shell \u66ff\u6362\u4e3a\u4e00\u4e2a\u4e0d\u540c\u7684\u7a0b\u5e8f\uff0c\u4e5f\u53ef\u4ee5\u4fee\u6539\u5f53\u524d\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<\/p>\n<p>exit n \u547d\u4ee4\uff1a\u4f7f\u811a\u672c\u7a0b\u5e8f\u4ee5\u9000\u51fa\u7801 n \u7ed3\u675f\u8fd0\u884c\u3002<\/p>\n<p>export \u547d\u4ee4\uff1a\u5c06\u4f5c\u4e3a\u5b83\u53c2\u6570\u7684\u53d8\u91cf\u5bfc\u51fa\u5230\u5b50 shell \u4e2d\uff0c\u5e76\u4f7f\u4e4b\u5728\u5b50 shell \u4e2d\u6709\u6548\u3002<\/p>\n<p>expr \u547d\u4ee4\uff1a\u5c06\u5b83\u7684\u53c2\u6570\u5f53\u505a\u4e00\u4e2a\u8868\u8fbe\u5f0f\u6765\u6c42\u503c\u3002<\/p>\n<p>printf \u547d\u4ee4\uff1a\u683c\u5f0f\u5316\u8f93\u51fa\uff0c\u53ea\u6709\u65b0\u7248\u672c\u7684 shell \u624d\u63d0\u4f9b\u8be5\u547d\u4ee4\uff0c\u7528\u5b83\u6765\u4ee3\u66ff echo \u547d\u4ee4\u3002<\/p>\n<p>return \u547d\u4ee4\uff1a\u4f7f\u51fd\u6570\u8fd4\u56de\uff0c\u5982\u679c\u6ca1\u6709\u6307\u5b9a\u8be5\u8fd4\u56de\u53c2\u6570\uff0c\u5219\u9ed8\u8ba4\u8fd4\u56de\u6700\u540e\u4e00\u6761\u547d\u4ee4\u7684\u9000\u51fa\u7801\u3002<\/p>\n<p>set \u547d\u4ee4\uff1a\u4e3a shell \u8bbe\u7f6e\u53c2\u6570\u53d8\u91cf\u3002<\/p>\n<p>shift \u547d\u4ee4\uff1a\u628a\u6240\u6709\u53c2\u6570\u53d8\u91cf\u5de6\u79fb\u4e00\u4e2a\u4f4d\u7f6e\uff0c\u4f7f $2 \u53d8\u6210 $1\uff0c$3 \u53d8\u6210 $2\uff0c\u4f9d\u6b21\u7c7b\u63a8\u3002\u539f\u6765 $1 \u7684\u503c\u5c06\u88ab\u4e22\u5f03\uff0c\u800c $0 \u4ecd\u5c06\u4fdd\u6301\u4e0d\u53d8\u3002<\/p>\n<p>trap \u547d\u4ee4\uff1a\u7528\u4e8e\u6307\u5b9a\u5728\u63a5\u6536\u5230\u4fe1\u53f7\u540e\u5c06\u8981\u91c7\u53d6\u7684\u884c\u52a8\uff0c\u4e00\u79cd\u5e38\u89c1\u7684\u7528\u9014\u4e3a\u5728\u811a\u672c\u7a0b\u5e8f\u88ab\u4e2d\u65ad\u65f6\u5b8c\u6210\u6e05\u7406\u5de5\u4f5c\u3002<\/p>\n<p>unset \u547d\u4ee4\uff1a\u4ece\u73af\u5883\u4e2d\u5220\u9664\u53d8\u91cf\u6216\u51fd\u6570\u3002\u8be5\u547d\u4ee4\u4e0d\u80fd\u5220\u9664 shell \u672c\u8eab\u5b9a\u4e49\u7684\u53ea\u8bfb\u53d8\u91cf\u3002<\/p>\n<p>\u603b\u7ed3\uff1ashell \u672c\u8eab\u5c31\u662f\u4e00\u79cd\u529f\u80fd\u5f3a\u5927\u7684\u7a0b\u5e8f\u8bbe\u8ba1\u8bed\u8a00\u3002\u5b83\u80fd\u591f\u8f7b\u677e\u8c03\u7528\u5176\u5b83\u7a0b\u5e8f\u5e76\u5bf9\u5b83\u4eec\u7684\u8f93\u51fa\u8fdb\u884c\u5904\u7406\uff0c\u8fd9\u79cd\u80fd\u529b\u4f7f\u5f97 shell \u6210\u4e3a\u5b8c\u6210\u6587\u672c\u548c\u6587\u4ef6\u5904\u7406\u4efb\u52a1\u7684\u4e00\u4e2a\u7406\u60f3\u5de5\u5177\u3002<\/p>\n<p><span style=\"color: #ff0000;\">\u8bf4\u660e\uff1a\u6587\u7ae0\u4e3b\u8981\u662f\u9605\u8bfb\u300aLinux\u7a0b\u5e8f\u8bbe\u8ba1\u300b\u4e2d\u6587\u7b2c\u56db\u7248\u65f6\u7684\u6458\u5f55\u7b14\u8bb0\uff0c\u5982\u679c\u60f3\u4e86\u89e3\u66f4\u591a\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u9605\u8bfb\u539f\u4e66\u7b2c 2 \u7ae0\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662f Shell\uff1fShell \u662f\u4e00\u4e2a\u4f5c\u4e3a\u7528\u6237\u4e0e Linux \u7cfb\u7edf\u95f4\u63a5\u53e3\u7684\u7a0b\u5e8f\uff0c\u5141\u8bb8\u7528\u6237\u5411\u64cd\u4f5c\u7cfb\u7edf\u8f93\u5165\u9700\u8981\u6267\u884c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[227],"tags":[602,349,89],"class_list":["post-1564","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux","tag-shell","tag-89"],"_links":{"self":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/1564","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1564"}],"version-history":[{"count":0,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/1564\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1564"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}