{"id":2742,"date":"2016-06-11T22:39:44","date_gmt":"2016-06-11T14:39:44","guid":{"rendered":"http:\/\/ixyzero.com\/blog\/?p=2742"},"modified":"2016-06-11T22:39:44","modified_gmt":"2016-06-11T14:39:44","slug":"linux%e4%b8%8b%e7%9b%ae%e5%bd%95%e7%9a%84%e6%9d%83%e9%99%90%e5%92%8c%e5%af%b9%e5%ba%94%e7%9a%84%e6%95%88%e7%94%a8","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/2742.html","title":{"rendered":"Linux\u4e0b\u76ee\u5f55\u7684\u6743\u9650\u548c\u5bf9\u5e94\u7684\u6548\u7528"},"content":{"rendered":"<p>=Start=<\/p>\n<h5>\u7f18\u7531\uff1a<\/h5>\n<p>\u6700\u8fd1\u5728\u901a\u8fc7\u770b\u4e00\u4e9b\u9762\u8bd5\u9898\u6765\u6d4b\u8bd5\u81ea\u5df1\u5bf9Linux\u7cfb\u7edf\u7684\u4e86\u89e3\u7a0b\u5ea6\uff0c\u5176\u4e2d\u6709\u4e00\u9053\u662f\u5173\u4e8eLinux\u4e0b\u76ee\u5f55\u6743\u9650\u7684\u95ee\u9898\u7684\u3002\u867d\u7136\u4e4b\u524d(\u5bf9\u8be5\u95ee\u9898)\u6709\u8fc7\u4e00\u5b9a\u4e86\u89e3\uff0c\u4f46\u65f6\u95f4\u4e45\u4e86\u73b0\u5728\u8bb0\u5f97\u4e0d\u592a\u6e05\u695a\u4e86\uff0c\u6240\u4ee5\u8fd9\u6b21\u521a\u597d\u5c31\u6e29\u4e60\u4e00\u904d\uff0c\u8fd8\u633a\u6709\u610f\u601d\u7684\u3002<\/p>\n<h5>\u6b63\u6587\uff1a<\/h5>\n<p>\u5148\u8bf4\u7ed3\u8bba\uff1a\u5728Linux\u4e2d\uff0c\u6587\u4ef6\u7684\u53ef\u6267\u884c\u6743\u9650\uff08x\uff09\u8868\u793a\u8be5\u6587\u4ef6\u53ef\u4ee5\u88ab\u7cfb\u7edf\u89e3\u91ca\u5e76\u6267\u884c\uff1b\u76ee\u5f55\u7684\u53ef\u6267\u884c\u6743\u9650\uff08x\uff09\u8868\u793a\u5141\u8bb8\u7528\u6237\u901a\u8fc7cd\u547d\u4ee4\u5c06\u5de5\u4f5c\u76ee\u5f55\u6539\u5230\u8be5\u76ee\u5f55\uff08\u53cd\u8fc7\u6765\u8bf4\uff0c\u5982\u679c\u4f60\u5bf9\u76ee\u5f55\u6ca1\u6709\u53ef\u6267\u884c\u6743\u9650\uff0c\u4f60\u5c06\u65e0\u6cd5`cd`\u8fdb\u5165\u8be5\u76ee\u5f55\uff0c\u4e14\u6700\u591a\u53ea\u80fd\u77e5\u9053\u8be5\u76ee\u5f55\u4e0b\u6709\u54ea\u4e9b\u6587\u4ef6(\u6700\u591a\u77e5\u9053\u6587\u4ef6\u540d\uff0c\u65e0\u6cd5\u77e5\u9053\u6587\u4ef6\u7684\u5176\u5b83\u4fe1\u606f)\uff0c\u4f46\u662f\u65e0\u6cd5\u67e5\u770b\/\u4fee\u6539\u6587\u4ef6\u5185\u5bb9(\u5373\u4fbf\u4f60\u6709\u8be5\u6587\u4ef6\u7684\u8bfb\u5199\u6743\u9650)\uff09\u3002<\/p>\n<p>\u4e0b\u9762\u770b\u770b\u5177\u4f53\u7684\u5b9e\u9a8c\u8fc7\u7a0b\uff1a<\/p>\n<pre class=\"lang:default decode:true\">##\u6d4b\u8bd5\u76ee\u5f55\u7684\u53ef\u6267\u884c\u6743\u9650(x)##\n\u7ed3\u8bba\uff1a\u5982\u679c\u4f60\u5bf9\u76ee\u5f55\u6ca1\u6709\u53ef\u6267\u884c\u6743\u9650\uff0c\u5219\u4f60\u65e0\u6cd5`cd`\u8fdb\u5165\u8be5\u76ee\u5f55\uff0c\u4e14\u6700\u591a\u53ea\u80fd\u77e5\u9053\u8be5\u76ee\u5f55\u4e0b\u6709\u54ea\u4e9b\u6587\u4ef6(\u4ec5\u9650\u4e8e\u6587\u4ef6\u540d\uff0c\u65e0\u6cd5\u77e5\u9053\u6587\u4ef6\u7684\u5176\u5b83\u4fe1\u606f)\uff0c\u4f46\u662f\u65e0\u6cd5\u67e5\u770b\/\u4fee\u6539\u6587\u4ef6\u5185\u5bb9(\u5373\u4fbf\u4f60\u6709\u8be5\u6587\u4ef6\u7684\u8bfb\u5199\u6743\u9650)\u3002\n\n[user@crazyof]~\/test_s$ mkdir dir_without_x\n[user@crazyof]~\/test_s$ ll\ndrwxr-xr-x 2 user users 4.0K 6\u6708  11 19:34 dir_without_x     #\u65b0\u5efa\u76ee\u5f55\u7684\u9ed8\u8ba4\u6743\u9650\u4e3a`755`\n\n[user@crazyof]~\/test_s$ echo \"hi\" &gt; dir_without_x\/a.txt\n[user@crazyof]~\/test_s$ echo \"hey\" &gt; dir_without_x\/b.txt\n\n[user@crazyof]~\/test_s$ ll dir_without_x\n\u603b\u7528\u91cf 8.0K\n-rw-r--r-- 1 user users 3 6\u6708  11 19:35 a.txt\n-rw-r--r-- 1 user users 4 6\u6708  11 19:35 b.txt\n\n[user@crazyof]~\/test_s$ ls -alt\ndrwx------ 20 user users 4096 6\u6708  11 19:35 ..\ndrwxr-xr-x  2 user users 4096 6\u6708  11 19:35 dir_without_x\ndrwxr-xr-x  4 user users 4096 6\u6708  11 19:34 .\n\n[user@crazyof]~\/test_s$ chmod a-x dir_without_x     #\u53bb\u6389\u6240\u6709\u4eba(\u9664root\u5916)\u5bf9\u76ee\u5f55\u7684\u53ef\u6267\u884c\u6743\u9650\n[user@crazyof]~\/test_s$ ll\ndrw-r--r-- 2 user users 4.0K 6\u6708  11 19:35 dir_without_x  #\u76ee\u5f55\u7684\u6743\u9650\u53d8\u4e3a`644`\n\n[user@crazyof]~\/test_s$ cd dir_without_x  #\u65e0\u6cd5`cd`\u81f3\u8be5\u76ee\u5f55\ncd: \u6743\u9650\u4e0d\u591f: dir_without_x\n\n[user@crazyof]~\/test_s$ ll dir_without_x  #\u53ea\u80fd\u5217\u51fa\u8be5\u76ee\u5f55\u4e0b\u5bf9\u8be5\u7528\u6237\u53ef\u89c1\u7684\u6587\u4ef6\/\u76ee\u5f55\u540d\nls: \u65e0\u6cd5\u8bbf\u95eedir_without_x\/b.txt: \u6743\u9650\u4e0d\u591f\nls: \u65e0\u6cd5\u8bbf\u95eedir_without_x\/a.txt: \u6743\u9650\u4e0d\u591f\n\u603b\u7528\u91cf 0\n-????????? ? ? ? ?            ? a.txt\n-????????? ? ? ? ?            ? b.txt\n\n[user@crazyof]~\/test_s$ echo `date` &gt;&gt; dir_without_x\/a.txt  #\u65e0\u6cd5\u4fee\u6539\u8be5\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\nbash: \u6743\u9650\u4e0d\u591f: dir_without_x\/a.txt\n\n[user@crazyof]~\/test_s$ cat dir_without_x\/a.txt     #\u65e0\u6cd5\u8bfb\u53d6\u8be5\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\ncat: dir_without_x\/a.txt: \u6743\u9650\u4e0d\u591f\n\n\n##\u6d4b\u8bd5\u76ee\u5f55\u7684\u53ef\u8bfb\u6743\u9650(r)##\n\u7ed3\u8bba\uff1a\u5982\u679c\u4f60\u5bf9\u76ee\u5f55\u6ca1\u6709\u53ef\u8bfb\u6743\u9650\uff0c\u5219\u4f60\u65e0\u6cd5\u77e5\u9053\u8be5\u76ee\u5f55\u4e0b\u6709\u54ea\u4e9b\u6587\u4ef6\uff0c\u4e0d\u8fc7\u4f60\u53ef\u4ee5\u901a\u8fc7\u66b4\u529b\u731c\u89e3\u6765\u83b7\u53d6\u8be5\u76ee\u5f55\u4e0b(\u5bf9\u4f60\u5f00\u653e\u4e86\u8bfb\/\u5199\u6743\u9650\u7684)\u6587\u4ef6\u540d\u5217\u8868(\u5982\u679c\u67d0\u4e2a\u6587\u4ef6\u5bf9\u4f60\u5f00\u653e\u4e86\u8bfb\/\u5199\u6743\u9650\uff0c\u4f60\u8fd8\u53ef\u4ee5\u67e5\u770b\/\u4fee\u6539\u8be5\u6587\u4ef6)\u3002\n\n[user@crazyof]~\/test_s$ chmod a+x dir_without_x  #\u6062\u590d\u5bf9\u8be5\u76ee\u5f55\u7684\u53ef\u6267\u884c\u6743\u9650\n[user@crazyof]~\/test_s$ ll dir_without_x\n\u603b\u7528\u91cf 8.0K\n-rw-r--r-- 1 user users 82 6\u6708  11 19:38 a.txt\n-rw-r--r-- 1 user users  4 6\u6708  11 19:35 b.txt\n[user@crazyof]~\/test_s$ cat dir_without_x\/a.txt\nhi\n[user@crazyof]~\/test_s$ chmod a-r dir_without_x  #\u53bb\u6389\u6240\u6709\u4eba(\u9664root\u5916)\u5bf9\u8be5\u76ee\u5f55\u7684\u53ef\u8bfb\u6743\u9650\n[user@crazyof]~\/test_s$ ll dir_without_x\nls: \u65e0\u6cd5\u6253\u5f00\u76ee\u5f55dir_without_x: \u6743\u9650\u4e0d\u591f\n\n[user@crazyof]~\/test_s$ cd dir_without_x  #\u53ef\u4ee5\u901a\u8fc7`cd`\u547d\u4ee4\u5207\u6362\u5230\u8be5\u76ee\u5f55\u4e0b\n[user@crazyof]~\/test_s\/dir_without_x$ pwd\n\/home\/user\/test_s\/dir_without_x\n[user@crazyof]~\/test_s\/dir_without_x$ ll  #\u4f46\u65e0\u6cd5\u67e5\u770b\u8be5\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\/\u5b50\u76ee\u5f55\nls: \u65e0\u6cd5\u6253\u5f00\u76ee\u5f55.: \u6743\u9650\u4e0d\u591f\n[user@crazyof]~\/test_s\/dir_without_x$ cat a.txt  #\u5982\u679c\u77e5\u9053\u5177\u4f53\u6587\u4ef6\u540d\u7684\u8bdd\uff0c\u53ef\u4ee5\u76f4\u63a5\u6307\u5b9a\nhi\n[user@crazyof]~\/test_s\/dir_without_x$ echo `date +%F` &gt;&gt; a.txt\n[user@crazyof]~\/test_s\/dir_without_x$ cat a.txt\nhi\n2016-06-11\n\n\n##\u6d4b\u8bd5\u76ee\u5f55\u7684\u53ef\u5199\u6743\u9650(w)##\n\u7ed3\u8bba\uff1a\u5982\u679c\u4f60\u5bf9\u76ee\u5f55\u6ca1\u6709\u53ef\u5199\u6743\u9650\uff0c\u5219\u4f60\u65e0\u6cd5\u5728\u8be5\u76ee\u5f55\u4e0b\u65b0\u5efa\/\u5220\u9664\u6587\u4ef6\u3002\n\n[user@crazyof]~\/test_s$ chmod a+r,a-w dir_without_x  #\u6062\u590d\u5bf9\u8be5\u76ee\u5f55\u7684\u8bfb\u6743\u9650\uff0c\u5220\u9664\u5bf9\u8be5\u76ee\u5f55\u7684\u5199\u6743\u9650\n[user@crazyof]~\/test_s$ cd dir_without_x\n[user@crazyof]~\/test_s\/dir_without_x$ ll  #\u53ef\u4ee5\u67e5\u770b\u8be5\u76ee\u5f55\u4e0b\u6709\u54ea\u4e9b\u6587\u4ef6\/\u5b50\u76ee\u5f55\n\u603b\u7528\u91cf 8.0K\n-rw-r--r-- 1 user users 82 6\u6708  11 19:38 a.txt\n-rw-r--r-- 1 user users  4 6\u6708  11 19:35 b.txt\n[user@crazyof]~\/test_s\/dir_without_x$ cat a.txt  #\u53ef\u4ee5\u67e5\u770b\u8be5\u76ee\u5f55\u4e0b\u6709\u8bfb\u6743\u9650\u7684\u6587\u4ef6\u5185\u5bb9\nhi\n[user@crazyof]~\/test_s\/dir_without_x$ echo \"xyz\" &gt;&gt; a.txt    #\u53ef\u4ee5\u4fee\u6539\u8be5\u76ee\u5f55\u4e0b\u6709\u5199\u6743\u9650\u7684\u6587\u4ef6\u5185\u5bb9\n[user@crazyof]~\/test_s\/dir_without_x$ ll\n\u603b\u7528\u91cf 8.0K\n-rw-r--r-- 1 user users 86 6\u6708  11 19:55 a.txt\n-rw-r--r-- 1 user users  4 6\u6708  11 19:35 b.txt\n[user@crazyof]~\/test_s\/dir_without_x$ cat a.txt\nhi\nxyz\n[user@crazyof]~\/test_s\/dir_without_x$ echo \"xyz\" &gt;c.txt    #\u65e0\u6cd5\u5728\u8be5\u76ee\u5f55\u4e0b\u65b0\u5efa\u6587\u4ef6(\u4e5f\u65e0\u6cd5\u5220\u9664\u5df2\u6709\u6587\u4ef6)\nbash: \u6743\u9650\u4e0d\u591f: c.txt<\/pre>\n<p>\u901a\u8fc7\u4e0a\u9762\u7684\u547d\u4ee4\u53ef\u77e5\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u76ee\u5f55\u6765\u8bf4\uff0c\u53ef\u6267\u884c\u6743\u9650\u53ef\u662f\u76f8\u5f53\u91cd\u8981\uff01<\/p>\n<h5>\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n<ul>\n<li><a href=\"http:\/\/zhidao.baidu.com\/question\/139156810.html\">http:\/\/zhidao.baidu.com\/question\/139156810.html<\/a><\/li>\n<li><a href=\"http:\/\/vbird.dic.ksu.edu.tw\/linux_basic\/0210filepermission.php#filepermission_dir\">http:\/\/vbird.dic.ksu.edu.tw\/linux_basic\/0210filepermission.php#filepermission_dir<\/a><\/li>\n<li><a href=\"http:\/\/www.68idc.cn\/help\/server\/linux\/20141224149936.html\">http:\/\/www.68idc.cn\/help\/server\/linux\/20141224149936.html<\/a><\/li>\n<li><a href=\"http:\/\/blog.csdn.net\/czp11210\/article\/details\/8784648\">http:\/\/blog.csdn.net\/czp11210\/article\/details\/8784648<\/a><\/li>\n<\/ul>\n<p>=END=<\/p>\n","protected":false},"excerpt":{"rendered":"<p>=Start= \u7f18\u7531\uff1a \u6700\u8fd1\u5728\u901a\u8fc7\u770b\u4e00\u4e9b\u9762\u8bd5\u9898\u6765\u6d4b\u8bd5\u81ea\u5df1\u5bf9Linux\u7cfb\u7edf\u7684\u4e86\u89e3\u7a0b\u5ea6\uff0c\u5176\u4e2d\u6709\u4e00\u9053\u662f\u5173\u4e8eLinux [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,11],"tags":[184,30,633],"class_list":["post-2742","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","category-linux","tag-dir","tag-linux","tag-permission"],"views":2013,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/2742","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=2742"}],"version-history":[{"count":0,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/2742\/revisions"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=2742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=2742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=2742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}