{"id":5291,"date":"2021-06-04T21:13:18","date_gmt":"2021-06-04T13:13:18","guid":{"rendered":"https:\/\/damogame.cn\/wordpress\/?p=5291"},"modified":"2021-06-04T21:13:18","modified_gmt":"2021-06-04T13:13:18","slug":"%e8%bd%af%e9%93%be%e6%8e%a5%e5%92%8c%e7%a1%ac%e9%93%be%e6%8e%a5%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/5291","title":{"rendered":"\u201c\u8f6f\u94fe\u63a5\u201d\u548c\u201c\u786c\u94fe\u63a5\u201d\u7684\u533a\u522b"},"content":{"rendered":"
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\u539f\u6587\u94fe\u63a5<\/a><\/p>\n<\/div>\n

<\/div>\n<\/div>\n

<\/a><\/p>\n

Linux\u7cfb\u7edf\u6280\u672f\u4ea4\u6d41QQ\u7fa4\uff08240955\uff09\u9a8c\u8bc1\u95ee\u9898\u7b54\u6848\uff1a\u5218\u9044<\/strong>\"Linux\u5c31\u8be5\u8fd9\u4e48\u5b66\"<\/a><\/p>\n

\n
\n\n\n\n
\u5bfc\u8bfb<\/td>\n\u6211\u4eec\u77e5\u9053\u6587\u4ef6\u90fd\u6709\u6587\u4ef6\u540d\u4e0e\u6570\u636e\uff0c\u8fd9\u5728\u00a0Linux<\/a>\u00a0\u4e0a\u88ab\u5206\u6210\u4e24\u4e2a\u90e8\u5206\uff1a\u7528\u6237\u6570\u636e (user data) \u4e0e\u5143\u6570\u636e (metadata)\u3002\u7528\u6237\u6570\u636e\uff0c\u5373\u6587\u4ef6\u6570\u636e\u5757 (data block)\uff0c\u6570\u636e\u5757\u662f\u8bb0\u5f55\u6587\u4ef6\u771f\u5b9e\u5185\u5bb9\u7684\u5730\u65b9\uff1b\u800c\u5143\u6570\u636e\u5219\u662f\u6587\u4ef6\u7684\u9644\u52a0\u5c5e\u6027\uff0c\u5982\u6587\u4ef6\u5927\u5c0f\u3001\u521b\u5efa\u65f6\u95f4\u3001\u6240\u6709\u8005\u7b49\u4fe1\u606f\u3002\u5728 Linux \u4e2d\uff0c\u5143\u6570\u636e\u4e2d\u7684 inode \u53f7\uff08inode \u662f\u6587\u4ef6\u5143\u6570\u636e\u7684\u4e00\u90e8\u5206\u4f46\u5176\u5e76\u4e0d\u5305\u542b\u6587\u4ef6\u540d\uff0cinode \u53f7\u5373\u7d22\u5f15\u8282\u70b9\u53f7\uff09\u624d\u662f\u6587\u4ef6\u7684\u552f\u4e00\u6807\u8bc6\u800c\u975e\u6587\u4ef6\u540d\u3002\u6587\u4ef6\u540d\u4ec5\u662f\u4e3a\u4e86\u65b9\u4fbf\u4eba\u4eec\u7684\u8bb0\u5fc6\u548c\u4f7f\u7528\uff0c\u7cfb\u7edf\u6216\u7a0b\u5e8f\u901a\u8fc7 inode \u53f7\u5bfb\u627e\u6b63\u786e\u7684\u6587\u4ef6\u6570\u636e\u5757\u3002\u800c\u6709\u4e00\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5feb\u901f\u7684\u5bfb\u627e\u5230\u6570\u636e\u5143\uff0c\u90a3\u5c31\u662f\u8f6f\u786c\u94fe\u63a5\uff0c\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u5427\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u4ec0\u4e48\u662f\u94fe\u63a5\uff1f<\/strong><\/div>\n

\u94fe\u63a5\u7b80\u5355\u8bf4\u5b9e\u9645\u4e0a\u662f\u4e00\u79cd\u6587\u4ef6\u5171\u4eab\u7684\u65b9\u5f0f\uff0c\u662f POSIX \u4e2d\u7684\u6982\u5ff5\uff0c\u4e3b\u6d41\u6587\u4ef6\u7cfb\u7edf\u90fd\u652f\u6301\u94fe\u63a5\u6587\u4ef6\u3002<\/p>\n

\u5b83\u662f\u7528\u6765\u5e72\u4ec0\u4e48\u7684\uff1f<\/strong><\/div>\n

\u4f60\u53ef\u4ee5\u5c06\u94fe\u63a5\u7b80\u5355\u5730\u7406\u89e3\u4e3a Windows \u4e2d\u5e38\u89c1\u7684\u5feb\u6377\u65b9\u5f0f\uff08\u6216\u662f OS X \u4e2d\u7684\u66ff\u8eab\uff09\uff0cLinux \u4e2d\u5e38\u7528\u5b83\u6765\u89e3\u51b3\u4e00\u4e9b\u5e93\u7248\u672c\u7684\u95ee\u9898\uff0c\u901a\u5e38\u4e5f\u4f1a\u5c06\u4e00\u4e9b\u76ee\u5f55\u5c42\u6b21\u8f83\u6df1\u7684\u6587\u4ef6\u94fe\u63a5\u5230\u4e00\u4e2a\u66f4\u6613\u8bbf\u95ee\u7684\u76ee\u5f55\u4e2d\u3002\u5728\u8fd9\u4e9b\u7528\u9014\u4e0a\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u4f7f\u7528\u5230\u8f6f\u94fe\u63a5\uff08\u4e5f\u79f0\u7b26\u53f7\u94fe\u63a5\uff09\u3002<\/p>\n

\u5185\u5bb9<\/strong><\/div>\n

\u8f6f\u94fe\u63a5\u548c\u786c\u94fe\u63a5\u7684\u533a\u522b\u662f\uff1f
\n\u4e0b\u9762\u6211\u4eec\u8fdb\u5165\u6b63\u9898\uff0c\u6765\u63a2\u8ba8\u4e00\u4e0b\u8f6f\u786c\u4e24\u79cd\u94fe\u63a5\u5230\u5e95\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/p>\n

\u9996\u5148\uff0c\u4ece\u4f7f\u7528\u7684\u89d2\u5ea6\u8bb2\uff0c\u4e24\u8005\u6ca1\u6709\u4efb\u4f55\u533a\u522b\uff0c\u90fd\u4e0e\u6b63\u5e38\u7684\u6587\u4ef6\u8bbf\u95ee\u65b9\u5f0f\u4e00\u6837\uff0c\u652f\u6301\u8bfb\u5199\uff0c\u5982\u679c\u662f\u53ef\u6267\u884c\u6587\u4ef6\u7684\u8bdd\u4e5f\u53ef\u4ee5\u76f4\u63a5\u6267\u884c\u3002<\/p>\n

\u90a3\u533a\u522b\u5728\u54ea\u5462\uff1f\u5728\u5e95\u5c42\u7684\u539f\u7406\u4e0a\u3002<\/p>\n

\u4e3a\u4e86\u89e3\u91ca\u6e05\u695a\uff0c\u6211\u4eec\u9996\u5148\u5728\u81ea\u5df1\u7684\u4e00\u4e2a\u5de5\u4f5c\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u6587\u4ef6\uff0c\u7136\u540e\u5bf9\u8fd9\u4e2a\u6587\u4ef6\u8fdb\u884c\u94fe\u63a5\u7684\u521b\u5efa\uff1a<\/p>\n

$ touch myfile && echo \"This is a plain text file.\" > myfile\r\n$ cat myfile\r\n\r\nThis is a plain text file.\r\n<\/pre>\n
\u73b0\u5728\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u666e\u901a\u5730\u4e0d\u80fd\u518d\u666e\u901a\u7684\u6587\u4ef6\u4e86\u3002\u7136\u540e\u6211\u4eec\u5bf9\u5b83\u521b\u5efa\u4e00\u4e2a\u786c\u94fe\u63a5\uff0c\u5e76\u67e5\u770b\u4e00\u4e0b\u5f53\u524d\u76ee\u5f55\uff1a<\/p>\n
$ ln myfile hard\r\n$ ls -li\r\n\r\n25869085 -rw-r--r-- 2 unixzii staff 27 7 8 17:39 hard\r\n25869085 -rw-r--r-- 2 unixzii staff 27 7 8 17:39 myfile\r\n<\/pre>\n
\u5728 ls \u7ed3\u679c\u7684\u6700\u5de6\u8fb9\u4e00\u5217\uff0c\u662f\u6587\u4ef6\u7684 inode \u503c\uff0c\u4f60\u53ef\u4ee5\u7b80\u5355\u628a\u5b83\u60f3\u6210 C \u8bed\u8a00\u4e2d\u7684\u6307\u9488\u3002\u5b83\u6307\u5411\u4e86\u7269\u7406\u786c\u76d8\u7684\u4e00\u4e2a\u533a\u5757\uff0c\u4e8b\u5b9e\u4e0a\u6587\u4ef6\u7cfb\u7edf\u4f1a\u7ef4\u62a4\u4e00\u4e2a\u5f15\u7528\u8ba1\u6570\uff0c\u53ea\u8981\u6709\u6587\u4ef6\u6307\u5411\u8fd9\u4e2a\u533a\u5757\uff0c\u5b83\u5c31\u4e0d\u4f1a\u4ece\u786c\u76d8\u4e0a\u6d88\u5931\u3002<\/p>\n
\u4f60\u4e5f\u770b\u5230\u4e86\uff0c\u8fd9\u4e24\u4e2a\u6587\u4ef6\u5c31\u5982\u540c\u4e00\u4e2a\u6587\u4ef6\u4e00\u6837\uff0cinode \u503c\u76f8\u540c\uff0c\u90fd\u6307\u5411\u540c\u4e00\u4e2a\u533a\u5757\u3002<\/p>\n
\u7136\u540e\u6211\u4eec\u4fee\u6539\u4e00\u4e0b\u521a\u624d\u521b\u5efa\u7684 hard \u94fe\u63a5\u6587\u4ef6\uff1a<\/p>\n
$ echo \"New line\" >> hard\r\n$ cat myfile\r\n\r\nThis is a plain text file.\r\nNew line\r\n<\/pre>\n
\u53ef\u4ee5\u770b\u5230\uff0c\u8fd9\u4e24\u4e2a\u6587\u4ef6\u679c\u771f\u5c31\u662f\u4e00\u4e2a\u6587\u4ef6\u3002 \u4e0b\u9762\u6211\u4eec\u770b\u770b\u8f6f\u94fe\u63a5\uff08\u4e5f\u5c31\u662f\u7b26\u53f7\u94fe\u63a5\uff09\u548c\u5b83\u6709\u4ec0\u4e48\u533a\u522b\u3002<\/p>\n
$ ln -s myfile soft\r\n$ ls -li\r\n\r\n25869085 -rw-r--r-- 2 unixzii staff 36 7 8 17:45 hard\r\n25869085 -rw-r--r-- 2 unixzii staff 36 7 8 17:45 myfile\r\n25869216 lrwxr-xr-x 1 unixzii staff 6 7 8 17:47 soft -> myfile\r\n<\/pre>\n
\u8bf6\uff0c\u4f60\u4f1a\u53d1\u73b0\uff0c\u8fd9\u4e2a\u8f6f\u94fe\u63a5\u7684 inode \u7adf\u7136\u4e0d\u4e00\u6837\u554a\uff0c\u5e76\u4e14\u5b83\u7684\u6587\u4ef6\u5c5e\u6027\u4e0a\u4e5f\u6709\u4e00\u4e2a l \u7684 flag\uff0c\u8fd9\u5c31\u8bf4\u660e\u5b83\u4e0e\u4e4b\u524d\u6211\u4eec\u521b\u5efa\u7684\u4e24\u4e2a\u6587\u4ef6\u6839\u672c\u4e0d\u662f\u4e00\u4e2a\u7c7b\u578b\u3002<\/p>\n
\u4e0b\u9762\u6211\u4eec\u8bd5\u7740\u5220\u9664 myfile \u6587\u4ef6\uff0c\u7136\u540e\u5206\u522b\u8f93\u51fa\u8f6f\u786c\u94fe\u63a5\u7684\u6587\u4ef6\u5185\u5bb9\uff1a<\/p>\n
$ rm myfile\r\n$ cat hard\r\n\r\nThis is a plain text file.\r\nNew line\r\n$ cat soft\r\n\r\ncat: soft: No such file or directory\r\n<\/pre>\n
\u4e4b\u524d\u7684\u786c\u94fe\u63a5\u6ca1\u6709\u4e1d\u6beb\u5730\u5f71\u54cd\uff0c\u56e0\u4e3a\u5b83 inode \u6240\u6307\u5411\u7684\u533a\u5757\u7531\u4e8e\u6709\u4e00\u4e2a\u786c\u94fe\u63a5\u5728\u6307\u5411\u5b83\uff0c\u6240\u4ee5\u8fd9\u4e2a\u533a\u5757\u4ecd\u7136\u6709\u6548\uff0c\u5e76\u4e14\u53ef\u4ee5\u8bbf\u95ee\u5230\u3002 \u7136\u800c\u8f6f\u94fe\u63a5\u7684 inode \u6240\u6307\u5411\u7684\u5185\u5bb9\u5b9e\u9645\u4e0a\u662f\u4fdd\u5b58\u4e86\u4e00\u4e2a\u7edd\u5bf9\u8def\u5f84\uff0c\u5f53\u7528\u6237\u8bbf\u95ee\u8fd9\u4e2a\u6587\u4ef6\u65f6\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u5c06\u5176\u66ff\u6362\u6210\u5176\u6240\u6307\u7684\u6587\u4ef6\u8def\u5f84\uff0c\u7136\u800c\u8fd9\u4e2a\u6587\u4ef6\u5df2\u7ecf\u88ab\u5220\u9664\u4e86\uff0c\u6240\u4ee5\u81ea\u7136\u5c31\u4f1a\u663e\u793a\u65e0\u6cd5\u627e\u5230\u8be5\u6587\u4ef6\u4e86\u3002<\/p>\n
\u4e3a\u9a8c\u8bc1\u8fd9\u4e00\u731c\u60f3\uff0c\u6211\u4eec\u518d\u5411\u8fd9\u4e2a\u8f6f\u94fe\u63a5\u5199\u70b9\u4e1c\u897f\uff1a<\/p>\n
$ echo \"Something\" >> soft\r\n$ ls\r\n\r\nhard myfile soft\r\n<\/pre>\n
\u53ef\u4ee5\u770b\u5230\uff0c\u521a\u624d\u5220\u9664\u7684 myfile \u6587\u4ef6\u7adf\u7136\u53c8\u51fa\u73b0\u4e86\uff01\u8fd9\u5c31\u8bf4\u660e\uff0c\u5f53\u6211\u4eec\u5199\u5165\u8bbf\u95ee\u8f6f\u94fe\u63a5\u65f6\uff0c\u7cfb\u7edf\u81ea\u52a8\u5c06\u5176\u8def\u5f84\u66ff\u6362\u4e3a\u5176\u6240\u4ee3\u8868\u7684\u7edd\u5bf9\u8def\u5f84\uff0c\u5e76\u76f4\u63a5\u8bbf\u95ee\u90a3\u4e2a\u8def\u5f84\u4e86\u3002<\/p>\n
\u603b\u7ed3<\/strong><\/div>\n
\u603b\u7ed3
\n\u5230\u8fd9\u91cc\u6211\u4eec\u5176\u5b9e\u53ef\u4ee5\u603b\u7ed3\u4e00\u4e0b\u4e86\uff1a<\/p>\n
\u786c\u94fe\u63a5\uff1a \u4e0e\u666e\u901a\u6587\u4ef6\u6ca1\u4ec0\u4e48\u4e0d\u540c\uff0cinode \u90fd\u6307\u5411\u540c\u4e00\u4e2a\u6587\u4ef6\u5728\u786c\u76d8\u4e2d\u7684\u533a\u5757
\n\u8f6f\u94fe\u63a5\uff1a \u4fdd\u5b58\u4e86\u5176\u4ee3\u8868\u7684\u6587\u4ef6\u7684\u7edd\u5bf9\u8def\u5f84\uff0c\u662f\u53e6\u5916\u4e00\u79cd\u6587\u4ef6\uff0c\u5728\u786c\u76d8\u4e0a\u6709\u72ec\u7acb\u7684\u533a\u5757\uff0c\u8bbf\u95ee\u65f6\u66ff\u6362\u81ea\u8eab\u8def\u5f84\u3002<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u539f\u6587\u94fe\u63a5 Linux\u7cfb\u7edf\u6280\u672f\u4ea4\u6d41QQ\u7fa4\uff08<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[117],"class_list":["post-5291","post","type-post","status-publish","format-standard","hentry","tag-01-linux"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/5291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=5291"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/5291\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=5291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=5291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=5291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}