{"id":864,"date":"2020-09-08T23:39:50","date_gmt":"2020-09-08T15:39:50","guid":{"rendered":"https:\/\/www.iotch.xyz\/?p=864"},"modified":"2020-09-08T23:39:50","modified_gmt":"2020-09-08T15:39:50","slug":"linux%e7%b3%bb%e7%bb%9f%e7%bb%93%e6%9e%84%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.iotch.xyz\/?p=864","title":{"rendered":"Linux\u7cfb\u7edf\u7ed3\u6784\u8be6\u89e3"},"content":{"rendered":"\n<p>Linux\u7cfb\u7edf\u4e00\u822c\u67094\u4e2a\u4e3b\u8981\u90e8\u5206\uff1a<\/p>\n\n\n\n<p><strong>\u5185\u6838\u3001shell\u3001\u6587\u4ef6\u7cfb\u7edf\u548c\u5e94\u7528\u7a0b\u5e8f<\/strong>\u3002\u5185\u6838\u3001shell\u548c\u6587\u4ef6\u7cfb\u7edf\u4e00\u8d77\u5f62\u6210\u4e86\u57fa\u672c\u7684\u64cd\u4f5c\u7cfb\u7edf\u7ed3\u6784\uff0c\u5b83\u4eec\u4f7f\u5f97\u7528\u6237\u53ef\u4ee5\u8fd0\u884c\u7a0b\u5e8f\u3001\u7ba1\u7406\u6587\u4ef6\u5e76\u4f7f\u7528\u7cfb\u7edf\u3002\u90e8\u5206\u5c42\u6b21\u7ed3\u6784\u5982\u56fe1-1\u6240\u793a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/imgconvert.csdnimg.cn\/aHR0cHM6Ly9pbWctbXkuY3Nkbi5uZXQvdXBsb2Fkcy8yMDEyMTAvMjUvMTM1MTE1OTQ2NF83ODE0LnBuZw?x-oss-process=image\/format,png\" alt=\"\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">&nbsp;<\/h2>\n\n\n\n<h1 class=\"wp-block-heading\">&nbsp;1. linux\u5185\u6838<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;Linux\u5185\u6838\u662f\u4e16\u754c\u4e0a\u6700\u5927\u7684\u5f00\u6e90\u9879\u76ee\u4e4b\u4e00,\u5185\u6838\u662f\u4e0e\u8ba1\u7b97\u673a\u786c\u4ef6\u63a5\u53e3\u7684\u6613\u66ff\u6362\u8f6f\u4ef6\u7684\u6700\u4f4e\u7ea7\u522b\u3002\u5b83\u8d1f\u8d23\u5c06\u6240\u6709\u4ee5\u201c\u7528\u6237\u6a21\u5f0f\u201d\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\u5230\u7269\u7406\u786c\u4ef6\uff0c\u5e76\u5141\u8bb8\u79f0\u4e3a\u670d\u52a1\u5668\u7684\u8fdb\u7a0b\u4f7f\u7528\u8fdb\u7a0b\u95f4\u901a\u4fe1(IPC)\u5f7c\u6b64\u83b7\u53d6\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u5185\u6838\u662f\u64cd\u4f5c\u7cfb\u7edf\u7684\u6838\u5fc3\uff0c\u5177\u6709\u5f88\u591a\u6700\u57fa\u672c\u529f\u80fd\uff0c\u5b83\u8d1f\u8d23\u7ba1\u7406\u7cfb\u7edf\u7684\u8fdb\u7a0b\u3001<a href=\"http:\/\/product.yesky.com\/catalog\/219\/\" target=\"_blank\"  rel=\"nofollow\" >\u5185\u5b58<\/a>\u3001\u8bbe\u5907<a href=\"http:\/\/drivers.yesky.com\/\" target=\"_blank\"  rel=\"nofollow\" >\u9a71\u52a8<\/a>\u7a0b\u5e8f\u3001\u6587\u4ef6\u548c<a href=\"http:\/\/product.yesky.com\/net\/\" target=\"_blank\"  rel=\"nofollow\" >\u7f51\u7edc<\/a>\u7cfb\u7edf\uff0c\u51b3\u5b9a\u7740\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<p>&nbsp; &nbsp; &nbsp; &nbsp;Linux \u5185\u6838\u7531\u5982\u4e0b\u51e0\u90e8\u5206\u7ec4\u6210\uff1a\u5185\u5b58\u7ba1\u7406\u3001\u8fdb\u7a0b\u7ba1\u7406\u3001\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u3001\u6587\u4ef6\u7cfb\u7edf\u548c\u7f51\u7edc\u7ba1\u7406\u7b49\u3002\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/imgconvert.csdnimg.cn\/aHR0cHM6Ly9pbWctbXkuY3Nkbi5uZXQvdXBsb2Fkcy8yMDEyMTAvMjUvMTM1MTE1OTYxNF8xNzAyLmpwZw?x-oss-process=image\/format,png\" alt=\"\"\/><\/figure>\n\n\n\n<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\u56fe1<\/p>\n\n\n\n<p>&nbsp; &nbsp;<strong>&nbsp;\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3\uff1a<\/strong>SCI \u5c42\u63d0\u4f9b\u4e86\u67d0\u4e9b\u673a\u5236\u6267\u884c\u4ece\u7528\u6237\u7a7a\u95f4\u5230\u5185\u6838\u7684\u51fd\u6570\u8c03\u7528\u3002\u8fd9\u4e2a\u63a5\u53e3\u4f9d\u8d56\u4e8e\u4f53\u7cfb\u7ed3\u6784\uff0c\u751a\u81f3\u5728\u76f8\u540c\u7684\u5904\u7406\u5668\u5bb6\u65cf\u5185\u4e5f\u662f\u5982\u6b64\u3002SCI \u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u51fd\u6570\u8c03\u7528\u591a\u8def\u590d\u7528\u548c\u591a\u8def\u5206\u89e3\u670d\u52a1\u3002\u5728 .\/linux\/kernel \u4e2d\u60a8\u53ef\u4ee5\u627e\u5230 SCI \u7684\u5b9e\u73b0\uff0c\u5e76\u5728 .\/linux\/arch \u4e2d\u627e\u5230\u4f9d\u8d56\u4e8e\u4f53\u7cfb\u7ed3\u6784\u7684\u90e8\u5206\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">&nbsp; &nbsp;<strong>1.&nbsp;\u5185\u5b58\u7ba1\u7406&nbsp;<\/strong><\/h3>\n\n\n\n<p>&nbsp; &nbsp; &nbsp; &nbsp; \u5bf9\u4efb\u4f55\u4e00\u53f0\u8ba1\u7b97\u673a\u800c\u8a00\uff0c\u5176\u5185\u5b58\u4ee5\u53ca\u5176\u5b83\u8d44\u6e90\u90fd\u662f\u6709\u9650\u7684\u3002\u4e3a\u4e86\u8ba9\u6709\u9650\u7684\u7269\u7406\u5185\u5b58\u6ee1\u8db3\u5e94\u7528\u7a0b\u5e8f\u5bf9\u5185\u5b58\u7684\u5927\u9700\u6c42\u91cf\uff0cLinux &nbsp;\u91c7\u7528\u4e86\u79f0\u4e3a\u201c\u865a\u62df\u5185\u5b58\u201d\u7684\u5185\u5b58\u7ba1\u7406\u65b9\u5f0f\u3002Linux &nbsp;\u5c06\u5185\u5b58\u5212\u5206\u4e3a\u5bb9\u6613\u5904\u7406\u7684\u201c\u5185\u5b58\u9875\u201d\uff08\u5bf9\u4e8e\u5927\u90e8\u5206\u4f53\u7cfb\u7ed3\u6784\u6765\u8bf4\u90fd\u662f 4KB\uff09\u3002Linux \u5305\u62ec\u4e86\u7ba1\u7406\u53ef\u7528\u5185\u5b58\u7684\u65b9\u5f0f\uff0c\u4ee5\u53ca\u7269\u7406\u548c\u865a\u62df\u6620\u5c04\u6240\u4f7f\u7528\u7684\u786c\u4ef6\u673a\u5236\u3002<\/p>\n\n\n\n<p>\u3000 &nbsp; &nbsp;\u4e0d\u8fc7\u5185\u5b58\u7ba1\u7406\u8981\u7ba1\u7406\u7684\u53ef\u4e0d\u6b62 4KB \u7f13\u51b2\u533a\u3002Linux \u63d0\u4f9b\u4e86\u5bf9 4KB \u7f13\u51b2\u533a\u7684\u62bd\u8c61\uff0c\u4f8b\u5982 slab \u5206\u914d\u5668\u3002\u8fd9\u79cd\u5185\u5b58\u7ba1\u7406\u6a21\u5f0f\u4f7f\u7528 4KB \u7f13\u51b2\u533a\u4e3a\u57fa\u6570\uff0c\u7136\u540e\u4ece\u4e2d\u5206\u914d\u7ed3\u6784\uff0c\u5e76\u8ddf\u8e2a\u5185\u5b58\u9875\u4f7f\u7528\u60c5\u51b5\uff0c\u6bd4\u5982\u54ea\u4e9b\u5185\u5b58\u9875\u662f\u6ee1\u7684\uff0c\u54ea\u4e9b\u9875\u9762\u6ca1\u6709\u5b8c\u5168\u4f7f\u7528\uff0c\u54ea\u4e9b\u9875\u9762\u4e3a\u7a7a\u3002\u8fd9\u6837\u5c31\u5141\u8bb8\u8be5\u6a21\u5f0f\u6839\u636e\u7cfb\u7edf\u9700\u8981\u6765\u52a8\u6001\u8c03\u6574\u5185\u5b58\u4f7f\u7528\u3002<br>\u3000\u3000 \u4e3a\u4e86\u652f\u6301\u591a\u4e2a\u7528\u6237\u4f7f\u7528\u5185\u5b58\uff0c\u6709\u65f6\u4f1a\u51fa\u73b0\u53ef\u7528\u5185\u5b58\u88ab\u6d88\u8017\u5149\u7684\u60c5\u51b5\u3002\u7531\u4e8e\u8fd9\u4e2a\u539f\u56e0\uff0c\u9875\u9762\u53ef\u4ee5\u79fb\u51fa\u5185\u5b58\u5e76\u653e\u5165\u78c1\u76d8\u4e2d\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u79f0\u4e3a\u4ea4\u6362\uff0c\u56e0\u4e3a\u9875\u9762\u4f1a\u88ab\u4ece\u5185\u5b58\u4ea4\u6362\u5230\u786c\u76d8\u4e0a\u3002\u5185\u5b58\u7ba1\u7406\u7684\u6e90\u4ee3\u7801\u53ef\u4ee5\u5728 .\/linux\/mm \u4e2d\u627e\u5230\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">&nbsp; &nbsp;<strong>&nbsp;2 .\u8fdb\u7a0b\u7ba1\u7406<\/strong><\/h3>\n\n\n\n<p><strong>&nbsp; &nbsp; &nbsp; &nbsp;\u8fdb\u7a0b\u5b9e\u9645\u662f\u67d0\u7279\u5b9a\u5e94\u7528\u7a0b\u5e8f\u7684\u4e00\u4e2a\u8fd0\u884c\u5b9e\u4f53<\/strong>\u3002\u5728 Linux &nbsp;\u7cfb\u7edf\u4e2d\uff0c\u80fd\u591f\u540c\u65f6\u8fd0\u884c\u591a\u4e2a\u8fdb\u7a0b\uff0cLinux &nbsp;\u901a\u8fc7\u5728\u77ed\u7684\u65f6\u95f4\u95f4\u9694\u5185\u8f6e\u6d41\u8fd0\u884c\u8fd9\u4e9b\u8fdb\u7a0b\u800c\u5b9e\u73b0\u201c\u591a\u4efb\u52a1\u201d\u3002\u8fd9\u4e00\u77ed\u7684\u65f6\u95f4\u95f4\u9694\u79f0\u4e3a\u201c\u65f6\u95f4\u7247\u201d\uff0c\u8ba9\u8fdb\u7a0b\u8f6e\u6d41\u8fd0\u884c\u7684\u65b9\u6cd5\u79f0\u4e3a\u201c\u8fdb\u7a0b\u8c03\u5ea6\u201d \uff0c\u5b8c\u6210\u8c03\u5ea6\u7684\u7a0b\u5e8f\u79f0\u4e3a\u8c03\u5ea6\u7a0b\u5e8f\u3002<\/p>\n\n\n\n<p>&nbsp; &nbsp; &nbsp; &nbsp;<strong>\u8fdb\u7a0b\u8c03\u5ea6<\/strong>\u63a7\u5236\u8fdb\u7a0b\u5bf9CPU\u7684\u8bbf\u95ee\u3002\u5f53\u9700\u8981\u9009\u62e9\u4e0b\u4e00\u4e2a\u8fdb\u7a0b\u8fd0\u884c\u65f6\uff0c\u7531\u8c03\u5ea6\u7a0b\u5e8f\u9009\u62e9\u6700\u503c\u5f97\u8fd0\u884c\u7684\u8fdb\u7a0b\u3002\u53ef\u8fd0\u884c\u8fdb\u7a0b\u5b9e\u9645\u4e0a\u662f\u4ec5\u7b49\u5f85CPU\u8d44\u6e90\u7684\u8fdb\u7a0b\uff0c\u5982\u679c\u67d0\u4e2a\u8fdb\u7a0b\u5728\u7b49\u5f85\u5176\u5b83\u8d44\u6e90\uff0c\u5219\u8be5\u8fdb\u7a0b\u662f\u4e0d\u53ef\u8fd0\u884c\u8fdb\u7a0b\u3002Linux\u4f7f\u7528\u4e86\u6bd4\u8f83\u7b80\u5355\u7684\u57fa\u4e8e\u4f18\u5148\u7ea7\u7684\u8fdb\u7a0b\u8c03\u5ea6\u7b97\u6cd5\u9009\u62e9\u65b0\u7684\u8fdb\u7a0b\u3002&nbsp;<\/p>\n\n\n\n<p>&nbsp; &nbsp; &nbsp; &nbsp; \u901a\u8fc7\u591a\u4efb\u52a1\u673a\u5236\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u53ef\u8ba4\u4e3a\u53ea\u6709\u81ea\u5df1\u72ec\u5360\u8ba1\u7b97\u673a\uff0c\u4ece\u800c\u7b80\u5316\u7a0b\u5e8f\u7684\u7f16\u5199\u3002\u6bcf\u4e2a\u8fdb\u7a0b\u6709\u81ea\u5df1\u5355\u72ec\u7684\u5730\u5740\u7a7a\u95f4\uff0c\u5e76\u4e14\u53ea\u80fd\u7531\u8fd9\u4e00\u8fdb\u7a0b\u8bbf\u95ee\uff0c\u8fd9\u6837\uff0c\u64cd\u4f5c\u7cfb\u7edf\u907f\u514d\u4e86\u8fdb\u7a0b\u4e4b\u95f4\u7684\u4e92\u76f8\u5e72\u6270\u4ee5\u53ca\u201c\u574f\u201d\u7a0b\u5e8f\u5bf9\u7cfb\u7edf\u53ef\u80fd\u9020\u6210\u7684\u5371\u5bb3\u3002&nbsp;\u4e3a\u4e86\u5b8c\u6210\u67d0\u7279\u5b9a\u4efb\u52a1\uff0c\u6709\u65f6\u9700\u8981\u7efc\u5408\u4e24\u4e2a\u7a0b\u5e8f\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u4e00\u4e2a\u7a0b\u5e8f\u8f93\u51fa\u6587\u672c\uff0c\u800c\u53e6\u4e00\u4e2a\u7a0b\u5e8f\u5bf9\u6587\u672c\u8fdb\u884c\u6392\u5e8f\u3002\u4e3a\u6b64\uff0c\u64cd\u4f5c\u7cfb\u7edf\u8fd8\u63d0\u4f9b\u8fdb\u7a0b\u95f4\u7684\u901a\u8baf\u673a\u5236\u6765\u5e2e\u52a9\u5b8c\u6210\u8fd9\u6837\u7684\u4efb\u52a1\u3002Linux \u4e2d\u5e38\u89c1\u7684\u8fdb\u7a0b\u95f4\u901a\u8baf\u673a\u5236\u6709\u4fe1\u53f7\u3001\u7ba1\u9053\u3001\u5171\u4eab\u5185\u5b58\u3001\u4fe1\u53f7\u91cf\u548c\u5957\u63a5\u5b57\u7b49\u3002&nbsp;<\/p>\n\n\n\n<p>&nbsp; &nbsp; &nbsp; &nbsp;\u5185\u6838\u901a\u8fc7 SCI \u63d0\u4f9b\u4e86\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7f16\u7a0b\u63a5\u53e3\uff08API\uff09\u6765\u521b\u5efa\u4e00\u4e2a\u65b0\u8fdb\u7a0b\uff08fork\u3001exec \u6216 Portable Operating System Interface [POS\u2168] \u51fd\u6570\uff09\uff0c\u505c\u6b62\u8fdb\u7a0b\uff08kill\u3001exit\uff09\uff0c\u5e76\u5728\u5b83\u4eec\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u548c\u540c\u6b65\uff08signal \u6216\u8005 POS\u2168 \u673a\u5236\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">&nbsp; &nbsp;<strong>&nbsp;3. \u6587\u4ef6\u7cfb\u7edf&nbsp;<\/strong><\/h3>\n\n\n\n<p>&nbsp; &nbsp; &nbsp; &nbsp;\u548c DOS \u7b49\u64cd\u4f5c\u7cfb\u7edf\u4e0d\u540c\uff0cLinux \u64cd\u4f5c\u7cfb\u7edf\u4e2d\u5355\u72ec\u7684\u6587\u4ef6\u7cfb\u7edf\u5e76\u4e0d\u662f\u7531\u9a71\u52a8\u5668\u53f7\u6216\u9a71\u52a8\u5668\u540d\u79f0\uff08\u5982 A: &nbsp;\u6216 C: &nbsp;\u7b49\uff09\u6765\u6807\u8bc6\u7684\u3002\u76f8\u53cd\uff0c\u548c UNIX &nbsp;\u64cd\u4f5c\u7cfb\u7edf\u4e00\u6837\uff0cLinux \u64cd\u4f5c\u7cfb\u7edf\u5c06\u72ec\u7acb\u7684\u6587\u4ef6\u7cfb\u7edf\u7ec4\u5408\u6210\u4e86\u4e00\u4e2a\u5c42\u6b21\u5316\u7684\u6811\u5f62\u7ed3\u6784\uff0c\u5e76\u4e14\u7531\u4e00\u4e2a\u5355\u72ec\u7684\u5b9e\u4f53\u4ee3\u8868\u8fd9\u4e00\u6587\u4ef6\u7cfb\u7edf\u3002Linux &nbsp;\u5c06\u65b0\u7684\u6587\u4ef6\u7cfb\u7edf\u901a\u8fc7\u4e00\u4e2a\u79f0\u4e3a\u201c\u6302\u88c5\u201d\u6216\u201c\u6302\u4e0a\u201d\u7684\u64cd\u4f5c\u5c06\u5176\u6302\u88c5\u5230\u67d0\u4e2a\u76ee\u5f55\u4e0a\uff0c\u4ece\u800c\u8ba9\u4e0d\u540c\u7684\u6587\u4ef6\u7cfb\u7edf\u7ed3\u5408\u6210\u4e3a\u4e00\u4e2a\u6574\u4f53\u3002Linux &nbsp;\u64cd\u4f5c\u7cfb\u7edf\u7684\u4e00\u4e2a\u91cd\u8981\u7279\u70b9\u662f\u5b83\u652f\u6301\u8bb8\u591a\u4e0d\u540c\u7c7b\u578b\u7684\u6587\u4ef6\u7cfb\u7edf\u3002Linux \u4e2d\u6700\u666e\u904d\u4f7f\u7528\u7684\u6587\u4ef6\u7cfb\u7edf\u662f Ext2\uff0c\u5b83\u4e5f\u662f Linux &nbsp;\u571f\u751f\u571f\u957f\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u4f46 Linux &nbsp;\u4e5f\u80fd\u591f\u652f\u6301 FAT\u3001VFAT\u3001FAT32\u3001MINIX \u7b49\u4e0d\u540c\u7c7b\u578b\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u4ece\u800c\u53ef\u4ee5\u65b9\u4fbf\u5730\u548c\u5176\u5b83\u64cd\u4f5c\u7cfb\u7edf\u4ea4\u6362\u6570\u636e\u3002\u7531\u4e8e Linux &nbsp;\u652f\u6301\u8bb8\u591a\u4e0d\u540c\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u5e76\u4e14\u5c06\u5b83\u4eec\u7ec4\u7ec7\u6210\u4e86\u4e00\u4e2a\u7edf\u4e00\u7684\u865a\u62df\u6587\u4ef6\u7cfb\u7edf.<\/p>\n\n\n\n<p>&nbsp; &nbsp; <strong>&nbsp; &nbsp;\u865a\u62df\u6587\u4ef6\u7cfb\u7edf\uff08VirtualFileSystem,VFS\uff09:<\/strong>\u9690\u85cf\u4e86\u5404\u79cd\u786c\u4ef6\u7684\u5177\u4f53\u7ec6\u8282\uff0c\u628a\u6587\u4ef6\u7cfb\u7edf\u64cd\u4f5c\u548c\u4e0d\u540c\u6587\u4ef6\u7cfb\u7edf\u7684\u5177\u4f53\u5b9e\u73b0\u7ec6\u8282\u5206\u79bb\u4e86\u5f00\u6765\uff0c\u4e3a\u6240\u6709\u7684\u8bbe\u5907\u63d0\u4f9b\u4e86\u7edf\u4e00\u7684\u63a5\u53e3\uff0cVFS\u63d0\u4f9b\u4e86\u591a\u8fbe\u6570\u5341\u79cd\u4e0d\u540c\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u865a\u62df\u6587\u4ef6\u7cfb\u7edf\u53ef\u4ee5\u5206\u4e3a\u903b\u8f91\u6587\u4ef6\u7cfb\u7edf\u548c\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u3002\u903b\u8f91\u6587\u4ef6\u7cfb\u7edf\u6307Linux\u6240\u652f\u6301\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u5982ext2,fat\u7b49\uff0c\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u6307\u4e3a\u6bcf\u4e00\u79cd\u786c\u4ef6\u63a7\u5236\u5668\u6240\u7f16\u5199\u7684\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u6a21\u5757\u3002&nbsp;<\/p>\n\n\n\n<p>&nbsp; &nbsp; &nbsp; &nbsp;\u865a\u62df\u6587\u4ef6\u7cfb\u7edf\uff08VFS\uff09\u662f Linux \u5185\u6838\u4e2d\u975e\u5e38\u6709\u7528\u7684\u4e00\u4e2a\u65b9\u9762\uff0c\u56e0\u4e3a\u5b83\u4e3a\u6587\u4ef6\u7cfb\u7edf\u63d0\u4f9b\u4e86\u4e00\u4e2a\u901a\u7528\u7684\u63a5\u53e3\u62bd\u8c61\u3002VFS \u5728 SCI \u548c\u5185\u6838\u6240\u652f\u6301\u7684\u6587\u4ef6\u7cfb\u7edf\u4e4b\u95f4\u63d0\u4f9b\u4e86\u4e00\u4e2a\u4ea4\u6362\u5c42\u3002\u5373VFS \u5728\u7528\u6237\u548c\u6587\u4ef6\u7cfb\u7edf\u4e4b\u95f4\u63d0\u4f9b\u4e86\u4e00\u4e2a\u4ea4\u6362\u5c42\u3002<\/p>\n\n\n\n<p>VFS &nbsp; &nbsp; &nbsp; &nbsp; \u5728\u7528\u6237\u548c\u6587\u4ef6\u7cfb\u7edf\u4e4b\u95f4\u63d0\u4f9b\u4e86\u4e00\u4e2a\u4ea4\u6362\u5c42:<\/p>\n\n\n\n<p>&nbsp; &nbsp; &nbsp; &nbsp;<img decoding=\"async\" alt=\"\" src=\"https:\/\/img-blog.csdn.net\/20160518101853198\"><br>\u3000\u3000\u5728 VFS \u4e0a\u9762\uff0c\u662f\u5bf9\u8bf8\u5982 open\u3001close\u3001read \u548c write \u4e4b\u7c7b\u7684\u51fd\u6570\u7684\u4e00\u4e2a\u901a\u7528 API \u62bd\u8c61\u3002\u5728 VFS \u4e0b\u9762\u662f\u6587\u4ef6\u7cfb\u7edf\u62bd\u8c61\uff0c\u5b83\u5b9a\u4e49\u4e86\u4e0a\u5c42\u51fd\u6570\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002\u5b83\u4eec\u662f\u7ed9\u5b9a\u6587\u4ef6\u7cfb\u7edf\uff08\u8d85\u8fc7 50 \u4e2a\uff09\u7684\u63d2\u4ef6\u3002\u6587\u4ef6\u7cfb\u7edf\u7684\u6e90\u4ee3\u7801\u53ef\u4ee5\u5728 .\/linux\/fs \u4e2d\u627e\u5230\u3002<br>\u3000\u3000\u6587\u4ef6\u7cfb\u7edf\u5c42\u4e4b\u4e0b\u662f\u7f13\u51b2\u533a\u7f13\u5b58\uff0c\u5b83\u4e3a\u6587\u4ef6\u7cfb\u7edf\u5c42\u63d0\u4f9b\u4e86\u4e00\u4e2a\u901a\u7528\u51fd\u6570\u96c6\uff08\u4e0e\u5177\u4f53\u6587\u4ef6\u7cfb\u7edf\u65e0\u5173\uff09\u3002\u8fd9\u4e2a\u7f13\u5b58\u5c42\u901a\u8fc7\u5c06\u6570\u636e\u4fdd\u7559\u4e00\u6bb5\u65f6\u95f4\uff08\u6216\u8005\u968f\u5373\u9884\u5148\u8bfb\u53d6\u6570\u636e\u4ee5\u4fbf\u5728\u9700\u8981\u662f\u5c31\u53ef\u7528\uff09\u4f18\u5316\u4e86\u5bf9\u7269\u7406\u8bbe\u5907\u7684\u8bbf\u95ee\u3002\u7f13\u51b2\u533a\u7f13\u5b58\u4e4b\u4e0b\u662f\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\uff0c\u5b83\u5b9e\u73b0\u4e86\u7279\u5b9a\u7269\u7406\u8bbe\u5907\u7684\u63a5\u53e3\u3002<br>&nbsp; &nbsp; &nbsp; \u56e0\u6b64\uff0c\u7528\u6237\u548c\u8fdb\u7a0b\u4e0d\u9700\u8981\u77e5\u9053\u6587\u4ef6\u6240\u5728\u7684\u6587\u4ef6\u7cfb\u7edf\u7c7b\u578b\uff0c\u800c\u53ea\u9700\u8981\u8c61\u4f7f\u7528 Ext2 &nbsp;\u6587\u4ef6\u7cfb\u7edf\u4e2d\u7684\u6587\u4ef6\u4e00\u6837\u4f7f\u7528\u5b83\u4eec\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">&nbsp; &nbsp;<strong>&nbsp;&nbsp;4. \u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f&nbsp;<\/strong><\/h3>\n\n\n\n<p>&nbsp; &nbsp; &nbsp; \u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u662f Linux &nbsp;\u5185\u6838\u7684\u4e3b\u8981\u90e8\u5206\u3002\u548c\u64cd\u4f5c\u7cfb\u7edf\u7684\u5176\u5b83\u90e8\u5206\u7c7b\u4f3c\uff0c\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u8fd0\u884c\u5728\u9ad8\u7279\u6743\u7ea7\u7684\u5904\u7406\u5668\u73af\u5883\u4e2d\uff0c\u4ece\u800c\u53ef\u4ee5\u76f4\u63a5\u5bf9\u786c\u4ef6\u8fdb\u884c\u64cd\u4f5c\uff0c\u4f46\u6b63\u56e0\u4e3a\u5982\u6b64\uff0c\u4efb\u4f55\u4e00\u4e2a\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u7684\u9519\u8bef\u90fd\u53ef\u80fd\u5bfc\u81f4\u64cd\u4f5c\u7cfb\u7edf\u7684\u5d29\u6e83\u3002\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u5b9e\u9645\u63a7\u5236\u64cd\u4f5c\u7cfb\u7edf\u548c\u786c\u4ef6\u8bbe\u5907\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u63d0\u4f9b\u4e00\u7ec4\u64cd\u4f5c\u7cfb\u7edf\u53ef\u7406\u89e3\u7684\u62bd\u8c61\u63a5\u53e3\u5b8c\u6210\u548c\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u95f4\u7684\u4ea4\u4e92\uff0c\u800c\u4e0e\u786c\u4ef6\u76f8\u5173\u7684\u5177\u4f53\u64cd\u4f5c\u7ec6\u8282\u7531\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u5b8c\u6210\u3002\u4e00\u822c\u800c\u8a00\uff0c\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u548c\u8bbe\u5907<br>\u7684\u63a7\u5236\u82af\u7247\u6709\u5173\uff0c\u4f8b\u5982\uff0c\u5982\u679c\u8ba1\u7b97\u673a\u786c\u76d8\u662f SCSI &nbsp;\u786c\u76d8\uff0c\u5219\u9700\u8981\u4f7f\u7528 SCSI &nbsp;\u9a71\u52a8\u7a0b\u5e8f\uff0c\u800c\u4e0d\u662f IDE \u9a71\u52a8\u7a0b\u5e8f\u3002&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">&nbsp; &nbsp;<strong>&nbsp;5.\u7f51\u7edc\u63a5\u53e3\uff08NET\uff09&nbsp; &nbsp;<\/strong><\/h3>\n\n\n\n<p>&nbsp; &nbsp; &nbsp; &nbsp;\u63d0\u4f9b\u4e86\u5bf9\u5404\u79cd\u7f51\u7edc\u6807\u51c6\u7684\u5b58\u53d6\u548c\u5404\u79cd\u7f51\u7edc\u786c\u4ef6\u7684\u652f\u6301\u3002\u7f51\u7edc\u63a5\u53e3\u53ef\u5206\u4e3a\u7f51\u7edc\u534f\u8bae\u548c\u7f51\u7edc\u9a71\u52a8\u7a0b\u5e8f\u3002\u7f51\u7edc\u534f\u8bae\u90e8\u5206\u8d1f\u8d23\u5b9e\u73b0\u6bcf\u4e00\u79cd\u53ef\u80fd\u7684\u7f51\u7edc\u4f20\u8f93\u534f\u8bae\u3002\u4f17\u6240\u5468\u77e5\uff0cTCP\/IP &nbsp;\u534f\u8bae\u662f Internet &nbsp;\u7684\u6807\u51c6\u534f\u8bae\uff0c\u540c\u65f6\u4e5f\u662f\u4e8b\u5b9e\u4e0a\u7684\u5de5\u4e1a\u6807\u51c6\u3002Linux &nbsp;\u7684\u7f51\u7edc\u5b9e\u73b0\u652f\u6301 BSD \u5957\u63a5\u5b57\uff0c\u652f\u6301\u5168\u90e8\u7684TCP\/IP\u534f\u8bae\u3002Linux\u5185\u6838\u7684\u7f51\u7edc\u90e8\u5206\u7531BSD\u5957\u63a5\u5b57\u3001\u7f51\u7edc\u534f\u8bae\u5c42\u548c\u7f51\u7edc\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u7ec4\u6210\u3002&nbsp;<br>&nbsp; &nbsp; \u7f51\u7edc\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u8d1f\u8d23\u4e0e\u786c\u4ef6\u8bbe\u5907\u901a\u8baf\uff0c\u6bcf\u4e00\u79cd\u53ef\u80fd\u7684\u786c\u4ef6\u8bbe\u5907\u90fd\u6709\u76f8\u5e94\u7684\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">&nbsp;2 . linux shell<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>shell\u662f\u7cfb\u7edf\u7684\u7528\u6237\u754c\u9762\uff0c\u63d0\u4f9b\u4e86\u7528\u6237\u4e0e\u5185\u6838\u8fdb\u884c\u4ea4\u4e92\u64cd\u4f5c\u7684\u4e00\u79cd\u63a5\u53e3\u3002\u5b83\u63a5\u6536\u7528\u6237\u8f93\u5165\u7684\u547d\u4ee4\u5e76\u628a\u5b83\u9001\u5165\u5185\u6838\u53bb\u6267\u884c\uff0c\u662f\u4e00\u4e2a\u547d\u4ee4\u89e3\u91ca\u5668\u3002\u53e6\u5916\uff0cshell\u7f16\u7a0b\u8bed\u8a00\u5177\u6709\u666e\u901a\u7f16\u7a0b\u8bed\u8a00\u7684\u5f88\u591a\u7279\u70b9\uff0c\u7528\u8fd9\u79cd\u7f16\u7a0b\u8bed\u8a00\u7f16\u5199\u7684shell\u7a0b\u5e8f\u4e0e\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u5177\u6709\u540c\u6837\u7684\u6548\u679c\u3002<br>\u76ee\u524d\u4e3b\u8981\u6709\u4e0b\u5217\u7248\u672c\u7684shell\u3002<br>1\uff0eBourne Shell\uff1a\u662f\u8d1d\u5c14\u5b9e\u9a8c\u5ba4\u5f00\u53d1\u7684\u3002 \u3000<br>2\uff0eBASH\uff1a\u662fGNU\u7684Bourne Again Shell\uff0c\u662fGNU\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u9ed8\u8ba4\u7684shell,\u5927\u90e8\u5206linux\u7684\u53d1\u884c\u5957\u4ef6\u4f7f\u7528\u7684\u90fd\u662f\u8fd9\u79cdshell\u3002<br>3\uff0eKorn Shell\uff1a\u662f\u5bf9Bourne SHell\u7684\u53d1\u5c55\uff0c\u5728\u5927\u90e8\u5206\u5185\u5bb9\u4e0a\u4e0eBourne Shell\u517c\u5bb9\u3002 \u3000\u3000\u3000<\/p>\n\n\n\n<p>4\uff0eC Shell\uff1a\u662fSUN\u516c\u53f8Shell\u7684BSD\u7248\u672c\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><br>&nbsp;3 . linux \u6587\u4ef6\u7cfb\u7edf<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u5404\u64cd\u4f5c\u7cfb\u7edf\u4f7f\u7528\u7684\u6587\u4ef6\u7cfb\u7edf\u5e76\u4e0d\u76f8\u540c\uff0c\u4f8b\u5982\uff0cWindows 98 \u4ee5\u524d\u7684\u5fae\u8f6f\u64cd\u4f5c\u7cfb\u7edf\u4f7f\u7528 FAT\uff08FAT16\uff09\u6587\u4ef6\u7cfb\u7edf\uff0cWindows 2000 \u4ee5\u540e\u7684\u7248\u672c\u4f7f\u7528 NTFS \u6587\u4ef6\u7cfb\u7edf\uff0c\u800c&nbsp;<a href=\"http:\/\/c.biancheng.net\/linux_tutorial\/\" target=\"_blank\"  rel=\"nofollow\" >Linux<\/a>&nbsp;\u7684\u6b63\u7edf\u6587\u4ef6\u7cfb\u7edf\u662f Ext2\u3002<\/p><\/blockquote>\n\n\n\n<p>\u5728 CentOS 6.3 \u7cfb\u7edf\u4e2d\uff0c\u9ed8\u8ba4\u7684\u6587\u4ef6\u7cfb\u7edf\u662f Ext4\uff0c\u5b83\u662f Ext3\uff08Ext2\uff09 \u6587\u4ef6\u7cfb\u7edf\u7684\u5347\u7ea7\u7248\uff0c\u5728\u6027\u80fd\u3001\u4f38\u7f29\u6027\u548c\u53ef\u9760\u6027\u65b9\u9762\u8fdb\u884c\u4e86\u5927\u91cf\u6539\u8fdb\uff0c\u53d8\u5316\u53ef\u4ee5\u8bf4\u662f\u7ffb\u5929\u8986\u5730\u7684\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5411\u4e0b\u517c\u5bb9 Ext3\uff1b<\/li><li>\u6700\u5927 1EB \u6587\u4ef6\u7cfb\u7edf\u548c 16TB \u6587\u4ef6\uff1b<\/li><li>\u65e0\u9650\u6570\u91cf\u5b50\u76ee\u5f55\uff1b<\/li><li>Extents \u8fde\u7eed\u6570\u636e\u5757\u6982\u5ff5\uff1b<\/li><li>\u591a\u5757\u5206\u914d\u3001\u5ef6\u8fdf\u5206\u914d\u3001\u6301\u4e45\u9884\u5206\u914d\uff1b<\/li><li>\u5feb\u901f FSCK\u3001\u65e5\u5fd7\u6821\u9a8c\u3001\u65e0\u65e5\u5fd7\u6a21\u5f0f\u3001\u5728\u7ebf\u788e\u7247\u6574\u7406\u3001inode \u589e\u5f3a\u3001\u9ed8\u8ba4\u542f\u7528 barrier \u7b49\uff1b<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Linux\u652f\u6301\u7684\u5e38\u89c1\u6587\u4ef6\u7cfb\u7edf<\/h2>\n\n\n\n<p>Linux \u7cfb\u7edf\u80fd\u591f\u652f\u6301\u7684\u6587\u4ef6\u7cfb\u7edf\u975e\u5e38\u591a\uff0c\u9664 Linux \u9ed8\u8ba4\u6587\u4ef6\u7cfb\u7edf Ext2\u3001Ext3 \u548c Ext4 \u4e4b\u5916\uff0c\u8fd8\u80fd\u652f\u6301 fat16\u3001fat32\u3001NTFS\uff08\u9700\u8981\u91cd\u65b0\u7f16\u8bd1\u5185\u6838\uff09\u7b49 Windows \u6587\u4ef6\u7cfb\u7edf\u3002\u4e5f\u5c31\u662f\u8bf4\uff0cLinux \u53ef\u4ee5\u901a\u8fc7\u6302\u8f7d\u7684\u65b9\u5f0f\u4f7f\u7528 Windows \u6587\u4ef6\u7cfb\u7edf\u4e2d\u7684\u6570\u636e\u3002Linux \u6240\u80fd\u591f\u652f\u6301\u7684\u6587\u4ef6\u7cfb\u7edf\u5728 \"\/usr\/src\/kemels\/\u5f53\u524d\u7cfb\u7edf\u7248\u672c\/fs\" \u76ee\u5f55\u4e2d\uff08\u9700\u8981\u5728\u5b89\u88c5\u65f6\u9009\u62e9\uff09\uff0c\u8be5\u76ee\u5f55\u4e2d\u7684\u6bcf\u4e2a\u5b50\u76ee\u5f55\u90fd\u662f\u4e00\u4e2a\u53ef\u4ee5\u8bc6\u522b\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u6211\u4eec\u4ecb\u7ecd\u8f83\u4e3a\u5e38\u89c1\u7684 Linux \u652f\u6301\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u5982\u8868 1 \u6240\u793a\u3002<br>&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th>\u6587\u4ef6\u7cfb\u7edf<\/th><th>\u63cf&nbsp;\u8ff0<\/th><\/tr><tr><td>Ext<\/td><td>Linux \u4e2d\u6700\u65e9\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u7531\u4e8e\u5728\u6027\u80fd\u548c\u517c\u5bb9\u6027\u4e0a\u5177\u6709\u5f88\u591a\u7f3a\u9677\uff0c\u73b0\u5728\u5df2\u7ecf\u5f88\u5c11\u4f7f\u7528<\/td><\/tr><tr><td>Ext2<\/td><td>\u662f Ext \u6587\u4ef6\u7cfb\u7edf\u7684\u5347\u7ea7\u7248\u672c\uff0cRed Hat Linux 7.2 \u7248\u672c\u4ee5\u524d\u7684\u7cfb\u7edf\u9ed8\u8ba4\u90fd\u662f Ext2 \u6587\u4ef6\u7cfb\u7edf\u3002\u4e8e 1993 \u5e74\u53d1\u5e03\uff0c\u652f\u6301\u6700\u5927 16TB \u7684\u5206\u533a\u548c\u6700\u5927 2TB \u7684\u6587\u4ef6\uff081TB=1024GB=1024x1024KB)<\/td><\/tr><tr><td>Ext3<\/td><td>\u662f Ext2 \u6587\u4ef6\u7cfb\u7edf\u7684\u5347\u7ea7\u7248\u672c\uff0c\u6700\u5927\u7684\u533a\u522b\u5c31\u662f\u5e26\u65e5\u5fd7\u529f\u80fd\uff0c\u4ee5\u4fbf\u5728\u7cfb\u7edf\u7a81\u7136\u505c\u6b62\u65f6\u63d0\u9ad8\u6587\u4ef6\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002\u652f\u6301\u6700\u5927 16TB \u7684\u5206\u533a\u548c\u6700\u5927 2TB \u7684\u6587\u4ef6<\/td><\/tr><tr><td>Ext4<\/td><td>\u662f Ext3 \u6587\u4ef6\u7cfb\u7edf\u7684\u5347\u7ea7\u7248\u3002Ext4 \u5728\u6027\u80fd\u3001\u4f38\u7f29\u6027\u548c\u53ef\u9760\u6027\u65b9\u9762\u8fdb\u884c\u4e86\u5927\u91cf\u6539\u8fdb\u3002Ext4 \u7684\u53d8\u5316\u53ef\u4ee5\u8bf4\u662f\u7ffb\u5929\u8986\u5730\u7684\uff0c\u6bd4\u5982\u5411\u4e0b\u517c\u5bb9 Ext3\u3001\u6700\u5927 1EB \u6587\u4ef6\u7cfb\u7edf\u548c 16TB \u6587\u4ef6\u3001\u65e0\u9650\u6570\u91cf\u5b50\u76ee\u5f55\u3001Extents \u8fde\u7eed\u6570\u636e\u5757 \u6982\u5ff5\u3001\u591a\u5757\u5206\u914d\u3001\u5ef6\u8fdf\u5206\u914d\u3001\u6301\u4e45\u9884\u5206\u914d\u3001\u5feb\u901f FSCK\u3001\u65e5\u5fd7\u6821\u9a8c\u3001\u65e0\u65e5\u5fd7\u6a21\u5f0f\u3001\u5728\u7ebf\u788e\u7247\u6574\u7406\u3001inode \u589e\u5f3a\u3001\u9ed8\u8ba4\u542f\u7528 barrier \u7b49\u3002\u5b83\u662f CentOS 6.3 \u7684\u9ed8\u8ba4\u6587\u4ef6\u7cfb\u7edf<\/td><\/tr><tr><td>swap<\/td><td>swap \u662f Linux \u4e2d\u7528\u4e8e\u4ea4\u6362\u5206\u533a\u7684\u6587\u4ef6\u7cfb\u7edf\uff08\u7c7b\u4f3c\u4e8e Windows \u4e2d\u7684\u865a\u62df\u5185\u5b58)\uff0c\u5f53\u5185\u5b58\u4e0d\u591f\u7528\u65f6\uff0c\u4f7f\u7528\u4ea4\u6362\u5206\u533a\u6682\u65f6\u66ff\u4ee3\u5185\u5b58\u3002\u4e00\u822c\u5927\u5c0f\u4e3a\u5185\u5b58\u7684 2 \u500d\uff0c\u4f46\u662f\u4e0d\u8981\u8d85\u8fc7 2GB\u3002\u5b83\u662f Linux \u7684\u5fc5\u9700\u5206\u533a<\/td><\/tr><tr><td>NFS<\/td><td>NFS \u662f\u7f51\u7edc\u6587\u4ef6\u7cfb\u7edf\uff08Network File System\uff09\u7684\u7f29\u5199\uff0c\u662f\u7528\u6765\u5b9e\u73b0\u4e0d\u540c\u4e3b\u673a\u4e4b\u95f4\u6587\u4ef6\u5171\u4eab\u7684\u4e00\u79cd\u7f51\u7edc\u670d\u52a1\uff0c\u672c\u5730\u4e3b\u673a\u53ef\u4ee5\u901a\u8fc7\u6302\u8f7d\u7684\u65b9\u5f0f\u4f7f\u7528\u8fdc\u7a0b\u5171\u4eab\u7684\u8d44\u6e90<\/td><\/tr><tr><td>iso9660<\/td><td>\u5149\u76d8\u7684\u6807\u51c6\u6587\u4ef6\u7cfb\u7edf\u3002Linux \u8981\u60f3\u4f7f\u7528\u5149\u76d8\uff0c\u5fc5\u987b\u652f\u6301 iso9660 \u6587\u4ef6\u7cfb\u7edf<\/td><\/tr><tr><td>fat<\/td><td>\u5c31\u662f Windows \u4e0b\u7684 fatl6 \u6587\u4ef6\u7cfb\u7edf\uff0c\u5728 Linux \u4e2d\u8bc6\u522b\u4e3a fat<\/td><\/tr><tr><td>vfat<\/td><td>\u5c31\u662f Windows \u4e0b\u7684 fat32 \u6587\u4ef6\u7cfb\u7edf\uff0c\u5728 Linux \u4e2d\u8bc6\u522b\u4e3a vfat\u3002\u652f\u6301\u6700\u5927 32GB \u7684\u5206\u533a\u548c\u6700\u5927 4GB \u7684\u6587\u4ef6<\/td><\/tr><tr><td>NTFS<\/td><td>\u5c31\u662f Windows \u4e0b\u7684 NTFS \u6587\u4ef6\u7cfb\u7edf\uff0c\u4e0d\u8fc7 Linux \u9ed8\u8ba4\u662f\u4e0d\u80fd\u8bc6\u522b NTFS \u6587\u4ef6\u7cfb\u7edf\u7684\uff0c\u5982\u679c\u9700\u8981\u8bc6\u522b\uff0c\u5219\u9700\u8981\u91cd\u65b0\u7f16\u8bd1\u5185\u6838\u624d\u80fd\u652f\u6301\u3002\u5b83\u6bd4 fat32 \u6587\u4ef6\u7cfb\u7edf\u66f4\u52a0\u5b89\u5168\uff0c\u901f\u5ea6\u66f4\u5feb\uff0c\u652f\u6301\u6700\u5927 2TB \u7684\u5206\u533a\u548c\u6700\u5927 64GB&nbsp;\u7684\u6587\u4ef6<\/td><\/tr><tr><td>ufs<\/td><td>Sun \u516c\u53f8\u7684\u64cd\u4f5c\u7cfb\u7edf Solaris \u548c SunOS \u6240\u91c7\u7528\u7684\u6587\u4ef6\u7cfb\u7edf<\/td><\/tr><tr><td>proc<\/td><td>Linux \u4e2d\u57fa\u4e8e\u5185\u5b58\u7684\u865a\u62df\u6587\u4ef6\u7cfb\u7edf\uff0c\u7528\u6765\u7ba1\u7406\u5185\u5b58\u5b58\u50a8\u76ee\u5f55 \/proc<\/td><\/tr><tr><td>sysfs<\/td><td>\u548c proc \u2014\u6837\uff0c\u4e5f\u662f\u57fa\u4e8e\u5185\u5b58\u7684\u865a\u62df\u6587\u4ef6\u7cfb\u7edf\uff0c\u7528\u6765\u7ba1\u7406\u5185\u5b58\u5b58\u50a8\u76ee\u5f55 \/sysfs<\/td><\/tr><tr><td>tmpfs<\/td><td>\u4e5f\u662f\u4e00\u79cd\u57fa\u4e8e\u5185\u5b58\u7684\u865a\u62df\u6587\u4ef6\u7cfb\u7edf\uff0c\u4e0d\u8fc7\u4e5f\u53ef\u4ee5\u4f7f\u7528 swap \u4ea4\u6362\u5206\u533a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/blog.csdn.net\/hguisu\/article\/details\/7401963\" target=\"_blank\"  rel=\"nofollow\" >\u6587\u4ef6\u7cfb\u7edf\u8be6\u89e3<\/a>\uff1a<a href=\"https:\/\/blog.csdn.net\/hguisu\/article\/details\/7401963\" target=\"_blank\"  rel=\"nofollow\" >https:\/\/blog.csdn.net\/hguisu\/article\/details\/7401963<\/a><\/h3>\n\n\n\n<h1 class=\"wp-block-heading\">4 . \u7528\u6237\u6001\u548c\u5185\u6838\u6001<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5e94\u7528\u7a0b\u5e8f\u662f\u65e0\u6cd5\u76f4\u63a5\u8bbf\u95ee\u786c\u4ef6\u8d44\u6e90\u7684\uff0c\u9700\u8981\u901a\u8fc7<strong>\u901a\u8fc7\u5185\u6838<\/strong>SCI \u5c42\u63d0\u4f9b\u7684\u63a5\u53e3\u6765\u8bbf\u95ee\u786c\u4ef6\u8d44\u6e90\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20191012111906866.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hndWlzdQ==,size_16,color_FFFFFF,t_70\" alt=\"\"\/><\/figure>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Linux\u7cfb\u7edf\u5c06\u81ea\u8eab\u5212\u5206\u4e3a\u4e24\u90e8\u5206\uff0c\u4e00\u90e8\u5206\u4e3a\u6838\u5fc3\u8f6f\u4ef6\uff0c\u5373\u662fkernel\uff0c\u4e5f\u79f0\u4f5c<a href=\"http:\/\/baike.baidu.com\/view\/4271323.htm\" target=\"_blank\"  rel=\"nofollow\" >\u5185\u6838\u7a7a\u95f4<\/a>\uff0c\u53e6\u4e00\u90e8\u5206\u4e3a\u666e\u901a\u5e94\u7528\u7a0b\u5e8f\uff0c\u8fd9\u90e8\u5206\u79f0\u4e3a\u7528\u6237\u7a7a\u95f4\u3002<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u533a\u5206\u7528\u6237\u7a7a\u95f4\u548c\u5185\u6838\u7a7a\u95f4\u7684\u76ee\u7684\u662f\u4e3a\u786e\u4fdd\u7cfb\u7edf\u5b89\u5168\u3002\u5728CPU\u7684\u6240\u6709\u6307\u4ee4\u4e2d\uff0c\u6709\u4e00\u4e9b\u6307\u4ee4\u662f\u975e\u5e38\u5371\u9669\u7684\uff0c\u5982\u679c\u9519\u7528\uff0c\u5c06\u5bfc\u81f4\u6574\u4e2a\u7cfb\u7edf\u5d29\u6e83\u3002\u6bd4\u5982\uff1a\u6e05\u5185\u5b58\u3001\u8bbe\u7f6e\u65f6\u949f\u7b49\u3002\u56e0\u4e3a\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u548c\u5185\u6838\u5728\u540c\u4e00\u4e2a\u4fdd\u62a4\u7ea7\u522b\uff0c\u90a3\u4e48\u5e94\u7528\u7a0b\u5e8f\u5c31\u6709\u53ef\u80fd\u6709\u610f\u6216\u8005\u4e0d\u5c0f\u5fc3\u8fdb\u5165\u4e86\u5185\u6838\u7a7a\u95f4\uff0c\u7834\u574f\u4e86\u5185\u6838\u7a7a\u95f4\u7684\u4ee3\u7801\u548c\u6570\u636e\uff0c\u7cfb\u7edf\u5d29\u6e83\u5c31\u4e0d\u8db3\u4e3a\u5947\u3002\u6240\u4ee5CPU\u5c06\u6307\u4ee4\u5206\u4e3a\u7279\u6743\u6307\u4ee4\u548c\u975e\u7279\u6743\u6307\u4ee4\uff0c\u5bf9\u4e8e\u90a3\u4e9b\u5371\u9669\u7684\u6307\u4ee4\uff0c\u53ea\u5141\u8bb8\u64cd\u4f5c\u7cfb\u7edf\u53ca\u5176\u76f8\u5173\u6a21\u5757\u4f7f\u7528\uff0c\u666e\u901a\u7684\u5e94\u7528\u7a0b\u5e8f\u53ea\u80fd\u4f7f\u7528\u90a3\u4e9b\u4e0d\u4f1a\u9020\u6210\u707e\u96be\u7684\u6307\u4ee4\u3002Intel\u7684CPU\u5c06\u7279\u6743\u7ea7\u522b\u5206\u4e3a4\u4e2a\u7ea7\u522b\uff1aRING0,RING1,RING2,RING3\uff0c \u5185\u6838\u7a7a\u95f4\u7ea7\u522b\u4e3a\u201cRING0\u201d\uff0c \u7528\u6237\u7a7a\u95f4\u7ea7\u522b\u4e3aRING3\u3002<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; linux\u7684\u5185\u6838\u662f\u4e00\u4e2a\u6709\u673a\u7684\u6574\u4f53\u3002\u6bcf\u4e00\u4e2a\u7528\u6237\u8fdb\u7a0b\u8fd0\u884c\u65f6\u90fd\u597d\u50cf\u6709\u4e00\u4efd\u5185\u6838\u7684\u62f7\u8d1d\uff0c\u6bcf\u5f53\u7528\u6237\u8fdb\u7a0b\u4f7f\u7528\u7cfb\u7edf\u8c03\u7528\u65f6\uff0c\u90fd\u81ea\u52a8\u5730\u5c06\u8fd0\u884c\u6a21\u5f0f\u4ece\u7528\u6237\u7ea7\u8f6c\u4e3a\u5185\u6838\u7ea7\uff0c\u6b64\u65f6\u8fdb\u7a0b\u5728\u5185\u6838\u7684\u5730\u5740\u7a7a\u95f4\u4e2d\u8fd0\u884c\u3002<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u5f53\u5e94\u7528\u7a0b\u5e8f\u8fdb\u7a0b\u6267\u884c\u7cfb\u7edf\u8c03\u7528\u800c\u9677\u5165\u5185\u6838\u4ee3\u7801\u4e2d\u6267\u884c\u65f6\uff0c\u6211\u4eec\u5c31\u79f0\u8fdb\u7a0b\u5904\u4e8e\u5185\u6838\u8fd0\u884c\u6001\uff08\u6216\u7b80\u79f0\u4e3a\u5185\u6838\u6001\uff09\u3002\u6b64\u65f6\u5904\u7406\u5668\u5904\u4e8e\u7279\u6743\u7ea7\u6700\u9ad8\u7684\uff08RING0\u7ea7\uff09\u5185\u6838\u4ee3\u7801\u4e2d\u6267\u884c\u3002\u5f53\u8fdb\u7a0b\u5904\u4e8e\u5185\u6838\u6001\u65f6\uff0c\u6267\u884c\u7684\u5185\u6838\u4ee3\u7801\u4f1a\u4f7f\u7528\u5f53\u524d\u8fdb\u7a0b\u7684\u5185\u6838\u6808\u3002\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u5185\u6838\u6808\u3002\u5f53\u8fdb\u7a0b\u5728\u6267\u884c\u7528\u6237\u81ea\u5df1\u7684\u4ee3\u7801\u65f6\uff0c\u5219\u79f0\u5176\u5904\u4e8e\u7528\u6237\u8fd0\u884c\u6001\uff08\u7528\u6237\u6001\uff09\u3002\u5373\u6b64\u65f6\u5904\u7406\u5668\u5728\u7279\u6743\u7ea7\u6700\u4f4e\u7684\uff08RING3\u7ea7\uff09\u7528\u6237\u4ee3\u7801\u4e2d\u8fd0\u884c\u3002\u5f53\u6b63\u5728\u6267\u884c\u7528\u6237\u7a0b\u5e8f\u800c\u7a81\u7136\u88ab\u4e2d\u65ad\u7a0b\u5e8f\u4e2d\u65ad\u65f6\uff0c\u6b64\u65f6\u7528\u6237\u7a0b\u5e8f\u4e5f\u53ef\u4ee5\u8c61\u5f81\u6027\u5730\u79f0\u4e3a\u5904\u4e8e\u8fdb\u7a0b\u7684\u5185\u6838\u6001\u3002\u56e0\u4e3a\u4e2d\u65ad\u5904\u7406\u7a0b\u5e8f\u5c06\u4f7f\u7528\u5f53\u524d\u8fdb\u7a0b\u7684\u5185\u6838\u6808\u3002\u8fd9\u4e0e\u5904\u4e8e\u5185\u6838\u6001\u7684\u8fdb\u7a0b\u7684\u72b6\u6001\u6709\u4e9b\u7c7b\u4f3c\u3002<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u5185\u6838\u6001\u4e0e\u7528\u6237\u6001\u662f\u64cd\u4f5c\u7cfb\u7edf\u7684\u4e24\u79cd\u8fd0\u884c\u7ea7\u522b,\u8ddfintel cpu\u6ca1\u6709\u5fc5\u7136\u7684\u8054\u7cfb, \u5982\u4e0a\u6240\u63d0\u5230\u7684intel cpu\u63d0\u4f9bRing0-Ring3\u56db\u79cd\u7ea7\u522b\u7684\u8fd0\u884c\u6a21\u5f0f\uff0cRing0\u7ea7\u522b\u6700\u9ad8\uff0cRing3\u6700\u4f4e\u3002Linux\u4f7f\u7528\u4e86Ring3\u7ea7\u522b\u8fd0\u884c\u7528\u6237\u6001\uff0cRing0\u4f5c\u4e3a \u5185\u6838\u6001\uff0c\u6ca1\u6709\u4f7f\u7528Ring1\u548cRing2\u3002&nbsp;&nbsp;&nbsp;&nbsp;<\/p>\n\n\n\n<p><strong>\u5185\u6838\u7a7a\u95f4\u548c\u7528\u6237\u7a7a\u95f4<\/strong><\/p>\n\n\n\n<p><strong>x86 CPU<\/strong>\u91c7\u7528\u4e86\u6bb5\u9875\u5f0f\u5730\u5740\u6620\u5c04\u6a21\u578b\u3002<strong>\u8fdb\u7a0b\u4ee3\u7801<\/strong>\u4e2d\u7684\u5730\u5740\u4e3a\u903b\u8f91\u5730\u5740\uff0c\u7ecf\u8fc7\u6bb5\u9875\u5f0f\u5730\u5740\u6620\u5c04\u540e\uff0c\u624d\u771f\u6b63\u8bbf\u95ee\u7269\u7406\u5185\u5b58\u3002<\/p>\n\n\n\n<p>\u901a\u5e38<strong>32\u4f4dLinux\u5185\u6838<\/strong>\u5730\u5740\u7a7a\u95f4\u5212\u52060~3G\u4e3a\u7528\u6237\u7a7a\u95f4\uff0c3~4G\u4e3a\u5185\u6838\u7a7a\u95f4\u300264\u4f4d\u5185\u6838\u5730\u5740\u7a7a\u95f4\u5212\u5206\u662f\u4e0d\u540c\u7684\u3002<\/p>\n\n\n\n<p>32\u4f4d\u4e0e64\u4f4d\u5177\u4f53\u5730\u5740\u5206\u5e03\u5982\u4e0b\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20191012145228466.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hndWlzdQ==,size_16,color_FFFFFF,t_70\" alt=\"\"\/><\/figure>\n\n\n\n<p>64\u4f4d\u5730\u5740\u65f6\u5c060x0000,0000,0000,0000 \u2013 0x0000,7fff,ffff,f000\u8fd9128T\u5730\u5740\u7528\u4e8e\u7528\u6237\u7a7a\u95f4\u3002\u53c2\u89c1\u5b9a\u4e49\uff1a<\/p>\n\n\n\n<p>#define TASK_SIZE_MAX&nbsp;&nbsp; ((1UL &lt;&lt; 47) - PAGE_SIZE)\uff0c\u6ce8\u610f\u8fd9\u91cc\u8fd8\u51cf\u53bb\u4e86\u4e00\u4e2a\u9875\u9762\u7684\u5927\u5c0f\u505a\u4e3a\u4fdd\u62a4\u3002<\/p>\n\n\n\n<p>\u800c0xffff,8000,0000,0000\u4ee5\u4e0a\u4e3a\u7cfb\u7edf\u7a7a\u95f4\u5730\u5740\u3002\u6ce8\u610f\uff1a\u8be5\u5730\u5740\u524d4\u4e2a\u90fd\u662ff\uff0c\u8fd9\u662f\u56e0\u4e3a\u76ee\u524d\u5b9e\u9645\u4e0a\u53ea\u7528\u4e8664\u4f4d\u5730\u5740\u4e2d\u768448\u4f4d\uff08\u9ad816\u4f4d\u662f\u6ca1\u6709\u7528\u7684\uff09\uff0c\u800c\u4ece\u5730\u57400x0000,7fff,ffff,ffff\u52300xffff,8000,0000,0000\u4e2d\u95f4\u662f\u4e00\u4e2a\u5de8\u5927\u7684\u7a7a\u6d1e\uff0c\u662f\u4e3a\u4ee5\u540e\u7684\u6269\u5c55\u9884\u7559\u7684\u3002<\/p>\n\n\n\n<p>\u800c\u771f\u6b63\u7684\u7cfb\u7edf\u7a7a\u95f4\u7684\u8d77\u59cb\u5730\u5740\uff0c\u662f\u4ece0xffff,8800,0000,0000\u5f00\u59cb\u7684\uff0c\u53c2\u89c1\uff1a<\/p>\n\n\n\n<p>#define __PAGE_OFFSET&nbsp;&nbsp;&nbsp;&nbsp; _AC(0xffff,8800,0000,0000, UL)<\/p>\n\n\n\n<p><strong>\u800c32\u4f4d\u5730\u5740\u65f6\u7cfb\u7edf\u7a7a\u95f4\u7684\u8d77\u59cb\u5730\u5740\u4e3a0xC000,0000\u3002<\/strong><\/p>\n\n\n\n<p>\u53e6\u59160xffff,8800,0000,0000 \u2013 0xffff,c7ff,ffff,ffff\u8fd964T\u76f4\u63a5\u548c\u7269\u7406\u5185\u5b58\u8fdb\u884c\u6620\u5c04\uff0c0xffff,c900,0000,0000 \u2013 0xffff,e8ff,ffff,ffff\u8fd932T\u7528\u4e8evmalloc\/ioremap\u7684\u5730\u5740\u7a7a\u95f4\u3002<\/p>\n\n\n\n<p>\u800c32\u4f4d\u5730\u5740\u7a7a\u95f4\u65f6\uff0c\u5f53\u7269\u7406\u5185\u5b58\u5927\u4e8e896M\u65f6\uff08Linux2.4\u5185\u6838\u662f896M\uff0c3.x\u5185\u6838\u662f884M\uff0c\u662f\u4e2a\u7ecf\u9a8c\u503c\uff09\uff0c\u7531\u4e8e\u5730\u5740\u7a7a\u95f4\u7684\u9650\u5236\uff0c\u5185\u6838\u53ea\u4f1a\u5c060~896M\u7684\u5730\u5740\u8fdb\u884c\u6620\u5c04\uff0c\u800c896M\u4ee5\u4e0a\u7684\u7a7a\u95f4\u7528\u505a\u4e00\u4e9b\u56fa\u5b9a\u6620\u5c04\u548cvmalloc\/ioremap\u3002\u800c64\u4f4d\u5730\u5740\u65f6\u662f\u5c06\u6240\u6709\u7269\u7406\u5185\u5b58\u90fd\u8fdb\u884c\u6620\u5c04\u3002<\/p>\n\n\n\n<p><strong>\u5185\u6838\u6001\u4e0e\u7528\u6237\u6001<\/strong><\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u7528\u6237\u6001Ring3\u72b6\u6001\u4e0d\u80fd\u8bbf\u95ee\u5185\u6838\u6001Ring0\u7684\u5730\u5740\u7a7a\u95f4\uff0c\u5305\u62ec\u4ee3\u7801\u548c\u6570\u636e\u3002(\u4f8b\u598232\u4f4dLinux\u8fdb\u7a0b\u76844GB\u5730\u5740\u7a7a\u95f4\uff0c3G-4G\u90e8 \u5206\u5927\u5bb6\u662f\u5171\u4eab\u7684\uff0c\u662f\u5185\u6838\u6001\u7684\u5730\u5740\u7a7a\u95f4\uff0c\u8fd9\u91cc\u5b58\u653e\u5728\u6574\u4e2a\u5185\u6838\u7684\u4ee3\u7801\u548c\u6240\u6709\u7684\u5185\u6838\u6a21\u5757\uff0c\u4ee5\u53ca\u5185\u6838\u6240\u7ef4\u62a4\u7684\u6570\u636e\uff09\u3002\u7528\u6237\u8fd0\u884c\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u8be5\u7a0b\u5e8f\u6240\u521b\u5efa\u7684\u8fdb\u7a0b\u5f00\u59cb\u662f\u8fd0\u884c\u5728\u7528\u6237\u6001\u7684\uff0c\u5982\u679c\u8981\u6267\u884c\u6587\u4ef6\u64cd\u4f5c\uff0c\u7f51\u7edc\u6570\u636e\u53d1\u9001\u7b49\u64cd\u4f5c\uff0c\u5fc5\u987b\u901a\u8fc7write\uff0csend\u7b49\u7cfb\u7edf\u8c03\u7528\uff0c\u8fd9\u4e9b\u7cfb\u7edf\u8c03\u7528\u4f1a\u8c03\u7528\u5185\u6838\u4e2d\u7684\u4ee3\u7801\u6765\u5b8c\u6210\u64cd\u4f5c\uff0c\u8fd9\u65f6\uff0c\u5fc5 \u987b\u5207\u6362\u5230Ring0\uff0c\u7136\u540e\u8fdb\u5165\u5185\u6838\u5730\u5740\u7a7a\u95f4\u53bb\u6267\u884c\u8fd9\u4e9b\u4ee3\u7801\u5b8c\u6210\u64cd\u4f5c\uff0c\u5b8c\u6210\u540e\uff0c\u5207\u6362\u56deRing3\uff0c\u56de\u5230\u7528\u6237\u6001\u3002\u8fd9\u6837\uff0c\u7528\u6237\u6001\u7684\u7a0b\u5e8f\u5c31\u4e0d\u80fd \u968f\u610f\u64cd\u4f5c\u5185\u6838\u5730\u5740\u7a7a\u95f4\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u5b89\u5168\u4fdd\u62a4\u4f5c\u7528\u3002<\/p>\n\n\n\n<p><strong>\u5904\u7406\u5668\u603b\u5904\u4e8e\u4ee5\u4e0b\u72b6\u6001\u4e2d\u7684\u4e00\u79cd\uff1a<\/strong><\/p>\n\n\n\n<p>1\u3001\u5185\u6838\u6001\uff0c\u8fd0\u884c\u4e8e\u8fdb\u7a0b\u4e0a\u4e0b\u6587\uff0c\u5185\u6838\u4ee3\u8868\u8fdb\u7a0b\u8fd0\u884c\u4e8e\u5185\u6838\u7a7a\u95f4\uff1b<\/p>\n\n\n\n<p>2\u3001\u5185\u6838\u6001\uff0c\u8fd0\u884c\u4e8e\u4e2d\u65ad\u4e0a\u4e0b\u6587\uff0c\u5185\u6838\u4ee3\u8868\u786c\u4ef6\u8fd0\u884c\u4e8e\u5185\u6838\u7a7a\u95f4\uff1b<\/p>\n\n\n\n<p>3\u3001\u7528\u6237\u6001\uff0c\u8fd0\u884c\u4e8e\u7528\u6237\u7a7a\u95f4\u3002<\/p>\n\n\n\n<p><strong>\u4ece\u7528\u6237\u7a7a\u95f4\u5230\u5185\u6838\u7a7a\u95f4\u6709\u4e24\u79cd\u89e6\u53d1\u624b\u6bb5\uff1a<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow 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