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本文从硬件出发,系统地讲解了文件系统实现的原理,内容详细全面而有条理
fat文件系统原理.zip
  • fat文件系统原理.pdf
    970.4KB
内容介绍
<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/624fbb166caf596192ef6f37/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/624fbb166caf596192ef6f37/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"> <span class="ff2 fs1 fc1 sc1 ls1">FAT&#25991;&#20214;&#31995;&#32479;<span class="ls0">&#21407;&#29702;<span class="fc0 sc2"> </span></span></span></div><div class="t m0 x1 h3 y2 ff1 fs1 fc0 sc2 ls2 ws0"> <span class="ff2 ls0"> </span></div><div class="t m1 x2 h4 y3 ff2 fs2 fc0 sc2 ls3 ws0">&#8212;&#8212;<span class="fc1 sc1 ls4">http://www.sjhf.net</span></div><div class="t m2 x3 h5 y3 ff2 fs3 fc0 sc2 ls0 ws0"> </div><div class="t m0 x4 h6 y3 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x5 h7 y4 ff1 fs4 fc1 sc0 ls0 ws0">&#34920;<span class="_ _0"> </span>1 &#20998;&#21306;&#34920;&#21442;&#25968;</div><div class="t m0 x6 h6 y5 ff1 fs0 fc0 sc2 ls5 ws0">&#25991;&#26412;&#32467;&#26500;&#32034;&#24341;&#65306;<span class="fs4 sc0 ls0"> <span class="_ _1"> </span></span>&#22270;&#29255;&#34920;&#26684;&#32034;&#24341;&#65306;<span class="fs4 sc0 ls0"> </span></div><div class="t m0 x5 h7 y6 ff1 fs4 fc1 sc0 ls0 ws0">&#34920;<span class="_ _0"> </span>2 &#25193;&#23637;&#20998;&#21306;&#34920;&#39033;&#30340;&#20869;&#23481;</div><div class="t m0 x6 h7 y7 ff1 fs4 fc1 sc0 ls0 ws0">&#19968;&#12289;&#30828;&#30424;&#30340;&#29289;&#29702;&#32467;&#26500;<span class="_ _2"> </span>&#22270;<span class="_ _0"> </span>1 &#30828;&#30424;&#30340;&#29289;&#29702;&#32467;&#26500;<span class="_ _3"> </span>&#34920;<span class="_ _0"> </span>3 FAT32<span class="_ _0"> </span>&#20998;&#21306;DBR&#30340;&#20301;&#32622;&#21010;&#20998;</div><div class="t m0 x6 h7 y8 ff1 fs4 fc1 sc0 ls0 ws0">&#20108;&#12289;&#30828;&#30424;&#30340;&#36923;&#36753;&#32467;&#26500;<span class="_ _2"> </span>&#22270;<span class="_ _0"> </span>2 winhex&#19979;&#30340;&#30913;&#30424;MBR<span class="_ _4"> </span>&#34920;<span class="_ _0"> </span>4 FAT32<span class="_ _0"> </span>&#20998;&#21306;&#30340;BPB&#23383;&#27573;</div><div class="t m0 x7 h7 y9 ff1 fs4 fc1 sc0 ls0 ws0">3.1 MBR&#25159;&#21306;<span class="_ _5"> </span><span class="fc0 ls6"> <span class="_ _6"> </span></span>&#22270;<span class="_ _0"> </span>3 winhex&#32473;&#20986;&#30340;MBR&#21442;&#25968;&#30340;&#24847;&#20041;<span class="_ _7"> </span>&#34920;<span class="_ _0"> </span>5 FAT32<span class="_ _0"> </span>&#20998;&#21306;&#30340;&#25193;&#23637;BPB&#23383;&#27573;</div><div class="t m0 x6 h7 ya ff1 fs4 fc1 sc0 ls0 ws0">&#19977;&#12289;&#30913;&#30424;</div><div class="t m0 x6 h7 yb ff1 fs4 fc1 sc0 ls0 ws0">&#24341;&#23548;&#21407;&#29702;</div><div class="t m0 x7 h7 yc ff1 fs4 fc1 sc0 ls0 ws0">3.2 &#25193;&#23637;&#20998;&#21306;<span class="_ _8"> </span><span class="fc0 ls6"> <span class="_ _6"> </span></span>&#22270;<span class="_ _0"> </span>4 &#20998;&#21306;&#34920;&#31867;&#22411;&#26631;&#24535;<span class="_ _3"> </span>&#34920;<span class="_ _0"> </span>6 FAT16<span class="_ _0"> </span>&#20998;&#21306;&#19978;&#30340;DBR&#32452;&#25104;</div><div class="t m0 x8 h7 yd ff1 fs4 fc1 sc0 ls0 ws0">4.1.1 FAT32 </div><div class="t m0 x8 h7 ye ff1 fs4 fc1 sc0 ls0 ws0">DBR&#25159;&#21306;</div><div class="t m0 x9 h7 yf ff1 fs4 fc1 sc0 ls0 ws0">&#22270;<span class="_ _0"> </span>5 &#19968;&#20010;<span class="_ _0"> </span>4<span class="_ _0"> </span>&#20998;&#21306;&#30340;&#30913;&#30424;&#32467;&#26500;&#22270;&#31034;<span class="_ _7"> </span>&#34920;<span class="_ _0"> </span>7 FAT16<span class="_ _0"> </span>&#20998;&#21306;&#30340;BPB&#23383;&#27573;</div><div class="t m0 x7 h7 y10 ff1 fs4 fc1 sc0 ls0 ws0">4.1 &#20851;&#20110;DBR</div><div class="t m0 x8 h7 y11 ff1 fs4 fc1 sc0 ls0 ws0">4.1.2 FAT16 </div><div class="t m0 x8 h7 y12 ff1 fs4 fc1 sc0 ls0 ws0">DBR&#25159;&#21306;</div><div class="t m0 x9 h7 y13 ff1 fs4 fc1 sc0 ls0 ws0">&#22270;<span class="_ _0"> </span>6 &#20998;&#21306;&#34920;&#38142;&#25509;&#22270;&#31034;</div><div class="t m0 x5 h7 y14 ff1 fs4 fc1 sc0 ls0 ws0">&#34920;<span class="_ _0"> </span>8 FAT16<span class="_ _0"> </span>&#20998;&#21306;&#30340;&#25193;&#23637;BPB&#23383;&#27573; </div><div class="t m0 x9 h7 y15 ff1 fs4 fc1 sc0 ls0 ws0">&#22270;<span class="_ _0"> </span>7 &#30913;&#30424;&#30340;&#25972;&#20307;&#32467;&#26500;&#22270;&#31034;</div><div class="t m0 x5 h7 y16 ff1 fs4 fc1 sc0 ls0 ws0">&#34920;<span class="_ _0"> </span>9 FAT16<span class="_ _0"> </span>&#20998;&#21306;&#22823;&#23567;&#19982;&#23545;&#22240;&#31751;</div><div class="t m0 x5 h7 y17 ff1 fs4 fc1 sc0 ls0 ws0">&#22823;&#23567;</div><div class="t m0 x7 h7 y18 ff1 fs4 fc1 sc0 ls0 ws0">4.2 &#20851;&#20110;&#20445;&#30041;</div><div class="t m0 x7 h7 y19 ff1 fs4 fc1 sc0 ls0 ws0">&#25159;&#21306;</div><div class="t m0 x8 h7 y1a ff1 fs4 fc0 sc0 ls6 ws0"> </div><div class="t m0 x9 h7 y1b ff1 fs4 fc1 sc0 ls0 ws0">&#22270;<span class="_ _0"> </span>8 winhex&#19979;&#30340;FAT32<span class="_ _0"> </span>&#22522;&#26412;&#20998;&#21306;DBR</div><div class="t m0 x9 h7 y1c ff1 fs4 fc1 sc0 ls0 ws0">&#22270;</div><div class="t m0 x5 h7 y1d ff1 fs4 fc1 sc0 ls0 ws0">&#34920;<span class="_ _0"> </span>11 FAT16<span class="_ _0"> </span>&#30446;&#24405;&#39033;&#30340;&#23450;&#20041;</div><div class="t m0 x8 h7 y1e ff1 fs4 fc1 sc0 ls0 ws0">4.3.1 &#23384;&#20648;&#36807;&#31243;</div><div class="t m0 x8 h7 y1f ff1 fs4 fc1 sc0 ls0 ws0">&#20551;&#24819;</div><div class="t m0 x9 h7 y20 ff1 fs4 fc1 sc0 ls0 ws0">&#22270;<span class="_ _0"> </span>9 winhex&#32473;&#20986;&#30340;&#22270;<span class="_ _0"> </span>8DBR&#21442;&#25968;&#35828;&#26126;</div><div class="t m0 x5 h7 y1e ff1 fs4 fc1 sc0 ls0 ws0">&#34920;<span class="_ _0"> </span>12 FAT32<span class="_ _0"> </span>&#20998;&#21306;&#22823;&#23567;&#19982;&#23545;&#22240;&#31751;</div><div class="t m0 x5 h7 y1f ff1 fs4 fc1 sc0 ls0 ws0">&#22823;&#23567;</div><div class="t m0 x8 h7 y21 ff1 fs4 fc1 sc0 ls0 ws0">4.3.2 FAT16<span class="_ _0"> </span>&#23384;</div><div class="t m0 x8 h7 y22 ff1 fs4 fc1 sc0 ls0 ws0">&#20648;&#21407;&#29702;</div><div class="t m0 x9 h7 y21 ff1 fs4 fc1 sc0 ls0 ws0">&#22270;<span class="_ _0"> </span>10 winhex&#25152;&#25130;FAT16<span class="_ _0"> </span>&#30340;&#25991;&#20214;&#20998;&#37197;</div><div class="t m0 x9 h7 y22 ff1 fs4 fc1 sc0 ls0 ws0">&#34920;</div><div class="t m0 x5 h7 y23 ff1 fs4 fc1 sc0 ls0 ws0">&#34920;<span class="_ _0"> </span>13 FAT&#34920;&#30340;&#21462;&#20540;&#21547;&#20041;</div><div class="t m0 x6 h7 y24 ff1 fs4 fc1 sc0 ls0 ws0">&#22235;&#12289;FAT&#20998;</div><div class="t m0 x6 h7 y25 ff1 fs4 fc1 sc0 ls0 ws0">&#21306;&#21407;&#29702;</div><div class="t m0 x7 h7 y26 ff1 fs4 fc1 sc0 ls0 ws0">4.3 FAT&#34920;&#21644;&#25968;</div><div class="t m0 x7 h7 y27 ff1 fs4 fc1 sc0 ls0 ws0">&#25454;&#30340;&#23384;&#20648;&#21407;&#21017;</div><div class="t m0 x8 h7 y28 ff1 fs4 fc1 sc0 ls0 ws0">4.3.3 FAT32<span class="_ _0"> </span>&#23384;</div><div class="t m0 x8 h7 y29 ff1 fs4 fc1 sc0 ls0 ws0">&#20648;&#21407;&#29702;</div><div class="t m0 x9 h7 y2a ff1 fs4 fc1 sc0 ls0 ws0">&#22270;<span class="_ _0"> </span>4.3.11 Fat16<span class="_ _0"> </span>&#30340;&#32452;&#32455;&#24418;&#24335;</div><div class="t m0 x5 h7 y28 ff1 fs4 fc1 sc0 ls0 ws0">&#34920;<span class="_ _0"> </span>14 FAT32<span class="_ _0"> </span>&#30701;&#25991;&#20214;&#30446;&#24405;&#39033;&#30340;&#23450;</div><div class="t m0 x5 h7 y29 ff1 fs4 fc1 sc0 ls0 ws0">&#20041;</div><div class="t m0 x6 h7 y2b ff1 fs4 fc1 sc0 ls0 ws0">&#20116;&#12289;&#32467;&#26463;</div><div class="t m0 xa h7 y2c ff1 fs4 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h7 y2b ff1 fs4 fc1 sc0 ls0 ws0">&#22270;<span class="_ _0"> </span>4.3.12 Fat32<span class="_ _0"> </span>&#30340;&#32452;&#32455;&#24418;&#24335;</div><div class="t m0 x5 h7 y2d ff1 fs4 fc1 sc0 ls0 ws0">&#34920;<span class="_ _0"> </span>15 FAT32<span class="_ _0"> </span>&#38271;&#25991;&#20214;&#30446;&#24405;&#39033;&#30340;&#23450;</div><div class="t m0 x5 h7 y2e ff1 fs4 fc1 sc0 ls0 ws0">&#20041;</div><div class="t m0 x1 h6 y2f ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h6 y30 ff1 fs0 fc0 sc0 ls0 ws0">&#19968;&#12289;&#30828;&#30424;&#30340;&#29289;&#29702;&#32467;&#26500;&#65306; </div><div class="t m0 xb h6 y31 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h6 y32 ff1 fs0 fc0 sc0 ls0 ws0"> &#30828;&#30424;&#23384;&#20648;&#25968;&#25454;&#26159;&#26681;&#25454;&#30005;&#12289;&#30913;&#36716;&#25442;&#21407;&#29702;&#23454;&#29616;&#30340;&#12290;&#30828;&#30424;&#30001;&#19968;&#20010;&#25110;&#20960;&#20010;&#34920;&#38754;&#38208;&#26377;</div><div class="t m0 x1 h6 y33 ff1 fs0 fc0 sc0 ls0 ws0">&#30913;&#24615;&#29289;&#36136;&#30340;&#37329;&#23646;&#25110;&#29627;&#29827;&#31561;&#29289;&#36136;&#30424;&#29255;&#20197;&#21450;&#30424;&#29255;&#20004;&#38754;&#25152;&#23433;&#35013;&#30340;&#30913;&#22836;&#21644;&#30456;&#24212;&#30340;&#25511;&#21046;&#30005;</div><div class="t m0 x1 h6 y34 ff1 fs0 fc0 sc0 ls0 ws0">&#36335;&#32452;&#25104;(&#22270;<span class="_ _9"> </span>1)&#65292;&#20854;&#20013;&#30424;&#29255;&#21644;&#30913;&#22836;&#23494;&#23553;&#22312;&#26080;&#23576;&#30340;&#37329;&#23646;&#22771;&#20013;&#12290; </div><div class="t m0 x1 h6 y35 ff1 fs0 fc0 sc0 ls0 ws0">&#30828;&#30424;&#24037;&#20316;&#26102;&#65292;&#30424;&#29255;&#20197;&#35774;&#35745;&#36716;&#36895;&#39640;&#36895;&#26059;&#36716;&#65292;&#35774;&#32622;&#22312;&#30424;&#29255;&#34920;&#38754;&#30340;&#30913;&#22836;&#21017;&#22312;&#30005;&#36335;&#25511;&#21046;</div><div class="t m0 x1 h6 y36 ff1 fs0 fc0 sc0 ls0 ws0">&#19979;&#24452;&#21521;&#31227;&#21160;&#21040;&#25351;&#23450;&#20301;&#32622;&#28982;&#21518;&#23558;&#25968;&#25454;&#23384;&#20648;&#25110;&#35835;&#21462;&#20986;&#26469;&#12290;&#24403;&#31995;&#32479;&#21521;&#30828;&#30424;&#20889;&#20837;&#25968;&#25454;</div><div class="t m0 x1 h6 y37 ff1 fs0 fc0 sc0 ls0 ws0">&#26102;&#65292;&#30913;&#22836;&#20013;&#8220;&#20889;&#25968;&#25454;&#8221;&#30005;&#27969;&#20135;&#29983;&#30913;&#22330;&#20351;&#30424;&#29255;&#34920;&#38754;&#30913;&#24615;&#29289;&#36136;&#29366;&#24577;&#21457;&#29983;&#25913;&#21464;&#65292;&#24182;&#22312;</div><div class="t m0 x1 h6 y38 ff1 fs0 fc0 sc0 ls0 ws0">&#20889;&#30005;&#27969;&#30913;&#22330;&#28040;&#22833;&#21518;&#20173;&#33021;&#20445;&#25345;&#65292;&#36825;&#26679;&#25968;&#25454;&#23601;&#23384;&#20648;&#19979;&#26469;&#20102;&#65307;&#24403;&#31995;&#32479;&#20174;&#30828;&#30424;&#20013;&#35835;&#25968;&#25454;</div><div class="c xc y39 w2 h8"><div class="t m0 x0 h6 y3a ff3 fs0 fc0 sc0 ls0 ws0">&#31532; 1&#65295;39 &#39029;<span class="_ _a"> </span>&#25968;&#25454;&#24674;&#22797;&#65288;http://www.sjhf.net&#65289;</div></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><div class="d m3"></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div> </body> </html>
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