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\u76f4\u8fd1\u307e\u3067\u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u7de8\u96c6\u3084\u8ffd\u8a18\u3092\u7e70\u308a\u8fd4\u3057\u3066\u3044\u305f\u4f5c\u696d\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u30c7\u30a3\u30b9\u30af\u4e0a\u3067\u975e\u9023\u7d9a\u306a\u30af\u30e9\u30b9\u30bf\u306b\u5206\u6563\u3057\u3066\u8a18\u9332\u3055\u308c\u308b\u300c\u30d5\u30e9\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\uff08\u65ad\u7247\u5316\uff09\u300d\u3092\u8d77\u3053\u3057\u3066\u3044\u308b\u78ba\u7387\u304c\u975e\u5e38\u306b\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002 \u7269\u7406\u30b9\u30ad\u30e3\u30f3\uff08\u30ab\u30fc\u30d3\u30f3\u30b0\uff09\u306f\u3001\u539f\u5247\u3068\u3057\u3066\u300c\u30c7\u30fc\u30bf\u304c\u9023\u7d9a\u3057\u305f\u30bb\u30af\u30bf\u306b\u66f8\u304d\u8fbc\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u300d\u3092\u524d\u63d0\u3068\u3057\u305f\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u65ad\u7247\u5316\u3057\u305f\u76f4\u8fd1\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u30b7\u30b0\u30cd\u30c1\u30e3\u306b\u3088\u308b\u6b63\u78ba\u306a\u5207\u308a\u51fa\u3057\u304c\u3067\u304d\u305a\u3001\u7834\u640d\u30d5\u30a1\u30a4\u30eb\u3068\u306a\u308a\u307e\u3059\u3002\u5bfe\u7167\u7684\u306b\u3001\u904e\u53bb\u306b\u4fdd\u5b58\u3055\u308c\u4e00\u5ea6\u3082\u7de8\u96c6\u3055\u308c\u306a\u304b\u3063\u305f\u9759\u7684\u306a\u30d5\u30a1\u30a4\u30eb\uff08\u53e4\u3044\u753b\u50cf\u3084\u30ed\u30b0\u306a\u3069\uff09\u306f\u9023\u7d9a\u9818\u57df\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u30ab\u30fc\u30d3\u30f3\u30b0\u306b\u3088\u3063\u3066\u5bb9\u6613\u304b\u3064\u5b8c\u5168\u306b\u62bd\u51fa\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u7406\u75313\uff1a\u30e1\u30bf\u30c7\u30fc\u30bf\u306e\u55aa\u5931\u306b\u3088\u308b\u300c\u5168\u62bd\u51fa\u300d<\/strong> MFT\u30a8\u30f3\u30c8\u30ea\u304c\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u306b\u518d\u5229\u7528\u3055\u308c\u3066\u30e1\u30bf\u30c7\u30fc\u30bf\u304c\u55aa\u5931\u3059\u308b\u3068\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u7269\u7406\u30b9\u30ad\u30e3\u30f3\u306b\u79fb\u884c\u305b\u3056\u308b\u3092\u5f97\u307e\u305b\u3093\u3002\u7269\u7406\u30b9\u30ad\u30e3\u30f3\u306b\u3088\u3063\u3066\u30ab\u30fc\u30d3\u30f3\u30b0\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u3001\u5143\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3082\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3082\u4fdd\u6301\u3057\u3066\u3044\u307e\u305b\u3093\u3002 \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u30bb\u30af\u30bf\u4e0a\u306b\u6b8b\u5b58\u3059\u308b\u300c\u6570\u65e5\u524d\u306b\u6d88\u3048\u305f\u30c7\u30fc\u30bf\u300d\u3068\u300c5\u5e74\u524d\u306b\u6d88\u3048\u305f\u30c7\u30fc\u30bf\u300d\u3092\u533a\u5225\u3067\u304d\u305a\u3001\u30b7\u30b0\u30cd\u30c1\u30e3\u304c\u4e00\u81f4\u3057\u305f\u3082\u306e\u3092\u3059\u3079\u3066\u30d5\u30e9\u30c3\u30c8\u306b\u5fa9\u5143\u3057\u307e\u3059\u3002\u9023\u756a\u306e\u30d5\u30a1\u30a4\u30eb\u540d\uff08file_001.jpg\u7b49\uff09\u304c\u4ed8\u4e0e\u3055\u308c\u305f\u81a8\u5927\u306a\u904e\u53bb\u306e\u30c7\u30fc\u30bf\u304c\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3055\u308c\u308b\u305f\u3081\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u306f\u300c\u53e4\u3044\u30c7\u30fc\u30bf\u3070\u304b\u308a\u304c\u6e67\u3044\u3066\u304d\u305f\u300d\u3088\u3046\u306b\u8a8d\u8b58\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7d50\u8ad6<\/h3>\n\n\n\n<p>\u30c7\u30fc\u30bf\u5fa9\u65e7\u306b\u304a\u3044\u3066\u904e\u53bb\u306e\u30c7\u30fc\u30bf\u304c\u62bd\u51fa\u3055\u308c\u308b\u306e\u306f\u3001**\u300c\u76f4\u8fd1\u306e\u30c7\u30fc\u30bf\u9818\u57df\u304cOS\u306e\u66f8\u304d\u8fbc\u307f\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u3063\u3066\u65e2\u306b\u7834\u58ca\uff08\u4e0a\u66f8\u304d\uff09\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u65ad\u7247\u5316\u306b\u3088\u308a\u30ab\u30fc\u30d3\u30f3\u30b0\u306b\u5931\u6557\u3057\u305f\u4e00\u65b9\u3067\u3001\u9023\u7d9a\u9818\u57df\u306b\u6b8b\u7559\u3057\u3066\u3044\u305f\u904e\u53bb\u306e\u30c7\u30fc\u30bf\u304c\u7269\u7406\u30b9\u30ad\u30e3\u30f3\u306b\u3088\u3063\u3066\u4e00\u6589\u306b\u62fe\u3044\u4e0a\u3052\u3089\u308c\u305f\u7d50\u679c\u300d**\u306b\u4ed6\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u6280\u8853\u7684\u5236\u7d04\u304c\u3042\u308b\u4ee5\u4e0a\u3001\u76f4\u8fd1\u306e\u30c7\u30fc\u30bf\u3092\u6551\u51fa\u3059\u308b\u305f\u3081\u306e\u552f\u4e00\u306e\u5bfe\u6297\u7b56\u306f\u3001\u969c\u5bb3\u767a\u751f\u3084\u8aa4\u524a\u9664\u3092\u8a8d\u8b58\u3057\u305f\u76f4\u5f8c\u306b\u30b7\u30b9\u30c6\u30e0\u306e\u96fb\u6e90\u3092\u7269\u7406\u7684\u306b\u906e\u65ad\uff08\u5f37\u5236\u7d42\u4e86\u306a\u3069\uff09\u3057\u3001\u4e00\u5207\u306eI\/O\u51e6\u7406\u3092\u505c\u6b62\u3055\u305b\u308b\u3053\u3068\u306e\u307f\u3068\u8a00\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u88dc\u8db3\uff1a\u672c\u7a3f\u306b\u304a\u3051\u308b\u4e3b\u8981\u306a\u5c02\u9580\u7528\u8a9e\u89e3\u8aac<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MFT (Master File Table):<\/strong> Windows\u306eNTFS\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u4e2d\u6838\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3002\u30dc\u30ea\u30e5\u30fc\u30e0\u5185\u306e\u3059\u3079\u3066\u306e\u30d5\u30a1\u30a4\u30eb\u3068\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u5c5e\u6027\uff08\u30d5\u30a1\u30a4\u30eb\u540d\u3001\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3001\u30a2\u30af\u30bb\u30b9\u6a29\u3001\u30c7\u30fc\u30bf\u304c\u8a18\u9332\u3055\u308c\u3066\u3044\u308b\u7269\u7406\u7684\u306a\u5834\u6240\u306e\u30dd\u30a4\u30f3\u30bf\u306a\u3069\uff09\u3092\u4e00\u5143\u7ba1\u7406\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>LBA (Logical Block Addressing):<\/strong> \u30b9\u30c8\u30ec\u30fc\u30b8\u30c7\u30d0\u30a4\u30b9\u4e0a\u306e\u30c7\u30fc\u30bf\u4f4d\u7f6e\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306e\u8ad6\u7406\u7684\u306a\u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\u65b9\u5f0f\u3002\u30d7\u30e9\u30c3\u30bf\u4e0a\u306e\u7269\u7406\u7684\u306a\u69cb\u9020\uff08\u30b7\u30ea\u30f3\u30c0\u3001\u30d8\u30c3\u30c9\u3001\u30bb\u30af\u30bf\uff09\u3092\u610f\u8b58\u305b\u305a\u3001\u5148\u982d\u304b\u3089\u9023\u756a\u3067\u30d6\u30ed\u30c3\u30af\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u4ed5\u7d44\u307f\u3002<\/li>\n\n\n\n<li><strong>\u30bb\u30af\u30bf (Sector) \/ \u30af\u30e9\u30b9\u30bf (Cluster):<\/strong> \u30bb\u30af\u30bf\u306fHDD\u306e\u7269\u7406\u7684\u306a\u6700\u5c0f\u8a18\u9332\u5358\u4f4d\uff08\u5f93\u6765\u306f512\u30d0\u30a4\u30c8\u3001\u8fd1\u5e74\u306f4K\u30d0\u30a4\u30c8\u304c\u4e3b\u6d41\uff09\u3002\u30af\u30e9\u30b9\u30bf\u306f\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u304c\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u30fb\u5272\u308a\u5f53\u3066\u3059\u308b\u969b\u306e\u8ad6\u7406\u7684\u306a\u6700\u5c0f\u5358\u4f4d\u3067\u3001\u8907\u6570\u306e\u30bb\u30af\u30bf\u3092\u675f\u306d\u3066\u69cb\u6210\u3055\u308c\u308b\uff08NTFS\u306e\u6a19\u6e96\u3067\u306f4KB\uff09\u3002<\/li>\n\n\n\n<li><strong>\u30a2\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u30d3\u30c3\u30c8\u30de\u30c3\u30d7 ($Bitmap):<\/strong> NTFS\u306b\u304a\u3044\u3066\u3001\u30dc\u30ea\u30e5\u30fc\u30e0\u5185\u306e\u5404\u30af\u30e9\u30b9\u30bf\u304c\u300c\u4f7f\u7528\u4e2d\u300d\u304b\u300c\u7a7a\u304d\uff08\u672a\u5272\u308a\u5f53\u3066\uff09\u300d\u304b\u3092\u30011\u30d3\u30c3\u30c8\uff080\u304b1\uff09\u306e\u30d5\u30e9\u30b0\u3067\u8a18\u9332\u30fb\u7ba1\u7406\u3057\u3066\u3044\u308b\u30b7\u30b9\u30c6\u30e0\u30d5\u30a1\u30a4\u30eb\u3002\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664\u3059\u308b\u3068\u3001\u8a72\u5f53\u3059\u308b\u30af\u30e9\u30b9\u30bf\u306e\u30d5\u30e9\u30b0\u304c\u300c\u7a7a\u304d\u300d\u306b\u5909\u66f4\u3055\u308c\u308b\u3002<\/li>\n\n\n\n<li><strong>\u30bc\u30ed\u30d5\u30a3\u30eb (Zero-fill):<\/strong> \u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u5168\u9818\u57df\u3001\u3042\u308b\u3044\u306f\u7279\u5b9a\u9818\u57df\u306b\u5bfe\u3057\u3066\u3001\u7121\u610f\u5473\u306a\u30c7\u30fc\u30bf\uff08\u901a\u5e38\u306f\u300c0\u300d\uff09\u3092\u5f37\u5236\u7684\u306b\u4e0a\u66f8\u304d\u3057\u3001\u6b8b\u7559\u3057\u3066\u3044\u305f\u30c7\u30fc\u30bf\u3092\u7269\u7406\u7684\u304b\u3064\u5b8c\u5168\u306b\u6d88\u53bb\u30fb\u7834\u58ca\u3059\u308b\u51e6\u7406\u3002<\/li>\n\n\n\n<li><strong>\u30d5\u30a1\u30a4\u30eb\u30ab\u30fc\u30d3\u30f3\u30b0 (File Carving):<\/strong> MFT\u306a\u3069\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\uff08\u30e1\u30bf\u30c7\u30fc\u30bf\uff09\u60c5\u5831\u306b\u4f9d\u5b58\u305b\u305a\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u30c7\u30fc\u30bf\u9818\u57df\uff08\u751f\u30c7\u30fc\u30bf\uff09\u3092\u30bb\u30af\u30bf\u5358\u4f4d\u3067\u76f4\u63a5\u30b9\u30ad\u30e3\u30f3\u3057\u3001\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u30d1\u30bf\u30fc\u30f3\u306e\u9023\u7d9a\u6027\u304b\u3089\u30d5\u30a1\u30a4\u30eb\u3092\u63a8\u6e2c\u3057\u3066\u5207\u308a\u51fa\u3059\u30c7\u30fc\u30bf\u5fa9\u65e7\u6280\u8853\u3002<\/li>\n\n\n\n<li><strong>\u30de\u30b8\u30c3\u30af\u30ca\u30f3\u30d0\u30fc (Magic Number) \/ \u30b7\u30b0\u30cd\u30c1\u30e3:<\/strong> \u30d5\u30a1\u30a4\u30eb\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306b\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u5148\u982d\uff08\u30d8\u30c3\u30c0\uff09\u3084\u672b\u5c3e\uff08\u30d5\u30c3\u30bf\uff09\u306b\u898f\u5247\u7684\u306b\u4ed8\u4e0e\u3055\u308c\u3066\u3044\u308b\u56fa\u6709\u306e\u8b58\u5225\u5b50\uff08\u30d0\u30a4\u30c8\u5217\uff09\u3002\u4f8b\u3048\u3070JPEG\u753b\u50cf\u3067\u3042\u308c\u3070\u3001\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf\u304c\u5fc5\u305a <code>FF D8<\/code> \u3067\u59cb\u307e\u308a <code>FF D9<\/code> \u3067\u7d42\u308f\u308b\u3068\u3044\u3046\u898f\u5247\u304c\u3042\u308b\u3002<\/li>\n\n\n\n<li><strong>\u30d5\u30e9\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3 (Fragmentation):<\/strong> \u65ad\u7247\u5316\u3002\u30d5\u30a1\u30a4\u30eb\u306e\u8ffd\u8a18\u3084\u3001\u4f5c\u6210\u30fb\u524a\u9664\u3092\u7e70\u308a\u8fd4\u3059\u3053\u3068\u3067\u30011\u3064\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u30b9\u30c8\u30ec\u30fc\u30b8\u4e0a\u306e\u9023\u7d9a\u3057\u305f\u7a7a\u304d\u9818\u57df\u306b\u53ce\u307e\u308a\u304d\u3089\u305a\u3001\u8907\u6570\u306e\u96e2\u308c\u305f\u30af\u30e9\u30b9\u30bf\u306b\u5206\u5272\u3055\u308c\u3066\u8a18\u9332\u3055\u308c\u308b\u73fe\u8c61\u3002<\/li>\n\n\n\n<li><strong>I\/O\u51e6\u7406 (Input\/Output Processing):<\/strong> 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