{"id":131912,"date":"2025-12-03T10:48:26","date_gmt":"2025-12-03T01:48:26","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=131912"},"modified":"2025-12-03T10:48:26","modified_gmt":"2025-12-03T01:48:26","slug":"windows-drive-letters-limitation","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/windows-drive-letters-limitation\/","title":{"rendered":"A\uff5eZ\u306e\u5e38\u8b58\u3092\u8d85\u3048\u308b\uff01Windows\u30c9\u30e9\u30a4\u30d6\u30ec\u30bf\u30fc\u306e\u77e5\u3089\u308c\u3056\u308b\u4ed5\u69d8"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2025\/12\/s_20251203-_104713.jpg\" alt=\"\" width=\"1086\" height=\"610\" class=\"aligncenter size-full wp-image-131915\" \/><\/p>\n<p>Windows\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3068\u3044\u3048\u3070<code>C:<\/code>\u3084<code>D:<\/code>\u3068\u3044\u3063\u305f<strong>\u30c9\u30e9\u30a4\u30d6\u30ec\u30bf\u30fc<\/strong>\u304c\u7279\u5fb4\u3067\u3059\u3002\u30c9\u30e9\u30a4\u30d6\u30ec\u30bf\u30fc\u306f\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u306eA\uff5eZ\u306b\u9650\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u601d\u3048\u307e\u3059\u304c\u3001\u305d\u308c\u306f\u8868\u9762\u7684\u306a\u5236\u9650\u3060\u3051\u306a\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u30d6\u30ed\u30b0\u8a18\u4e8b\u300c<a href=\"https:\/\/www.ryanliptak.com\/blog\/windows-drive-letters-are-not-limited-to-a-z\/\">Windows drive letters are not limited to A-Z<\/a>\u300d\u306f\u3001Windows\u306e\u5185\u90e8\u69cb\u9020\u3092\u63a2\u308a\u3001A\uff5eZ\u4ee5\u5916\u306e\u6587\u5b57\u3067\u3082\u30c9\u30e9\u30a4\u30d6\u30ec\u30bf\u30fc\u304c\u6210\u7acb\u3059\u308b\u3053\u3068\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u8a18\u4e8b\u306b\u3088\u308b\u3068\u3001Windows\u306e\u30c9\u30e9\u30a4\u30d6\u30ec\u30bf\u30fc\u306f\u5b9f\u306f A\uff5eZ\u306b\u9650\u5b9a\u3055\u308c\u3066\u304a\u3089\u305a\u3001<code>subst<\/code> \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3048\u3070 <code>+:\\<\/code> \u3084 <code>\u20ac:\\<\/code> \u306e\u3088\u3046\u306a\u975e\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u306e\u30c9\u30e9\u30a4\u30d6\u3092\u4f5c\u6210\u53ef\u80fd\u3068\u306e\u3053\u3068\u3002<\/p>\n<p>\u4ee5\u4e0b\u306f\u3001C<code>:\\foo<\/code>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3078\u306e\u30a8\u30a4\u30ea\u30a2\u30b9\u3068\u3057\u3066\u30c9\u30e9\u30a4\u30d6<code>+:\\<\/code> \u3092\u4f5c\u6210\u3059\u308b\u4f8b\u3067\u3059:<\/p>\n<pre>\r\nsubst +: C:\\foo\r\n<\/pre>\n<p><code>+:\\<\/code>\u30c9\u30e9\u30a4\u30d6\u306fcmd.exe\u3067\u306f\u666e\u901a\u306b\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n<pre>\r\n> cd \/D +:\\\r\n\r\n+:\\> tree .\r\nFolder PATH listing\r\nVolume serial number is 00000001 12AB:23BC\r\n+:\\\r\n\u2514\u2500\u2500\u2500bar\r\n<\/pre>\n<p>\u5b9f\u306f\u3001\u30c9\u30e9\u30a4\u30d6\u30ec\u30bf\u30fc\u306e\u6b63\u4f53\u306f\u300c<strong>Object Manager<\/strong>\u300d\u306b\u767b\u9332\u3055\u308c\u305f<strong>\u30b7\u30f3\u30dc\u30ea\u30c3\u30af\u30ea\u30f3\u30af<\/strong>\u3067\u3059\u3002Win32\u30d1\u30b9 (<code>C:\\foo<\/code>)\u306f\u5185\u90e8\u3067 NT\u30d1\u30b9\u306e(<code>\\??\\C:\\foo<\/code>)\u306b\u5909\u63db\u3055\u308c\u3001\u6700\u7d42\u7684\u306b<code>\\Device\\HarddiskVolumeX\\foo<\/code>\u3078\u3068\u89e3\u6c7a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>Object Manager\u306f\u3001\u540d\u524d\u4ed8\u304d\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u8ffd\u8de1\u3092\u62c5\u5f53\u3057\u3066\u304a\u308a\u3001<code>C:<\/code>\u3092\u5358\u306a\u308b\u30b7\u30f3\u30dc\u30ea\u30c3\u30af\u30ea\u30f3\u30af\u3068\u3057\u3066\u6271\u3048\u308b\u3088\u3046\u306b\u3001<code>+:<\/code>\u3084 <code>\u20ac:<\/code>\u3092\u6271\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<code>subst \u20ac: C:\\foo<\/code> \u306e\u3088\u3046\u306b\u30e6\u30fc\u30ed\u8a18\u53f7\u3084\u30ae\u30ea\u30b7\u30e3\u6587\u5b57\u3092\u30c9\u30e9\u30a4\u30d6\u30ec\u30bf\u30fc\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u306e\u3067\u3059(\u305f\u3060\u3057\u8a2d\u5b9a\u3059\u308b\u6587\u5b57\u306f\u3001UTF-16\u306e\u7bc4\u56f2\u5185\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3068\u3044\u3046\u5236\u9650\u306f\u5b58\u5728\u3057\u307e\u3059)\u3002<\/p>\n<h2>\u5b9f\u7528\u4e0a\u306e\u5236\u7d04<\/h2>\n<p><code>+:\\<\/code> \u3084 <code>\u20ac:\\<\/code> \u306f\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3067\u306f\u52d5\u4f5c\u3059\u308b\u3082\u306e\u306e\u3001\u30a8\u30af\u30b9\u30d7\u30ed\u30fc\u30e9\u30fc\u3084PowerShell\u3067\u306f\u8a8d\u8b58\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2025\/12\/explorer.jpg\" alt=\"\" width=\"379\" height=\"125\" class=\"aligncenter size-full wp-image-131913\" \/><\/p>\n<p>UTF-16\u306e\u5236\u7d04\u306b\u3088\u308a\u3001\u30b5\u30ed\u30b2\u30fc\u30c8\u30da\u30a2\u3092\u542b\u3080\u6587\u5b57\u306f\u30c9\u30e9\u30a4\u30d6\u30ec\u30bf\u30fc\u3068\u3057\u3066\u4f7f\u3048\u306a\u3044\u3068\u3044\u3046\u5236\u9650\u3082\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001<code>SetVolumeMountPointW<\/code> API\u3067\u306f\u30e6\u30fc\u30ed\u8a18\u53f7\u304c\u300c\u00ac\u300d\u306b\u5909\u63db\u3055\u308c\u308b\u306a\u3069\u3001\u672a\u5bfe\u5fdc\u6587\u5b57\u306f\u4e88\u671f\u305b\u306c\u7d50\u679c\u3092\u751f\u3080\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p><a href=\"https:\/\/news.ycombinator.com\/item?id=46096556\">Hacker News<\/a>\u3067\u3082\u3053\u306e\u8a18\u4e8b\u306f\u6ce8\u76ee\u3055\u308c\u3066\u304a\u308a\u3001<code>\u20ac:\\<\/code> \u306e\u3088\u3046\u306a\u975eASCII\u30c9\u30e9\u30a4\u30d6\u30ec\u30bf\u30fc\u304c\u52d5\u4f5c\u3059\u308b\u3053\u3068\u306b\u9a5a\u304d\u306e\u58f0\u304c\u5bc4\u305b\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001NT\u30ab\u30fc\u30cd\u30eb\u306e\u5185\u90e8\u69cb\u9020\u306e\u67d4\u8edf\u3055\u306b\u6bd4\u3079\u3001\u30e6\u30fc\u30b6\u30fc\u5411\u3051\u306eUI\u304c\u5236\u9650\u3055\u308c\u3066\u3044\u308b\u70b9\u304c\u9762\u767d\u3044\u3068\u3082\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6280\u8853\u8005\u306b\u3068\u3063\u3066\u306f\u300c\u9762\u767d\u3044\u30c8\u30ea\u30d3\u30a2\u300d\u3067\u3042\u308b\u3082\u306e\u306e\u3001\u975e\u6a19\u6e96\u30c9\u30e9\u30a4\u30d6\u30ec\u30bf\u30fc\u306f\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u3067\u306f\u3068\u3044\u3046\u6307\u6458\u3082\u3042\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u9762\u304b\u3089\u306e\u61f8\u5ff5\u3082\u5bc4\u305b\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Windows\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3068\u3044\u3048\u3070C:\u3084D:\u3068\u3044\u3063\u305f\u30c9\u30e9\u30a4\u30d6\u30ec\u30bf\u30fc\u304c\u7279\u5fb4\u3067\u3059\u3002\u30c9\u30e9\u30a4\u30d6\u30ec\u30bf\u30fc\u306f\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u306eA\uff5eZ\u306b\u9650\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u601d\u3048\u307e\u3059\u304c\u3001\u305d\u308c\u306f\u8868\u9762\u7684\u306a\u5236\u9650\u3060\u3051\u306a\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002 \u30d6\u30ed\u30b0\u8a18\u4e8b\u300cWi [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":131915,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[3],"tags":[3298],"class_list":["post-131912","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-windows"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/131912","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=131912"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/131912\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/131915"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=131912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=131912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=131912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}