What drive letter after Z: ?

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DOS 有 A-Z 26 個磁碟機代號限制,
Windows 2000 以後的 Windows 作業系統仍是有這個限制,
但是可以把磁碟掛載在現有的 NTFS 空目錄上(如何在 Windows XP 中建立和使用 NTFS 掛接磁碟機), 類似 unix 系統的作法.
可以再用 subst 把目錄對應到數字或特殊字元的磁碟機代號(例如: 1: 2: !: @:)
但是這些磁碟機代號在檔案總管無法顯示與管理.
就實體掛載磁碟機代號來看, 本題的答案是 There is no drive letter after Z:
還好就實務面來看, 用完 A-Z 26 個磁碟機代號的機會不大.

ref. Windows 磁碟磁窮 | Drive letter assignment

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