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DOS疑难解答 & 问题讨论（解答室） » How to use DOS commands to view all drive letters of this computer? Count the number of drive letters?

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Floor1　cao7113	Posted 2008-05-06 12:15
初级用户　Posts 19　Credits 50
RT, how to use DOS commands to view how many hard disk drives the computer running the DOS command has, asking experts for the answer. Contact: sdcrj@sina.com, thank you!

Floor2　joyn	Posted 2008-05-06 14:09
中级用户　Posts 105　Credits 280　From 广西
@echo off title Query Drive Letters color 0a mode con lines=15 echo strComputer = "." > ./disk.vbs echo Set objWMIService = GetObject("winmgmts:\\" ^& strComputer ^& "\root\cimv2") >> ./disk.vbs echo Set colItems = objWMIService.ExecQuery("Select * from Win32_LogicalDisk",,48) >> ./disk.vbs echo For Each objItem in colItems >> ./disk.vbs echo WScript.Echo objItem.Description^&"="^& objItem.DeviceID >> ./disk.vbs echo Next >> ./disk.vbs cscript ./disk.vbs echo. echo. echo Press any key to exit..... pause >nul exit

Floor3　cao7113	Posted 2008-05-07 11:35
初级用户　Posts 19　Credits 50
Haha, it must be achievable using other means. Thanks for your sharing! But personally, I still want to get a pure DOS solution. DOS is called Disk Operating System. Theoretically, this function should be achievable. Maybe there are fewer internal materials in DOS, so this function seems difficult to achieve in our view. Maybe this problem is really not easy to solve, but fortunately, it can make us think more deeply during our usual study! Thanks!

Floor4　joyn	Posted 2008-05-07 13:09
中级用户　Posts 105　Credits 280　From 广西
If you think of sharing, come on~~ I haven't found the relevant command yet

Floor5　clong	Posted 2008-05-07 22:03
初级用户　Posts 54　Credits 121
Pure DOS commands, that is, commands running in DOS 7.1? This is a bit difficult...

Floor6　gmy	Posted 2008-05-07 22:51
版主　Posts 392　Credits 1,113
Under pure DOS, I have 5 tools that can solve your problem, assuming a mixed partition of FAT and NTFS: Tools that need to load the NTFS driver: func Tools that don't need to load the NTFS driver: dspt omnifs ghost gdisk The above may need to be combined with other string extraction tools like find and strings to have practical meaning (put into batch processing). Only the idea is provided, and you need to find the method yourself.

Floor7　joyn	Posted 2008-05-08 00:45
中级用户　Posts 105　Credits 280　From 广西
It can be done under CMD but not yet implemented in batch processing. First, enter diskpart by typing diskpart and pressing Enter under CMD. Then type list volume and press Enter to see all the disks on your machine. This hasn't been studied in batch processing yet. [ Last edited by joyn on 2008-5-8 at 12:47 AM ]

Floor9　tuxw	Posted 2010-09-23 17:47
新手上路　Posts 2　Credits 4
Pure DOS drv.exe \| find /C ":" This returns the total number of drive letters drv.exe \| find /C "A:" drv.exe \| find /C "B:" Floppy drives can be filtered out via batch processing Then use findcd.exe to filter out CD-ROM drive letters, and you'll get the number of hard drive letters [ Last edited by tuxw on 2010-9-22 at 21:52 ]