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中国DOS联盟论坛 » DOS学习入门 & 精彩文章（教学室） » Ask about the problem of CD jumping directories View 2,032　Replies 7

Original Poster Posted 2008-11-05 17:39　·　中国河南郑州联通

tiankongshang

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Why can't I jump to the text under drive D by using `cd d:\text` in the root directory of drive C now?

Floor 2 Posted 2008-11-05 18:08　·　中国重庆电信

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cd /d D:\text

Floor 3 Posted 2008-11-05 21:46　·　中国河南郑州联通

tiankongshang

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Can the friend of the 2nd floor answer again what does cd /d mean? I check the reference book and there is no /d switch for cd

Floor 4 Posted 2008-11-05 22:24　·　中国上海虹口区电信

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There is no /d switch under DOS. Under DOS (if using your own COMMAND.COM), you can't directly change the drive letter and directory at the same time. If you do "cd d:\text", and d: is already in the \text directory, you still need to type d: to do so.

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投票调查：
http://www.cn-dos.net/forum/viewthread.php?tid=46187

本人尚未解决的疑难问题：
http://www.cn-dos.net/forum/viewthread.php?tid=15135
http://www.cn-dos.net/forum/viewthread.php?tid=47663
http://www.cn-dos.net/forum/viewthread.php?tid=48747

Floor 5 Posted 2008-11-06 01:07　·　美国惠普HP

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The reason is in floor 4.
/d is a switch only available in cmd.

Microsoft Windows XP
(C) Copyright 1985-2001 Microsoft Corp.

C:\Test>cd /?
Displays the name of or changes the current directory.

CHDIR
CHDIR
CD
CD

.. Specifies that you want to change to the parent directory.

Type CD drive: to display the current directory in the specified drive.
Type CD without parameters to display the current drive and directory.

Use the /D switch to change current drive in addition to changing current
directory for a drive.