Defrag and some other exe not seen by cygwin on XP64

Larry Hall (Cygwin) reply-to-list-only-lh@cygwin.com
Fri Nov 14 09:36:00 GMT 2008


Bruce Dobrin wrote:
> This is weird
> 
> I couldn't find it in my search of the site;
> 
> I was on a XP64 machine and tried to run the defrag command from the Cygwin shell and it could not locate the command.  I could see the command via the cmd shell.  Below I cd usng the cmd shell on 64bit XP and using ls it is not seen and dir it is seen:
> 
> C:\WINDOWS\system32>ls |grep defrag
> 
> C:\WINDOWS\system32>dir |grep defrag
> 02/16/2007  08:33 PM            35,840 defrag.exe
> 
> C:\WINDOWS\system32>cacls defrag.exe
> C:\WINDOWS\system32\defrag.exe BUILTIN\Administrators:F
>                                NT AUTHORITY\BATCH:R
>                                Everyone:R
>                                NT AUTHORITY\INTERACTIVE:R
>                                NT AUTHORITY\SERVICE:R
>                                NT AUTHORITY\SYSTEM:F
> 
> I then copied the file in the cmd shell to c:\cygwin\ and then Cygwin can see it there:
> 
> dobrin@dodo:/c/WINDOWS/system32> ls -al ./defrag
> ls: cannot access ./defrag: No such file or directory
> dobrin@dodo:/c/WINDOWS/system32> cd /
> dobrin@dodo:/> ls -al ./defrag
> -rwx------+ 1 dobrin Domain Users 35840 Feb 16  2007 ./defrag
> 
> I confirmed that this isn't an issue on XP32 or Vista
> 
> 
> And Ideas?

Yes.  Call up a 32-bit cmd prompt and repeat the same tests.
You'll see the same results.  The 32-bit world cannot see the
64-bit world.  In other words, this is not Cygwin specific.

-- 
Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
216 Dalton Rd.                          (508) 893-9889 - FAX
Holliston, MA 01746

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