C:\Windows\System32\drivers oddness

Robert Pendell shinji+cygwin@elite-systems.org
Sat Dec 28 01:21:00 GMT 2013


On Fri, Dec 27, 2013 at 6:46 PM, Buchbinder, Barry (NIH/NIAID) [E] <...> wrote:
> Corinna Vinschen sent the following at Thursday, December 26, 2013 1:32 PM
>>On Dec 26 11:11, Max Polk wrote:
>>> From the bash shell, sitting in the C:\Windows\System32\drivers
>>> directory, when I run "ls" I can see about 6 files/dirs total. The
>>> "etc" directory is mysteriously missing from the output of "ls", but
>>> present in the output of "ld -ld etc".  Strange that I can't list it
>>> with "ls", but I can list it with "ls -ld".
>>
>>You're running 32 bit Cygwin on 64 bit Windows. See
>>http://msdn.microsoft.com/en-us/library/windows/desktop/aa384187%28v=vs.85%29.aspx
>
> Might it be possible and worth the programming effort for System32 and
> SysWOW64, as appropriate, to automatically mounted via Sysnative by
> cygwin1.dll?  (Not a request - and I cannot contribute a patch.)
>
> I tried using mount (32 bit cygwin on 64 bit Windows 7 enterprise, v.
> 6.1) and couldn't get System32 and SysWOW64 to contain different files.
> Could anyone suggest a mount command line or an /etc/fstab entry that
> will do this?  Does it make a difference if /cygdrive has been mapped
> to /?
>
> http://cygwin.com/ml/cygwin/2010-07/msg00375.html has a work-around,
> but I don't have admin privileges so cannot use it.
>
> Thanks,
>
> - Barry
>   Disclaimer: Statements made herein are not made on behalf of NIAID.
>

If you are using 32-bit Cygwin on 64-bit Windows it only ever sees the
contents of the SysWOW64 folder.  You would need to run a 64-bit
version of Cygwin to see both contents at which point a mount wouldn't
be necessary.

Robert Pendell
A perfect world is one of chaos.

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