C:\Windows\System32\drivers oddness

[Max Polk <maxpolk at gmail dot com>]

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".

Same run normally or as administrator, CYGWIN env var unset.

Even more strange, the windows commands attrib and cacls (launched from 
bash) can't find the "etc" directory.  When run from cmd.exe (not as 
administrator) it can list "etc", and attrib and cacls works on "etc".  
Strange that windows commands can't see things launched from bash.exe, 
but can see things launched from cmd.exe.

Are either of these bugs, or is some mysterious feature of Windows 
exhibiting itself?  I ran into this trying to find the "hosts" file (in 
this mysterious drivers dir under etc) and thinking it didn't exist, 
then figuring out this oddness.

===BASH===

$ cd /c/Windows/System32/drivers

$ ls
./   1025_ACER_ACER_AM3470.MRK*  gm.dls* MOD01SET0500Z600GT.enc*  
wimmount.sys*
../  en-US/                      gmreadme.txt*  UMDF/

$ ls -ld etc
drwxrwx---+ 1 ???????? ???????? 0 Jul 13  2009 etc/

$ ls etc
./  ../  hosts*  lmhosts.sam*  networks*  protocol*  services*

$ cacls etc
The system cannot find the file specified.

$ attrib etc
File not found - etc

$ getfacl etc
# file: etc
# owner: ????????
# group: ????????
user::rwx
group::rwx
other:---
mask:rwx
default:group:????????:rwx
group:SYSTEM:rwx
default:group:SYSTEM:rwx
group:root:rwx
default:group:root:rwx
group:Users:r-x
default:group:Users:r-x
default:user::rwx
default:group::rwx
default:other:---
default:mask:rwx

===CMD.EXE===

C:\Windows\System32\drivers>dir
 Volume in drive C is [CENSORED]
 Volume Serial Number is [CENSORED]

 Directory of C:\Windows\System32\drivers

12/12/2013  07:46 PM    <DIR>          .
12/12/2013  07:46 PM    <DIR>          ..
07/13/2009  07:06 PM            68,096 1394bus.sys
11/20/2010  10:23 PM           229,888 1394ohci.sys
11/20/2010  10:23 PM           334,208 acpi.sys
11/20/2010  10:23 PM            12,800 acpipmi.sys
07/13/2009  08:52 PM           491,088 adp94xx.sys
07/13/2009  08:52 PM           339,536 adpahci.sys
07/13/2009  08:52 PM           182,864 adpu320.sys
...
07/13/2009  10:20 PM    <DIR>          etc
...
07/25/2012  09:26 PM           198,656 WUDFRd.sys
             319 File(s)     70,167,061 bytes
               6 Dir(s)  373,860,376,576 bytes free

C:\Windows\System32\drivers>dir etc
 Volume in drive C is [CENSORED]
 Volume Serial Number is [CENSORED]

 Directory of C:\Windows\System32\drivers\etc

07/13/2009  10:20 PM    <DIR>          .
07/13/2009  10:20 PM    <DIR>          ..
06/10/2009  04:00 PM               824 hosts
06/10/2009  04:00 PM             3,683 lmhosts.sam
06/10/2009  04:00 PM               407 networks
06/10/2009  04:00 PM             1,358 protocol
06/10/2009  04:00 PM            17,463 services
               5 File(s)         23,735 bytes
               2 Dir(s)  373,860,319,232 bytes free

C:\Windows\System32\drivers>cacls etc
C:\Windows\System32\drivers\etc NT SERVICE\TrustedInstaller:F
                                NT SERVICE\TrustedInstaller:(CI)(IO)F
                                NT AUTHORITY\SYSTEM:C
                                NT AUTHORITY\SYSTEM:(OI)(CI)(IO)F
                                BUILTIN\Administrators:C
BUILTIN\Administrators:(OI)(CI)(IO)F
                                BUILTIN\Users:R
                                BUILTIN\Users:(OI)(CI)(IO)(special access:)
GENERIC_READ
GENERIC_EXECUTE

                                CREATOR OWNER:(OI)(CI)(IO)F

C:\Windows\System32\drivers>attrib etc
             C:\Windows\System32\drivers\etc


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