Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Windows\system32>dir C:\Windows\Microsoft.NET\assembly\GAC_64\System.Data\v4.0_4.0.0.0__b77a5c561934e089\System.Data.dll
Volume in drive C is Windows7 x64
Volume Serial Number is 289F-AF69
Directory of C:\Windows\Microsoft.NET\assembly\GAC_64\System.Data\v4.0_4.0.0.0__b77a5c561934e089
06/13/2012 21:55 3,116,376 System.Data.dll
1 File(s) 3,116,376 bytes
0 Dir(s) 18,510,327,808 bytes free
C:\Windows\system32>