active root directory in the case of c and d C and D both refer to drives and hard drives so in this case dos is asking for the correct directory of drives c and d because the old directory no longer exists.
C:\ is the root directory C:\folder\ is sub directory
C is the root directory in most but where ever the drive on which the windows is installed
Active directory is held in the sysvol folder in the C drive.
root directory is the top of the directory tree. it is \ on windows (or c:\ d:\ etc.) and / on unix/linux
Root directory is the highest level directory and this is the directory that appears first on the screen when you start MS-DOS. Generally, 'C' Drive appears on the MS-DOS screen as root directory.
The root directory.
Pagefile.sys
Pagefile.sys
C:/windows/System32/ntds.dit
In hierarchical file systems such as Windows, the root directory (which really isn't a directory at all) is basically the starting point in the hierarchy. In most Windows systems this is known as C:\.
type at DOS prompt CD c:\
C:\inetpub\wwwroot