Windows PowerShell has a set of predefined functions for each drive letter, with a definition of
Set-Location < drive letter > . In the previous example, entering C: sets the current location back to
the previous location at the root of drive C:\ .
Navigating Windows PowerShell drives is not exactly as straightforward as navigating a file system
drive. There are some distinctions you ??™ ll need to keep in mind to use them effectively. The items and
structure of these drives differ greatly from file system items. The Alias, Environment, Function,
and Variable drive spaces are all flat, with only a root level and no hierarchy. You will also find that
some item cmdlets do not work as expected on certain drive items due to the way the items are defined.
Navigating the Certificate and Registry drives offers some additional challenges due to the somewhat
complicated nature of the hierarchical structures and item properties. Working with the Windows
Registry using the Registry drives is discussed in further detail later in this chapter.
Fortunately most Exchange administrative tasks can be handled by available cmdlets so you may never
have to navigate the non - file drives. Users who need to handle more sophisticated tasks, especially those
that are automated via scripting, may find it necessary to learn how to work directly with these drives.
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