Changes

Boolean values (which can be either 1 or 0) are defined in PowerShell using the .Net ''System.Boolean'' type (the short from of which is [bool]). For example, the following command assigns ''true'' to a variable of boolean type:

Clearly, PowerShell will make a judgement judgment as to a value's type. Most of the time this is fine, but occasionally it is necessary to specifically specify the type. This is achieved using ''type casting''. Type casting involves preceding the value or variable with the short or long variable name enclosed in square brackets. For example, to force variable $x to be double (as opposed to the default Int32):