Appendix D. Windows PowerShell FAQ

This appendix answers many questions that come up when I teach Windows PowerShell classes and when making Windows PowerShell presentations at various events.

Q:
Q. How many cmdlets are available on a default Windows PowerShell 3.0 installation?

A:
A. 403

Q:
Q. How do you find out how many cmdlets are available on a default Windows PowerShell installation?
A:
A. Use the following:
Get-Module -ListAvailable | Import-Module ; gcm -co cmdlet | measure
Q:
Q. What is the difference between a read-only variable and a constant?

A:
A. A read-only variable is one whose content is read-only. You can, however, modify it by using the Set-Variable cmdlet with the -force parameter. You can also delete it by using Remove-Variable ...

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Windows PowerShell™ 3.0 Step by Step by Ed Wilson

Appendix D. Windows PowerShell FAQ

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Q:	Q. How many cmdlets are available on a default Windows PowerShell 3.0 installation?
A:	A. 403
Q:	Q. How do you find out how many cmdlets are available on a default Windows PowerShell installation?
A:	A. Use the following: Get-Module -ListAvailable \| Import-Module ; gcm -co cmdlet \| measure
Q:	Q. What is the difference between a read-only variable and a constant?
A:	A. A read-only variable is one whose content is read-only. You can, however, modify it by using the Set-Variable cmdlet with the -force parameter. You can also delete it by using Remove-Variable ...