Powershell for .NET and SQL developer

Though I'm working in .NET application for long time I never use powershell in my applicatinos. I would like to know answers for below questions. Please clarify me.


What is powershell?  Where practically I could use it?

 As a .NET and SQL developer what are the frequently used commands I should know of Powershell?
LVL 16
Easwaran ParamasivamAsked:
Who is Participating?
 
Jens FiedererTest Developer/ValidatorCommented:
You can list all the commands with simply
    get-command

Pretty much all the real basics are what you would expect -- you could do "cd", "dir", "pwd" just like in the regular shell.   You can do variable assignments like
$a = 4
or
$b = dir
and then
write $b (to see the directory you stored)
or do logic like


if ( $a -eq 4) { write $b }

I'd recommend going through an introduction like
http://technet.microsoft.com/en-us/library/hh857337.aspx
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Jens FiedererTest Developer/ValidatorCommented:
Powershell is essentially a more powerful replacement for COMMAND.COM that plays nicely with the Windows architecture.

It would normally be used mostly by administrators -- I have VERY rarely used it as a developer -- but as a developer you might be asked to write "cmdlets" for Powershell (unlike regular executables, these can be loaded and executed in the actual Powershell process without starting up a new process).
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Easwaran ParamasivamAuthor Commented:
Thanks. Could you please share the basic commands for a .NET and SQL developers should be aware or know?
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