invoke-command doesn't work as expected

invoke-command doesn't work as expected

References

Reference NO 1

http://stackoverflow.com/questions/15199683/invoke-command-doesnt-work-as-expected

Reference NO 2

http://stackoverflow.com/tags/invoke-command/hot

Reference NO 3

http://powershell.org/wp/forums/topic/invoke-command-to-set-psmodulepath/

Reference NO 4

http://social.technet.microsoft.com/Forums/scriptcenter/en-US/ead19612-5e7b-4012-8466-0d650232c7a5/action?threadDisplayName=invokecommand-and-startprocess

Reference NO 5

http://blogs.technet.com/b/heyscriptingguy/archive/2011/06/13/use-powershell-invoke-command-for-remoting.aspx

Reference NO 6

http://tldp.org/LDP/abs/html/internal.html

Reference NO 7

http://forums.iis.net/t/next/1182989

Reference NO 8

http://www.admin-magazine.com/Articles/PowerShell-Part-2-Manipulating-Services-Processes-and-Commands