Quick Notes: SharePoint Solution Deployment Commands - PowerShell

------------Add Snippet-------------------------

"C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\CONFIG\POWERSHELL\Registration\SharePoint.ps1"

Add-PSSnapin Microsoft.SharePoint.PowerShell

------------Add Solution-------------------------

Add-SPSolution "E:\SPSolutions\SharePoint. Finance.wsp"

Install-SPSolution –Identity SharePoint.Finance.wsp –WebApplication " http://SPServer:1000/" –GACDeployment -force

------------Update  Solution-------------------------

Update-SPSolution –Identity SharePoint.Finance.wsp –LiteralPath "E:\SPSolutions\SharePoint. Finance.wsp" –GacDeployment

------------Add Feature------------------------

Install-SPFeature Feature1 -force

Enable-SPFeature –Identity Feature1 –url "http://SPServer:1000/sites/Finance/"

------------Remove Feature------------------------

Uninstall-SPFeature Feature1

Disable-SPFeature –Identity Feature1 –url "http://spserver:1000/sites/Finance/"   

Microsoft has provided a tool to design PowerShell commands for SharePoint
Check this...
http://www.microsoft.com/resources/TechNet/en-us/Office/media/WindowsPowerShell/WindowsPowerShellCommandBuilder.html