Add or Remove solution using Powershell in SharePoint 2010

From the Start menu, select All Programs > Microsoft SharePoint 2010 Products > SharePoint 2010 Management Shell

Deploy solutions using powershell

Add-SPSolution -LiteralPath C:\Users\jinivthakkar\Desktop\MySolution.wsp

Install-SPSolution -Identity HitCounter.wsp -WebApplication http://myserver03:8888 -GACDeployment –CASPolicies

Get-SPSolution MySolution.wsp

Reference : http://technet.microsoft.com/en-us/library/ff607534%28v=office.14%29.aspx

                   http://technet.microsoft.com/en-us/library/ff607552%28v=office.14%29.aspx

                   http://technet.microsoft.com/en-us/library/ff607754%28v=office.14%29.aspx

Removing solution

Retract Solution from SharePoint Farm

Uninstall-SPSolution -Identity MySolution.wsp -WebApplication http://myserver03:8888

Remove solution from SharePoint Farm

Remove-SPSolution -Identity MySolution.wsp

Reference : http://technet.microsoft.com/en-us/library/ff607873%28v=office.14%29.aspx

                   http://technet.microsoft.com/en-us/library/ff607709%28v=office.14%29.aspx

http://community.bamboosolutions.com/blogs/sharepoint-2010/archive/2010/12/16/sharepoint-2010-cookbook-how-to-deploy-or-remove-a-solution-package-using-powershell-commands.aspx