Wsp Solution file add,Install,Update,Uninstall,Remove using with Powershell

To Add the Solution in Sharepoint

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Add-SPSolution C:\YourFolder\SampleWebPart.wsp

To Install the Solution to your Sharepoint

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Install-SPSolution -identity SampleWebPart.wsp -WebApplication http://yoursharepointserver -GACDeployment

To Update your Solution in Sharepoint
you will need this if you want to update the Webpart that is already installed

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Update-SPSolution –Identity SampleWebPart.wsp –LiteralPath C:\YourFolder\SampleWebPart.wsp –GACDeployment

Now if something went horribly wrong or you just want to uninstall it you have to run this two commands

To Uninstall a Solution in Sharepoint

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Uninstall-SPSolution –Identity SampleWebPart.wsp –WebApplication http://yoursharepointserver

then

Remove a solution from Sharepoint

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Remove-SPSolution –Identity SampleWebPart.wsp