sharepoint powershell update-spsolution code example
Example: sharepoint powershell update-spsolution
Update-SPSolution -Identity contoso_solution.wsp
-LiteralPath c:\contoso_solution_v2.wsp
-GACDeployment
Update-SPSolution -Identity contoso_solution.wsp
-LiteralPath c:\contoso_solution_v2.wsp
-GACDeployment