stsadm - upgrade solution script + deploy solution force

stsadm -o upgradesolution -name "Tatweer.Centers.Core.wsp" -filename "Tatweer.Centers.Core.wsp" -immediate -allowgacdeployment -allowcaspolicies

stsadm -o execadmsvcjobs

for deploying a solution with -force option

stsadm -o deploysolution -name "BackReport.wsp" -url "http:
//mdm-sp01:190" -immediate -allowgacdeployment -allowcaspolicies -force 



For updating the DLL File in sharepoint 2013 use the below script 

Set-location "C:\Users\ahindash\Desktop\Clearance\Finance"
[System.Reflection.Assembly]::Load("System.EnterpriseServices, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")            
$publish = New-Object System.EnterpriseServices.Internal.Publish            

$publish.GacInstall("C:\Users\ahindash\Desktop\Clearance\Finance\ServiceRequestWFV3.dll")

Parameters: the first one for the path of the folder the second one is for the file path