Variants for report programs

A Report program can be executed in background in two ways:

Method 1:  First create a variant for the report.
                 Then Go to SE38-->Program-->Execute-->Background.
Method 2:  Go to sm36
                  Specify job name and Job class--> Step tab in the application tool bar
                  Specify program name
                  Specify variant --> Save it-->Save the job-->
                 Will get a message saying ' job has been scheduled'.
                 Go to tcode -->sm37-->check scheduled checkbox-->Execute.