-Condor_submit_dag creates a normal Condor submit file, and then (unless the -no_submit flag is given) calls condor_submit on that file. If the DAG file is foo.dag, the submit file will be foo.dag.condor.sub. +Condor_submit_dag creates a normal Condor submit file, and then (unless the =-no_submit= flag is given) calls condor_submit on that file. If the DAG file is _foo.dag_, the submit file will be _foo.dag.condor.sub_.