/TBT (VAX and Alpha only) Positional qualifier. Specifies that the analysis should include all module traceback (TBT) records. If you want the analysis to include TBT records for each file in the parameter list, specify the /TBT qualifier immediately following the /OBJECT qualifier. If you want the analysis to include TBT records selectively, insert the /TBT qualifier immediately following each of the selected file specifications.