Writing JCL for the loader

If you use cataloged procedures (rather than supply all of the JCL required for a job step that invokes the loader), you should be familiar with JCL statements for the loader so you can make the best use of the loader and, if necessary, override the statements of the cataloged procedure.

The following sections describe the basic JCL statements for loading. For a description of the IBM-supplied cataloged procedures that include a loader step, see Table 1.