Statement summary

Table 1. FORMAT Summary
Variable	Value
Required/Optional Statement	Required
Statement Default	None
Placement in Initialization Stream	The FORMAT statement must precede the ENDJSAM statement.
Coding Considerations	The maximum number of FORMAT statements is 1024. After initialization completes, replace FORMAT statements in the initialization stream with TRACK statements otherwise JES3 issues a warning message each time it encounters a FORMAT statement for a formatted spool data set.
Security Usage	None
Performance Considerations	None
Initialization Stream Overrides	None
Restart or Command Modification	Cold start, warm start, or hot start with refresh for all parameters. *MODIFY CONFIG can be used to add, remove or modify spool extents.