For JES jobs

The syntax is:
dataset [<|= condcode]
where:
dataset
Specifies the JES job data set or the name of a member of a partitioned data set.
condcode
Specifies the condition code that indicates successful job completion. If preceded by < , the condition code must be less than or equal to this value. If preceded by =, the condition code must be equal to this value. If omitted, “ = 0000? is used. Note that there must be a space on both sides of the operator (< or =).