This compiler-directing statement selectively suppresses or allows output to be
produced. The names *CONTROL and *CBL are synonymous. This statement is
described in "Controlling the Output Listing" in topic 3.10.4.4.
This library statement places prewritten text in a COBOL program. (For more
information on what you need to do at compile time to bring in copied code, see
"Using the COPY Facility" in topic 3.10.4.2.).
This statement is used to replace source program text. (For information on how
to use the REPLACE statement see "Using the REPLACE Statement" in topic
3.10.4.3.)
This statement specifies that a title (header) be printed at the top of each
page of the source listing. (See "Listing Header in the Identification
Division" in topic 3.1.1.1.)