IBM AS/400 manual Changing a

Changing a		Module	or	Program
An alternative is to compress the	object,	using		the	Compress Object
command. A compressed object takes	up less system storage than an un
pressed one. If the compressed	program	is	called,		the part of the

the runnable code is automatically decompressed. You can also decomp compressed object by using the Decompress Object (DCPOBJ) command.

For more information on these CL commands,CL seeR ferthence (Abridged).

Chapter 7. Creating a Program with the CRTRPGMOD and CRTPGM Commands89