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Complete CL: The Definitive Control Language Programming Guide, Fourth Edition by Ron Hawkins, Doug Pence, Ted Holt, Kevin Forsythe, Ernie Malaga

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Chapter 15. Sign-On Programs

So-called sign-on programs (more accurately called initial programs) are special programs that run when a user signs on to the system. The sign-on program is indicated in the user profile’s initial program (INLPGM) attribute. With INLPGM (*NONE) in a user’s profile, the system doesn’t run any program at sign-on and shows the initial menu immediately. If the user has a value other than *NONE in the INLPGM attribute, the system runs the indicated program before it presents the initial menu. With INLMNU(*SIGNOFF) in a user’s profile, the user is signed off when the user’s sign-on program ends.

You can write sign-on programs in any language, but they are commonly written in CL because they usually need to manipulate objects, ...

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