378 Introduction to the New Mainframe: z/VSE Basics
devices, they must be defined to z/VSE during IPL with so-called ADD
statements (see 15.3.3, “IPL and system startup” on page 380). Adding,
changing, or deleting devices is supported by the hardware configuration dialog.
This dialog maintains the ADD statements, and the changed I/O configuration
will then be used at the next IPL.
15.2.7 Customization parameters for the z/VSE configuration
Besides the I/O device configurations and the parameters specified in 15.3.3,
“IPL and system startup” on page 380, there are a lot more parameters and
commands to modify the z/VSE configurations. To mention all of them would
exceed the limits of this book. But for two of them we should have a short look: ...