Chapter 2. OpenBoot

The following test objectives are covered in this chapter:

• Understanding the OpenBoot environment, architecture, and interface

• Getting help in OpenBoot

• Using OpenBoot PROM commands to view system configuration information

• Understanding PROM full device names

• Understanding OpenBoot security

• Using OpenBoot PROM commands to perform basic hardware testing

• Using the boot command

• Loading the kernel

Chapter 1, "System Startup," provided a general overview of the startup process, presented an introduction to OpenBoot, and gave specifics on /sbin/init, run levels, and run control scripts. This chapter provides more details on the OpenBoot firmware and kernel loading.