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This course provides a general overview of the startup process, presents an introduction to OpenBoot, and gives specifics on /sbin/init, run levels, and run control scripts. Specific details on the OpenBoot firmware and kernel loading are also included.
Objectives:
After completing this course, students will be able to:
- Access the OpenBoot environment and run commands to gather system information
- Identify the OpenBoot architecture
- Use commands to create and manipulate custom device aliases
Topics:
- OpenBoot environment
- OpenBoot architecture
- OpenBoot interface
- PROM full device names
- OpenBoot device aliases
- OpenBoot non-volatile RAM (NVRAM)
- OpenBoot security
- OpenBoot diagnostics
- Input and output control
- boot
- Kernel
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