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This chapter is from the book

The OpenBoot Interface

Objective: Execute basic boot PROM commands for a SPARC system.

The OpenBoot firmware provides a command-line interface for the user at the system console called the Forth Monitor.

The Forth Monitor is an interactive command interpreter that gives you access to an extensive set of functions for hardware and software diagnosis. Sometimes you’ll also see the Forth Monitor referred to as new command mode. These functions are available to anyone who has access to the system console.

The Forth Monitor prompt is ok. When you enter the Forth Monitor mode, the following line displays:

Type help for more information 
ok
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