7 Turning Off Your System
Chapter Overview .......................................... 7–1
Before You Begin ........................................... 7–2
Shutting Down the System ................................... 7–3
Halting the System ......................................... 7–5
8 Maintaining Your System
Chapter Overview .......................................... 8–1
Before You Begin ........................................... 8–2
Maintaining the System Unit and Keyboard . . . ................... 8–2
Cleaning the Monitor ........................................ 8–4
Cleaning the Mouse ......................................... 8–4
Part II Advanced Operations
9 Using Console Commands
Chapter Overview .......................................... 9–1
Before You Begin ........................................... 9–2
Modes of System Operation .................................. 9–3
Console Mode User Interface .................................. 9–4
Console Commands ......................................... 9–6
The boot Command ......................................... 9–9
The continue Command . . . ................................... 9–13
The halt Command ......................................... 9–13
The help Command ......................................... 9–14
The help advanced Command ................................. 9–15
The set or setenv Command ................................... 9–16
The show or printenv Command ............................... 9–17
The test Command .......................................... 9–18
10 Changing Environment Variables
Chapter Overview .......................................... 10–1
Before You Begin ........................................... 10–2
Available Environment Variables ............................... 10–2
Displaying Current Environment Variables ....................... 10–4
Changing the Default Startup Action (auto_action) ................. 10–5
Changing the Default Boot Device (bootdef_dev) ................... 10–7
Changing the Default Diagnostic Startup Mode (diag_quick) .......... 10–9
Changing the Default Keyboard Language (language) ............... 10–10
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