HP AlphaServer DS25 Instrucciones de operaciones descargar pdf (Pagina 77)

3.1.4 boot_osflags

The boot_osflags environment variable sets the default boot flags and,

for OpenVMS, a root number.

Boot flags contain information used by the operating system to determine some

aspects of a system bootstrap. Under normal circumstances, you can use the

default boot flag settings.

To change the boot flags for the current boot only, use the flags_value argument

with the boot command.

The syntax is:

set boot_osflags flags_value

The flags_value argument is specific to the operating system.

Tru64 UNIX Systems

Tru64 UNIX systems take a single ASCII character as the flags_value argu-

ment.

Load operating system software from the specified boot device (auto-

boot). Boot to multiuser mode.

Prompt for the name of a file to load and other options (boot interac-

tively). Boot to single-user mode.

Stop in single-user mode. Boots /vmunix to single-user mode and stops

at the # (root) prompt.

Full dump; implies “s” as well. By default, if Tru64 UNIX crashes, it

completes a partial memory dump. Specifying “D” forces a full dump at

system crash.

Example

The following setting will autoboot Tru64 UNIX to multiuser mode when you

enter the boot command.

P00>>> set boot_osflags a

Booting and Installing an Operating System 3-7

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HP AlphaServer DS25 Instrucciones de operaciones Pagina 77