Console Commands
A-16 AlphaStation 500 Series User Information
Environment Variables
Table A-6 shows selected environment variables and their descriptions. For a complete
list, type
show *
at the SRM prompt.
Table A-6 Environmental Variables
Variable
Description
auto
_
action
Sets/shows the console action following an error, halt, or power-
cycle. The action can be halt, boot, or restart. Halt is the default.
boot
_
file
Sets/shows the file name to be used when a bootstrap requires a
file name. The default setting is null.
boot
_
osflags
Sets/shows additional parameters to be passed to system
software. When using OpenVMS software, these parameters are
the system root number and boot flags. The default setting is 0,0.
bootdef
_
dev
Sets/shows the default device or device list from which the
system will attempt to boot. If the system software is preloaded,
the variable is preset to point to the device containing the
preloaded software. Otherwise, the default value is null.
console
Sets the console output to either serial port or the graphics
controller.
os
_
type
Sets/shows the specified operating system (NT, OpenVMS, or
Digital UNIX) that nonvolatile random-access memory
(NVRAM) will boot.
pci
_
parity
Controls PCI parity checking at the PCI bridge chip. Parity
checking is performed if on, disabled if off, and dependent on
the SCSI controller revision.
