UP1500 User’s Manual
Chapter 4 Software Support
UP1500 800-A1
4-15
show
envar
The
show envar
command displays the current value (or setting) of an
environment variable. The syntax is:
show envar
Example 4-11 Using show
envar
>>>show os_type
>>>unix
4.2.8
Environment Variable Summary
Environment variables pass configuration information between the SRM Console
and the operating system. Their settings determine how the system powers up,
boots the operating system, and operates. Environment variables are set or
changed with the
set envar
command and returned to their default values with
the
clear envar
command. Their values are viewed with the
show envar
command.
Table 4-8 lists the environment variables. Detailed descriptions follow. The
environment variables are specific to the SRM Console.
envar
The name of the environment variable to be displayed. The
wildcard * displays all environment variables.
Table 4-8
Environment Variable Summary
Environment Variable
Function
auto_action
Specifies the SRM Console’s action at power-up,
a failure, or a reset.
bootdef_dev
Specifies the default boot device string.
boot_osflags
Specifies the default operating system boot flags.
com*_baud
Changes the default baud rate of the COM1 or
COM2 serial port.
console
Specifies the device on which power-up output is
displayed (serial terminal or graphics monitor).
ei_mode
Specifies the connection type of the default
Ethernet controller. In this case, the controller is an
Intel controller.
ew*0_mode
Specifies the connection type of the default
Ethernet controller. In this case, the controller is
a Digital Equipment Corporation controller.
ew*0_protocols
Specifies network protocols for booting over the
Ethernet controller.
