System information

System Configuration and Setup
6-11
Table 6-1 Environment Variables Set During System
Configuration
Variable Attributes Description
auto_action NV,W
1
The action the console should take following an
error halt or power failure. Defined values are:
BOOT — Attempt bootstrap.
HALT — Halt, enter console I/O mode.
RESTART — Attempt restart. If restart fails, try
boot.
No other values are accepted.
bootdef_dev NV,W The device or device list from which booting is to
be attempted when no path is specified. Set at
factory to disk with factory-installed software;
otherwise
NULL
.
boot_file NV,W The default file name used for the primary
bootstrap when no file name is specified by the
boot command. The default value is NULL.
boot_osflags NV,W Default parameters to be passed to system
software during booting if none are specified by
the boot command.
OpenVMS: Additional parameters are the
root_number and boot flags. The default value is
NULL
.
root_number: Directory number of the system
disk on which OpenVMS files are located.
0 (default)—[SYS0.SYSEXE]
1—[SYS1.SYSEXE]
2—[SYS2.SYSEXE]
3—[SYS3.SYSEXE]
1
NV—Nonvolatile. The last value saved by system software or set by console commands is
preserved across system initializations, cold bootstraps, and long power outages.
W—Warm nonvolatile. The last value set by system software is preserved across warm
bootstraps and restarts.