Changing the Default Boot Device (bootdef_dev)
Command
Syntax
To set the
bootdef_dev
environment variable, enter the following
command:
>>> set bootdef_dev
device
Return
Enter the device from which you want your system to boot. If
you do not know which devices your system contains, enter the
show device
command as the next section explains.
Listing
Available
Devices
To see a list of devices installed in your system, issue the
show
device
command at the console prompt and press the Return
key. The system responds with a display similar to that shown
in Figure 10–1.
Figure 10–1 The show device Display
>>> show device
Return
BOOTDEV ADDR DEVTYPE NUMBYTES RM/FX WP DEVNAM REV
------- ---- ------- -------- ----- -- ------ ---
ESA0 08-00-2B-12-00-9C
DKA0 A/0/0 DISK 426.25MB FX RZ25 0700
DKA100 A/1/0 DISK 426.25MB FX RZ25 0700
DKA400 A/4/0 RODISK ..... RM WP RRD42 4.3d
..HostID.. A/7 INITR
..HostID.. B/7 INITR
Understanding
the show
device Display
The
show device
command displays several columns of
information. The sample
show device
display indicates that
there are two RZ25 devices installed in the system, with device
names DKA0 and DKA100, as well as an RRD42 compact disc
drive with device name DKA400. For a complete description of
the
show device
command, see Chapter 14.
10–8 Changing Environment Variables
