sys_attrs_bparm(5)sys_attrs_bparm(5)NAMEsys_attrs_bparm - bparm subsystem attributes
DESCRIPTION
This reference page lists and describes attributes for the Boot Parame‐
ters (bparm) kernel subsystem. Refer to the sys_attrs(5) reference page
for an introduction to the topic of kernel subsystem attributes.
Identifies the device from which the system was last booted.
This attribute corresponds to the console firmware environment
variable with the same name. Do not modify this value, which is
set when the system boots.
A combination of flags that controls the boot loader and kernel.
This attribute corresponds to the console firmware environment
variable with the same name. Values for the variable are: Boot
to multiuser mode. By default, the kernel boots to single-user
mode. Enable the kdebug debugger to debug the kernel. By
default, kdebug is not enabled in the kernel. Produce full
dumps when the system crashes. By default, partial dumps are
produced. Prompt for an alternate kernel and special arguments
when the system is booted. By default, no questions are asked.
Set boot_osflags only at the console prompt or by using the
consvar utility.
Identifies the boot device to be used when one is not included
in the boot command line. This attribute corresponds to the con‐
sole firmware environment variable with the same name. Set boot‐
def_dev only at the console prompt or by using the consvar util‐
ity.
SEE ALSO
Commands: consvar(8)
Others: sys_attrs(5)
System Administration
sys_attrs_bparm(5)
