Explain the boot process?
Answer / sbrahman75
Boot process dived into 4 phases.
1. POST
2. OBPROM
3. KERNEL INITIALIZATION
4. INIT PHASES
POST: Power on self test, It will detect hardware, machine
host ID,serial No, architecture type, memory and Ethernet
address and it will load the primary program called bootblk.
OBP: Open boot programmable,
1.Diagnosing all the system hardware and memory.
2.Initializing the boot parameter.
3.Creating device trees and load the boot block
from (0-15 sector), it is called as
secondary boot programmable ufsboot.
KERNEL
INITIALIZATION: ufsboot load the kernel (generic unix),
kernel will load all the necessary
devices modules to mount the root
partition to continue the booting process.
Init Phase : It will started by executing of /etc/init
program and start other process reading the
/etc/inittab files, as the directory in
the /etc/inittab files. .
Is This Answer Correct ? | 6 Yes | 1 No |
How to modify network card speed
what is the difference between solaris 8&9,
Explain setuid, setgid and stickybit
How to mirror and unmirror a disk?
What is an alternative to the “top” command on Solaris?
how many clients have in our server ? how we find that?
how to configure samp in solaris 5.10 sparc architecture
what is mount ? in that what will happen exactly ?
What are printer daemon
Difference between LDOM and Domain?
what are the two conditions need to be taken before encapsulating the disk under the VxVm control(Veritas volume manager)
How to change network interface property in Solaris?