Bootup/Shutdown in HP unix

shutdown -r 0 –> reboot
shutdown -h now –> shutdown and halt
shutdown 0 –> shutdown to single user mode
reboot 0 –> reboot
init 1 – single user mode
hpux -is boots single user mode

1. Interupting the boot process:
a. Configuration Menu
b. Information Menu
c. Service Menu

2. GSP Mode
a. From the console hit
b. Hit at the GSP console login (default is no password)
c. Now low level commands can be entered
ps –> power status

To reboot to single user mode:

1. shutdown -r 0
2. hit during 10 sec window to interrupt reboot
3. enter:
4. interact with ipl? yes
5. hpux -is (i=init, s=single user)