change working env: run levels

Question 1

to verify which run level you are currently in.

Answer 1

runlevel command

Question 2

to change run levels you can alus use the init cmd followed by the run number you
want to change to.

Answer 2

telinit command

Question 3

in order to change run levels,

Answer 3

we have to be the root user.

Question 4

source default run level

Answer 4

/etc/inittab file

Question 5

interrupt GRUB boot process by pressing any key during startup
then at GRUB selection menu
hilight a kernel to modify
press the a key to add args to the end of a kernel line
ener in run level number

Answer 5

change run level at boot