ntsysv is the text-mode service manager for Red Hat Linux. It is quite a bit simpler to use than tksysv, mainly because it deals with things one run level at a time.
To start ntsysv, type the command ntsysv --level <runlevel>, in which <runlevel> is the run level you want to edit. To edit multiple run levels with ntsysv, list them all (for example, 234).
Log in as root.
Issue the command ntsysv --level <runlevel> in which <runlevel> is the number of the run level you want to edit.
Use the up and down arrow keys to move to the service that you want to modify.
Press the Spacebar to turn the service on or off for the run level.
Repeat steps 3 and 4 to turn any additional ...