INITTAB

telinit S                Switches to single user mode.
telinit 2                Switches to multi user mode.
telinit q                Re-examines /etc/inittab

lsitab -a                Lists all entries in inittab
lsitab (ident eg tty1)   Lists the tty1 entry in inittab 

mkitab ("details")       Creates a new inittab entry
chitab ("details")       Ammends an existing inittab entry

rmitab (ident eg tty1)   Removes an inittab entry.

chitab "tty1:2:respawn:/usr/bin/getty /dev/tty1"