inittab

embedded xLinux root 5.4

::sysinit:/etc/init.d/rcS
tty1::respawn:/sbin/getty 9600 tty1
tty2::askfirst:-/bin/sh
#tty3::respawn:/sbin/getty 9600 tty3
::ctrlaltdel:/sbin/reboot
::shutdown:/bin/sync
::shutdown:/bin/umount -a -r

######
# only choose one function of following two on a serial port.
###

# remove '#' of next line to enable PPP server function, but ppp client function will not work
#ttyS0::respawn:/sbin/mgetty -D -a modem ttyS0

# remove '#' of next line to support serial console logins
#ttyS0::respawn:/sbin/getty -L 9600 ttyS0