Running script on boot up

[fenzda]

So in .kde/Autostart would I just add an executable script
with any name I'd like or would it have to be a .sh file?

This is all I need:
mount -rw /dev/sda4 /mnt/sda4
cd /mnt/sda4
runall

mount usb, make writeable, change directory, run script.

thanks!