????3. ???????????????????/etc/rc.d/rc.local??????????/etc/rc.d/rc3.d/S99local????????????/etc/rc.d/rc.local??S99local?????rc.local????????????????????????????????????????????????????shell???????????????裬?????????????rc.local?????????????shell??????????????????????????
????4. ??????????е?????????linux?????????X-Window?????????????tty1??tty2??tty3…?????????е??1??2??3??4????????????”/sbin/mingetty”???????????6????????linux????6???????????mingetty????????????
??????????6??????????”/etc/X11/prefdm-nodaemon”?????????X-Window
????????????????????
????PS: ?????????????????????????????????????ε?????