HD Install :: about save dsl configuration

hello, i´m a new user of dsl and linux and i want to do some things about saving my configuration to avoid do changes after every reset but i´ve not found information. if sommeone can help me i write all of them:
1.save net configuration
2.clear desktop icons
3.avoid autocofigurating devices in every boot, i only have the hd,i don´t have cd,floppy,soundcard... so i want to acelerate the boot
4.execute some software in every boot
5.it´s possible to modify the bar wear appears floppy/cdrom,desktops,memory use,etc¿?
6.howto install .tar
lots of thx

original here.