hotbar

hi gang
i have 2 questions
A.how do i get rid of hotbar
b.what is the eqivelant deltree command in winxp.
oh yeh while iam here just one more ,, in order to enter the boot menu ie, the last good configuration screen in xp what is the hotkey,,alt+f4 worked on one pc but not on another and f8 dont work cause ive tried
tanx in advance. 😉