> a) Not all keyboards have Home/End keys (macbooks for example). Macbooks all support fn + arrows to do page up/down, home and end. fn + left = home fn +

> a) Not all keyboards have Home/End keys (macbooks for example). Macbooks all support fn + arrows to do page up/down, home and end. fn + left = home fn + end = end fn + up = page up fn + down = page down It seems annoying at first to not have a dedicated key, but after a week my muscle memory started working and I've never noticed it again.