It's the single greatest feature of any Unix desktop. Click and drag to select a section, or double click to select a word, or triple click to select a line, th

It's the single greatest feature of any Unix desktop. Click and drag to select a section, or double click to select a word, or triple click to select a line, then middle click to paste. All without leaving the mouse or the touchpad. I buy laptops with physical mouse keys by the touchpad to middle click easily.