▁of ▁context - switch ing , ▁the ▁servers ▁keep ▁track ▁of ▁the ▁state ▁of ▁each ▁end ▁user , ▁allowing ▁consecutive ▁interactions ▁from ▁a ▁single ▁user ▁to ▁be ▁handled ▁by ▁different ▁server ▁processes . ▁The ▁graph ical ▁user ▁interface ▁( G UI ) ▁code ▁is ▁also ▁propriet ary . ▁ ▁Key board ▁ ▁Michael ▁Blo om berg ' s ▁ 1 9 9 7 ▁aut obi ography ▁contains ▁a ▁chapter ▁entitled ▁Comput ers ▁for ▁Vir g ins , ▁which ▁explains ▁the ▁differences ▁in ▁the ▁design ▁of ▁the ▁terminal ▁and ▁its ▁keyboard ▁from ▁the ▁standard ▁IBM ▁PC ▁keyboard ▁layout ▁that ▁was ▁popular ▁at ▁that ▁time . ▁The ▁terminal ' s ▁keyboard ▁layout ▁was ▁designed ▁for ▁trad ers ▁and ▁market ▁mak ers ▁who ▁had ▁no ▁prior ▁computer ▁experience . ▁The ▁look ▁and ▁feel ▁of ▁the ▁Blo om berg ▁keyboard ▁are ▁similar ▁to ▁an ▁ordinary ▁computer ▁keyboard , ▁with ▁several ▁enh anc ements ▁which ▁help ▁users ▁navigate ▁through ▁the ▁system . ▁ ▁Key board ▁keys ▁are ▁commonly ▁referred ▁to ▁inside ▁angle ▁brackets ▁with ▁full ▁commands ▁being ▁contained ▁in ▁cur ly ▁brackets   ▁e . g ., ▁{ V OD ▁L N ▁ ▁} . ▁The ▁function ▁key ▁names ▁and ▁then - standard ▁be ige ▁colour ▁of ▁an ▁ordinary ▁keyboard ▁were ▁changed ▁from ▁the ▁technical ▁name , ▁e . g ., ▁F 1 0 , ▁to ▁a ▁memor able ▁colour ▁and ▁name , ▁e . g ., ▁Y ellow . ▁The ▁F 1 0 ▁key ▁is ▁thus ▁a ▁Y ellow ▁key ▁named ▁. ▁The ▁ ▁is ▁col oured