SERIES               MEMNONIC                  COMMENT

hp-pnnl-2.4.20       linux-2.4.20-hp4_pnnl1    same as vanilla but no uml
vanilla-2.4.20       linux-2.4.20              patch includes uml
chaos-2.4.20         linux-chaos-2.4.20        same as rh-2.4.20-8
rh-2.4.20            linux-rh-2.4.20-8         same as chaos-2.4.20
rh-2.4.18-18         linux-rh-2.4.18-18        same as chaos but includes uml
chaos                linux-chaos-2.4.18        same as rh-2.4.18-18 but no uml

REVIEW:

vanilla-2.5          linux-2.5.63
hp-pnnl              linux-2.4.19-hp2_pnnl6