Welcome to CentOS-4 o To install or upgrade a system running CentOS-4, press the  key. o To enable expert mode, type: expert . Press <3> for more information about expert mode. o To install using text mode, type text  o Use the numeric keys listed below at the beginning of input line for more information. [1-Main] [2-General] [3-Expert] [4-Rescue] [5-Kickstart] [6-Kernel]