A. Your PPP account is the one normally used. This account supports graphical use of the Internet through a protocol called “Point-to-Point”. Using PPP you can send and receive e-mail, browse the web, telnet to other computers, etc. A Shell account is a non-graphical, ascii-based unix command line. This account is used for uploading/downloading web pages, web maintenance, programming, and other activities that require actual use of the unix operating system.