conventions This document uses the following conventions Descriptions Appearance Warnings Warnings. Hint Hint. Notes Note. Information requiring special attention Warning. File Names file.extension Directory Names directory Commands to be typed command Applications Names application Prompt of users command under bash shell bash$ Prompt of root users command under bash shell bash# Prompt of user command under tcsh shell tcsh$ Environment Variables VARIABLE Emphasized word word Code Example paraBeginning and end of paragraphpara