gives you online manual pages
stands for ``global regular expression print;'' searches for strings in text files
use whatever editor floats your boat, but learn the hell out of it; you should know every command in your editor
makes ``tags'' for your editor allows you to goto functions by name in any source file
>, >>, <, |input and output redirection at the command line; get someone to show you, or dig it out of ``man csh''
These are the basic day-in day-out development tools. Developing without knowing how to use all of these well is like driving a car without knowing how to change gears.