Within the Linux Environment, Emacs is the most commonly used editor, and has versions available for both  MAC OSX and Windows. Emacs is used as an editor for LaTeX, R, C, C++,  and many other programs. Below are a few links to help students become familiar with Emacs:

• Emacs Quick Reference Card
• Emacs Quick Tutorial
• Gnu Emacs Site and XEmacs Site 
• ESS - information and manuals about how to run R from Emacs.