[Category source] Source code to programs on the Instructional CD

• MinGW - Source code for the packages included in MinGW
• Emacs - GNU Emacs editor source code
• Ghostscript - AFPL Ghostscript sources
• Perl - Perl Sources
• SPIM - Sources for UC Berkeley's version of SPIM
• SSH - Secure Shell source code
• STk - Sources for UC Berkeley's version of STk