Eric S. Raymond collected the following list of principles in order to describe the unix philosophy. They belong to different contexts. Some of them are about software design others about user interface design, others about the design of software development processes.

• Rule of Modularity
• Rule of Clarity
• Rule of Composition
• Rule of Separation
• Rule of Simplicity
• Rule of Parsimony
• Rule of Transparency
• Rule of Robustness
• Rule of Representation
• Rule of Least Surprise
• Rule of Silence
• Rule of Repair
• Rule of Economy
• Rule of Generation
• Rule of Optimization
• Rule of Diversity
• Rule of Extensibility

Eric S. Raymond: The Art of Unix Programming

• Unix_philosophy#Eric_Raymond
• The Art of Unix Programming: Basics of the Unix Philosophy