这是本人从零开始学习CGI学习文档，包括了我的总结和心得等，很适合初学者学习，研究。-I start from scratch learning CGI learning documents, including the summary and experiences, and it is suitable for beginners to learn, research.

练成Linux系统高手教程，真正的从零开始学Linux，配图解说！-Excel Linux system master tutorial, the real start from scratch to learn Linux, equipped with graphical say!

Scratch论文研究资料，重点是讨论Scratch的流程图程序设计对小学五年级几何概念及逻辑推理能力的影响。-Scratch paper research data, the focus is to discuss the flow chart of the Scratch program design on the five grades of elementary geometry concepts and logical reasoning ability.