| Link | Description | Title |
|---|---|---|
| http://www.programmersheaven.com/ebooks/csharp_ebook.pdf | book | #C |
| http://www.cs.duke.edu/courses/fall04/cps116/LectureNotes.html | book and lectures | Database Systems |
| http://media.wiley.com/product_data/excerpt/87/04700747/0470074787.pdf | book | Introduction to analysis and design systems |
| http://www.osdata.com/book.pdf | book | computer programming |
| http://www.freebookcentre.net/CompuScience/Free-Operating-Systems-Books-Download.html | lectures and books | Operating systems |