Important Links

1. http://www.oracleutilities.com/OSUtil
2. http://abcdba.com/
3. http://commandwindows.com/ [for windows]
4. http://ss64.com/
5. http://kamranagayev.com/oracle-video-tutorials/
6. http://www.mahir-quluzade.com/p/video-tutorials.html
7. http://oraclevideotutorials.com/
8. http://kamranagayev.com/
9. https://wikis.oracle.com/dashboard.action
10. http://arjudba.blogspot.in/
11. http://askanantha.blogspot.in/
12. http://hrivera99.blogspot.in/