www.itminddesign.com

While doing my usually reading for interesting things on the web I found this webpage/document that is a collection of Unix/Linux/BSD commands and tasks which are useful for IT work or for advanced users.  This collection was created by Colin Barschel and this cheat sheet is distributed under the under Creative Commons.

 The topics include:

1. System
2. Processes
3. File System
4. Network
5. SSH SCP
6. VPN with SSH
7. RSYNC
8. SUDO
9. Encrypt Files
10. Encrypt Partitions
11. SSL Certificates
12. CVS
13. SVN
14. Useful Commands
15. Install Software
16. Convert Media
17. Printing
18. Databases
19. Disk Quota
20. Shells
21. Scripting
22. Programming
23. Online Help

And cover OS’s like Solaris, Linux, Ubuntu, and FreeBSD.