Speak UNIX fluently with the best tools available

UNIX Network Performance Analysis
IBM Developerworks: "Knowing your UNIX network layout will go a long way with understanding your network and how it operates. But what happens when the performance of your UNIX network and...

How to get started using awk
Simple Help: awk, sed, and grep are three of my favorite tools in the Linux or UNIX command line.

Understanding the /bin, /sbin, /usr/bin, /usr/sbin...
OSnews: If you've used UNIX or any of its derivatives, you've probably wondered why there's /bin, /sbin, /usr/bin, /usr/sbin in the file system.