For more than 20 years, a very serious bug in our beloved bash simply went unnoticed. What have we learned?
Tired of the ls command and want to see more interesting information on your files? Try stat!
One of the best ways to write scripts quickly and effectively is to never start from scratch.
When building scripts, a little consistency and care can pay off in the long run.
Traceroute is still a great tool, but mtr ("my traceroute") provides even more insights when you're looking into network routing problems.
If you'd like to know a lot more about your ethernet interfaces than ifconfig will ever tell you, it's time you take a look at ethtool.
The /proc file system brings the processes on your Unix systems into view in some very useful ways, but only if you take the time to cd over to /proc and see all it can tell you.
Think you know what's happening on your network? Pull out tcpdump and you might be surprised how much it can tell you.
If you find your thrill delving into the networking side of Unix, you'll find that there are lots of commands to give you all the insights you might want.
