Enhance and secure your Bash shells
Ever stopped and thought about what you're typing several times a day at the command prompt? Many experts prefer the Bash command prompt for its versatility, speed, and convenience. However, users often stick with a small collection of commands without realizing the full range of possibilities available through the very expressive Bash shell. In this article, I will describe a few of my favorite tricks. You might already be using some of these techniques, and some might be new to you; in either case, I hope this article encourages you to explore the advanced capabilities available through Bash.
Tailoring ls
At the end of a long day's work, I recently found myself staring at the command line and wondering where a certain command originated, namely the ls command. I wouldn't want to hazard a guess at how many times I run the ls command everyday.
With those bleary eyes, I realized that I'd been typing this command for more than 20 years with little knowledge about it, other than it essentially meant list. For something so succinct, the all pervasive ls command is not only greatly understated but also commonly taken for granted.
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