Everyone knows what a Linux shell is -- you open up a Linux terminal window (such as Konsole or xterm), type in some commands, and there you are, using your Linux shell. Write your commands to a file, make it executable, run it, and you're a shell programmer. But did you know that there are different shells that you can use, and that each shell operates in a slightly different way?
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Protect your server with Deny Hosts
http://www.freesoftwaremagazine.com –
Requiring system accessibility via the Internet poses several problems for system administrators. One problem is allowing access by authorized users with the least amount of complexity on the client computer while keeping the system and its services safe from intruders.
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The "alias" command: Speed Dial for your Shell
http://www.freesoftwaremagazine.com –
You almost certainly have speed dial set up on your home, office and mobile phone. It saves time, ensures against a failing memory and allows you to work smarter.
Read more »Shell, terminal, console — the basics
http://polishlinux.org –
In this article we’d like to present the basic concepts needed to navigate the console world. We are going to find out what a shell is all about, what is a terminal, and what the famous console is actually for.
Read more »10 Linux Shell Tricks You Don't Already Know. Really, we swear.
http://www.venturecake.com –
"Yeah, I’ve read them too. Lists of shell tricks you already know - pstree (wow!) bc (bash already has built-in math), and a dozen commands you see in every Linux site, book, and training course."
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