Researchers have discovered a longstanding flaw in a common Unix command shell (bash) for Linux and Macs that lets attackers run any code they want as soon as the shell starts running. They can ...

In our first tutorial on command line wizardry, we covered simple redirection and the basics of sed, awk, and grep. Today, we're going to introduce the concepts of simple variable substitution ...

Bash is fairly easy to install, but using it is another matter. Here are some commands to help IT pros dip their toes in Bash. I have written quite a bit lately about the Bash shell that exists ...