This article is reprinted from the book A Practical Guide to Linux Commands, Editors, and Shell Programming 3rd edition, with permission of the author and publisher ...

For many users who get started with the command line in Linux, there’s a good chance they’re using Bourne Again Shell, or Bash. Bash is the default shell on Mac OS X, and Windows users can use Bash ...

While Linux systems install with thousands of commands, bash also supplies a large number of “built-ins”—commands that are not sitting in the file system as separate files, but are part of bash itself ...

If you’re not sure if you’re running a Linux command or you’re using a bash builtin, don’t stress, it isn’t all that obvious. In fact, you can get very used to commands like cd without realizing that ...

Apparently, the internet has more deep-seated security bugs to worry about than Heartbleed. Researchers have discovered a longstanding flaw in a common Unix command shell (bash) for Linux and Macs ...

A remote and critical vulnerability known as Bash, aka the GNU Bourne Again Shell, has been found in Linux and Unix command-line shell. It has left several websites, PC's, servers, OS and Macs, open ...

Bash, aka the Bourne-Again Shell, has a newly discovered security hole. And, for many Unix or Linux Web servers, it's a major problem. The flaw involves how Bash evaluates environment variables. With ...