It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell you that ...

Few aspects of Unix system administration are more intimate than the relationship between the admin and their chosen shell. After all, the shell is the most fundamental interface to the system, the ...

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Shell scripting is one of those skills that are absolutely invaluable on especially UNIX and BSD-based systems like the BSDs, the two zillion Linux distributions as well as MacOS. Yet not every shell ...

The first software that I was actually paid to develop was a 2-page shell script that prompted the user for a dozen or so pieces of information, before launching a set of cooperating processes. Those ...

If you write a bash script that nobody else can understand, you're going to own that thing for the rest of your life too. Perl is really your answer here. They don't call it "the Swiss army chainsaw" ...

Shell programming is fun. But so is Python. People with the background of C, or most importantly people who use windows won’t agree. People often tend to prefer using a graphical based interface than ...

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 ...

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 ...

So, once again acknowledging my lack of scripting talent. I've got bits and pieces of this worked out, but missing some of the glue to tie it all together. Basically what I'm working on is a script ...