Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.

I’m going to go ahead and admit it: I really have too many tray icons. You know the ones. They sit on your taskbar, perhaps doing something in the background or, at least, giving you fingertip access ...

This Wiley Publishing tome is big (more than 650 pages), useful and very complete. Be warned, however, that its scope is limited to system administration. The purpose of the book is to solve “real ...

Claim your complimentary copy (valued at $35.99) for free before the offer expires on April 9. Dive into the world of Linux shell scripting with this hands-on guide. If you’re comfortable using the ...

Basic ways you can use shell scripts to monitor password strength and secret accounts. The internet ain't what it used to be back in the old days. I remember being online back when it was known as ...

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 ...