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 ...

Looping forever is easy if you know what commands you want to run repeatedly and the conditions under which you want them to stop running. There are several ways to loop “forever” on Linux commands.

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 and ...

Hey,<BR><BR>I've got a script that runs a program in a loop. The program writes a file, and the script extracts a value out of that file. If the value doesn't meet the criteria, the loop ...

How to use a Bash script for-loop for system administration in Linux Your email has been sent Bash scripting remains a staple of my endeavors in Linux as a system administrator, and I use it every day ...