Knowing how to work with and display exit codes on the Linux command line or in scripts can help make errors more obvious. Exit codes on the Linux command line are numeric values that provide feedback ...

Elevate your Bash skills with three must-know patterns for robust error handling.

Last month, we looked at signals, the rudimentary mechanism that processes on a Linux box can use to communicate events and state changes. We talked about how each of the signals can be sent manually ...

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 ...