I realize this might throw a spanner into the editorial works here at Linux Journal, but after a two-month sidetrack on how to analyze letter usage in English to give you an edge in Hangman (yeah, I ...

Windows environment variables give system administrators access to a plethora of information about the Windows operating system. Separated into system and user-level scopes, default environment ...

#!/bin/bash clear echo "Hello world!" The first line tells the operating system what shell to use to interpret the script and the location of the shell. Double quotes do not prevent Bash from ...

Variables are just about the most ubiquitous element inside any PowerShell script. Variables can easily be created and referenced inside your script. But sometimes you just need to test to see if they ...

In a SAS session, you can use the SASV8_OPTIONS environment variable to specifiy system options and the SASV8_CONFIG environment variable to specify a configuration file. You can also use environment ...

Last month, we took a strange turn and actually just focused on the basics of shell scripting, special variable notation, rather than solving some complex and obscure scripting challenge. I'm going to ...