Simply put, environment variables are variables that are set up in your shell when you log in. They are called “environment variables” because most of them affect the way your Unix shell works for you ...

This lab taught me about environment variable security vulnerabilities in Unix systems, especially with SetUID programs. I had never thought about environment variables as a security risk before. I ...

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 ...

Lifehacker reader Michael writes in with a nifty tip that was lurking in our comments all along, but deserves to see the bright light of posting. If you're already using the Unix-like Cygwin, it's an ...