The eval command allows you to run the contents of variables as commands and can be very useful, especially in scripts. There are probably a lot of Linux users who have never encountered the eval ...

Is it a tool only for geeky command prompt users? No, this utility can be used by anyone because it is very easy to use. What you need to do is simply type in your command and hit Enter. It supports ...

Environment variables are name-value pairs for various programs or processes on an operating system. On Windows, the environment variables store all sorts of information about the operating system ...