A program (binary, or executable) is a file on disk somewhere, in a recognized format. Common formats include ELF on Linux, ...

Python is great because it includes an interactive mode for learning the language and quickly testing out code ideas. IPython ...

Image: Shutterstock. I’m always looking for ways to make my work more efficient, so the last thing I want to have to do is log into multiple Linux machines and run a single command on each.

Meaning of ./ in Linux. This is where the dot slash ./ notation comes in. It means “Look in the current directory.” When you use ./, you tell Ubuntu or Fedora or SUSE or whatever Linux distribution ...

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 ...