Click to viewThat Mac you're viewing this web page on using a pretty graphical interface? That's a Unix-based system which can run the powerful and age old command line utilities of the most advanced ...

You can think of a computer file system as a huge box with smaller boxes inside of it. There can be objects like toys or furniture (files) inside the boxes but the main feature of Unix commands is to ...

GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get ...

There are quite a few ways to send email from the Unix command line and so many good reasons for doing so. You might want to provide feedback on automated processes so that you and fellow admins know ...

If you’re a Unix admin, it helps to know how password aging is managed and how you can determine when a password was last changed or force a change in the near future. The key to understanding how ...

Many users who try Linux for the first time can get confused easily as their is no readily apparent help system available to them. As Windows programs are typically graphical in nature, it is not too ...

There are several softwares to convert text files from UNIX or Linux to DOS operating systems and vice-versa. However, it always helps to know the manual conversion. In shell programming languages ...

This is a development environment based on Blockly where users can easily construct data processing pipelines by visually plugging together processing blocks. The pipeline will be implemented ...