Ubuntu is one of the most customizable operating systems available. In order to begin to understand the various complexities of the system, you need to become familiar with the most basic commands at ...

If you're new to the UNIX operating system, especially if you're familiar with Windows, you'll find that the file access control mechanisms might not be exactly what you expect. File permissions and ...

Memory is still one of the things that most determines how well your Unix servers will perform. Knowing what commands will tell you what you need to know and what their responses mean will help keep ...