An operating system is the most essential program that allows a computer to run and execute programs. Without an operating system, a computer cannot be of any important use since the computer's hardware won't be able to ... More »

The defining characteristic of operating systems is the connection it provides between the hardware, the software and, in some cases, the user interface. Computers require an operating system in order to be used. More »

The purpose of a network operating system is to support workstations, data sharing, application sharing, file sharing and printer access sharing among multiple computers in a network. A network operating system is used t... More »

To delete files from your computer, follow the instructions specific to your operating system to move the files into the Trash or Recycle Bin. To delete the files permanently, enter the Trash or Recycle Bin, and remove t... More » Technology Software

To install Oracle Express Edition 11g, go to and download the version of the software that is compatible with your computer's operating system. Run the installer, and follow the wizard to install the software. More » Technology Software

To restore Windows 8, use the System Restore utility that comes with the operating system to set the computer back to an earlier saved restore point. If this is your first time restoring the computer, the process resets ... More » Technology Software

A file extension allows a computer's operating system to decide which program is used to open a file. They can also show what type of file something is, such as image, video, audio or text. For example, .gif, .jpg and .p... More »