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 »

A single-user multitasking operating system is an operating system that allows a single user to simultaneously run multiple applications on a computer. This type of operating system is found in personal desktop and lapto... More »

Restore Windows 7 back to its normal mode by disabling Safe Mode in the computer's start-up settings or restoring the operating system to an earlier point in time. Safe Mode is an advanced troubleshooting feature that on... More »

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To restore a computer that uses the Windows 8 operating system to default settings, use the Refresh or Reinstall option from the Update and Recovery tab. To do the same thing in Windows 7, open the Advanced Recovery Meth... More »

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System software is the main operating system that keeps a computer running. Application software runs independent from but using the operating system and performs specific functions. More »