Updated: 08/03/2018 by Computer Hope

A system may refer to any of the following:

1. When referring to a computer, system or system unit is used to distinguish the complete computer. See our computer definition for full information about a computer.

2. When referring to an Apple Macintosh, System is the computer's operating system, or macOS. System is commonly followed by a number, for example, System 7.

Related pages

  • For additional information about Macintosh operating systems, see our macOS definition.

3. In Windows Vista, Windows 7, and Windows 8 system refers to the System Properties.

Note: System should not be confused with System Information, a section of Windows that shows your computer system information.

4. When referring to software, system is sometimes used to abbreviate operating system.

Apple terms, IS, Macintosh, Operating system terms, System Properties