| A | B |
| Administrative Rights | Permission to make changes on a computer systen. |
| Administrative Account | A collection of information that determines which files you can access and which settings you use. |
| Driver | A small program that instructs the operating system on how to operate specific hardware. |
| Embedded Operating System | Similar in principle to operating systems such as Windows or Linux, smaller and generally less capable than desktop operating systems. |
| Emulation Card | A card that provides the ability for the computer to run a program that was designed for a different operating system. |
| File System | Determines how the operating system will stores files on a disk. |
| Handheld Operating System | Operating system for mobile devices. |
| Linux | A variant of the UNIX operating system. |
| Mac OS X | The Macintosh operating system. |
| Operating System | System software that provides an interface between the user or application program and the computer hardware. |
| Palm OS | An operating system that runs on Palm handhelds and other thirdy party devices. |
| System Administrator | A user who has an administrator account. |
| UNIX | Operating system developed by AT&T. |
| Window Embedded CE | An operating system designed for devies such as digital cameras, secrity robots, intelligent applicances, gaming devices, GPS, andset-top boxes. |
| Windows Mobile | A version of the Windows operating system that runs on Smart phones and other types of handheld computers. |