| A | B |
| Application Log | One of the entries held by the Event Viewer that allows the user to view the events of programs running on the system. |
| ASR | Automated System Recovery; feature of Windows XP that replaces the Emergency Repair Disk and allows for a way to repair your computer should things go bad. |
| ATTRIB | Command-line entry used to see and edit the permissions placed on files. |
| Bootable CD | Compact disk that has boot files on it so that it will start the computer and give control over to a boot image. |
| Branch | Part of a computer program where the flow of control is altered. |
| CD | Change Directory; DOS commands that lets you navigate from one directory to another. |
| CHKDSK | DOS and Windows program that verifies drive integrity. |
| CMD | The command line interpreter for Windows NT based systems. |
| COPY | DOS command that allows you to put a second instance of a file in another location on a computer disk or drive. |
| DEFRAG | Program used to put files into a contiguous order. |
| DIR | Directory; DOS command that allows you to display the contents of a directory or a drive. |
| DISKCOPY | DOS command used to copy the contents of one floppy disk to another |
| EDIT | DOS command that opens the DOS text editor to be able to modify files, especially batch files and configuration files like AUTOEXEC.BAT and CONFIG.SYS |
| El-Torito Compatible | the ability to be able to boot from ATAPI CD-ROM drives |
| Error Event | One of the entries held by the Event Viewer that allows the user to view the occurrence of a significant problem on the system. |
| Event | An action detected by a program. |
| Event Details | The records of entries in the Event Viewer classified by type, header information, and description. |
| Event Log | Location in Windows NT based systems that reports events that have taken place like the failure to start some action or the completion of an action. |
| Event Viewer | Component of Windows NT that allows the events on a local or remote machine to be seen. |
| Failure Audit Event | A logged event when some security event did not complete successfully. |
| FDISK | DOS and Windows program that is used to partition hard drives. |
| FORMAT | Program used to set up the storage areas on a drive in the form of cylinders, tracks, and sectors. |
| HELP | DOS and Windows command that explains how to use other commands. |
| HKEY | Handle to Registry Key; the place in a Windows computer where all configuration settings are kept. |
| Information Event | A logged event when the operation of some task, such as an application, driver, or service, is successful. |