Dell PowerEdge 7250 Product Guide (.htm) - Page 99

the upper memory area, in which you can load device drivers and memory-resident programs. URL Abbreviation for Uniform Resource Locator (formerly Universal Resource Locator). USB Abbreviation for Universal Serial Bus. A USB connector provides a single connection point for multiple USBcompliant devices, such as mice, keyboards, printers, and computer speakers. USB devices can also be connected and disconnected while the system is running. utility A program used to manage system resources- memory, disk drives, or printers, for example. utility partition A bootable partition on the hard drive that provides utilities and diagnostics for your hardware and software. When activated, the partition boots and provides an executable environment for the partition's utilities. UUID Abbreviation for Universal Unique Identification. variable A component of a managed object. A temperature probe, for example, has a variable to describe its capabilities, its health or status, and certain indexes that you can use to help you in locating the right temperature probe. VESA Acronym for Video Electronics Standards Association. virtual memory A method for increasing addressable RAM by using the hard drive. For example, in a system with 16 MB of RAM and 16 MB of virtual memory set up on the hard drive, the operating system would manage the system as though it had 32 MB of physical RAM. VT-100 Abbreviation for Video Terminal 100, which is used by the most common terminal emulation programs. WAN Abbreviation for wide area network. Web server A secure port server that makes Web pages available for viewing by Web browsers using the HTTP protocol. WH Abbreviation for watt-hour(s). win.ini file A start-up file for the Windows operating system. When you start Windows, it consults the win.ini file to determine a variety of options for the Windows operating environment. Among other things, the win.ini file records what printer(s) and fonts are installed for Windows. The win.ini file also usually includes sections that contain optional settings for Windows application programs that are installed on the hard drive. Running the Control Panel or Windows Setup program may change options in the win.ini file. On other occasions, you may need to change or add options to the win.ini file manually with a text editor such as Notepad. write-protected Read-only files are said to be write-protected. You can write-protect a 3.5-inch diskette by sliding its writeprotect tab to the open position or by setting the write-protect feature in the System Setup program. XMM Abbreviation for extended memory manager, a utility that allows application programs and operating systems to use extended memory in accordance with the XMS. Glossary 97