DXWKHQWLFDWLRQ

A security step performed by a domain controller for the filer’s domain, or by the filer itself, using its /etc/passwd file.

DXWRH[HF￿EDW￿ILOH

When you boot your computer, MS-DOS runs any commands contained in the text file, autoexec.bat (after running any com- mands in the config.sys file). An autoexec.bat file is not required to boot MS-DOS, but provides a convenient place to run commands that are essential for setting up a consistent computing envi- ronment—such as loading mouse or network software.

EDFNXS

A copy of a program or data file. As a precaution, you should back up your computer’s hard-disk drive on a regular basis. Before making a change to the con- figuration of your computer, you should back up important start-up files, such as

autoexec.bat and config.sys for MS-DOS or win.ini and system.ini for Windows.

EDVH￿PHPRU\

Synonym for conventional memory. See also conventional memory.

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Acronym for Beginner’s All-Purpose Sym- bolic Instruction Code, a programming language. MS-DOS includes a version of

BASIC.

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An ASCII text file containing a list of com- mands that run in sequence. Batch files must have a filename extension of bat.

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Data transmission speed. For example, modems are designed to transmit data at one or more specified baud rate(s) through the COM (serial) port of a computer.

%%6

Abbreviation for bulletin board service. A computer system that serves as a central location for accessing data or relaying messages by modem. For example, Dell’s

TechConnect BBS contains the latest ver- sion of software such as video drivers and the Dell Directory. If your system has a modem, you can access the BBS and download the most recent version of this software.

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A diagnostic system message in the form of a series of beeps from your computer’s speaker. Refer to your Diagnostics and Troubleshooting Guide for a complete dis- cussion of system beep codes.

%,26

Acronym for basic input/output system. Your computer’s BIOS contains programs stored on a ROM chip. The BIOS controls the following:

Communications between the microprocessor and peripheral devices, such as the keyboard and the video adapter

Miscellaneous functions, such as system messages

ELW

The smallest unit of information interpret- ed by your computer.

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The size of a block. See also block and striping.

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When you start your computer, it clears all memory, initializes devices, and loads the operating system. Unless the operat- ing system fails to respond, you can reboot (also called warm boot) your com- puter by pressing <Ctrl><Alt><Del>; otherwise, you must perform a cold boot by pressing the reset button (if your com- puter has one) or by turning the computer off, then back on.

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You can start your computer from a dis- kette in drive A. To make a bootable diskette, insert a diskette in drive A, type sys a: at the command line prompt, then press <Enter>. Use this bootable diskette

2Dell PowerVault 720N, 740N, and 760N User’s Guide

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