HP C180 manual Glossary, Bootstrap service See boot

Glossary

absolute pathname The full pathname of a file, including all the directories leading to it, starting with the root direc- tory (“/”) and ending with the filename itself. See also file, filename, path- name.

access permissions Settings that allow a user or group of users to read, write, or execute files. See also file access per- missions.

active window The window that is re- ceiving input from the keyboard at the present time. If there is no active win- dow, anything you type is lost. Only one window can be active at a time. The ac- tive window is said to have the “key- board focus.”

ANSI The American National Stan- dards Institute, a non-profit organization, made up of various expert committees, that publishes standards for use by na- tional industries. ANSI has adopted the IEEE standards for local area networks.

argument The part of a command line that identifies the file or directory to be acted on.

attachment unit interface (AUI) A transceiver cable that conforms to IEEE 802.3 specifications.

back up v. To make a copy of the file system on a tape or disk that can be stored separately from the original files. Also called “backing up the system” or simply “system backup.”

bitmap Generally speaking, an array of data bits used for graphic images. Strict-

ly speaking, a pixmap of depth one, ca- pable of representing 2-color images.

boot Short for bootstrap service. A ser- vice provided by a short program, stored in the read-only memory of your work- station, that loads the operating system (or any complex program) into main memory. Partner workstations provide bootstrap service to diskless worksta- tions. See also boot ROM.

boot console interface The interactive firmware that enables you to interact with the hardware of your workstation before the workstation boots the operat- ing system. The boot console interface allows you to perform special tasks, dis- play information, and set certain system parameters.

boot ROM A read-only memory that is incorporated into a workstation for the purpose of starting the operating system, testing the terminal, and producing a standard display.

bootstrap service See boot.

byte A fundamental character-code unit, usually consisting of 8 bits.

CD-ROMCompact Disc Read-Only Memory. See also CD-ROM disc, CD- ROM drive.

CD-ROM disc CD-ROM discs are identical to the audio compact discs (CDs) used to record stereo music, ex- cept that they store data. CD-ROM discs are 120 mm (4.7 inches) in diameter, and use one data surface with a capacity of 600 MB. The data surface contains pits

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