absolute pathname The full pathname of a file, including all the directories leading to it, starting with the root directory (“/”) 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 permissions .
active window The window that is receiving 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 active window is said to have the “key- board focus.”
ANSI The American National Standards Institute, a
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, capable of representing
boot Short for bootstrap service. A service provided by a short program, stored in the
boot console interface The interactive firmware that enables you to interact with the hardware of your workstation before the workstation boots the operating system. The boot console interface allows you to perform special tasks, display information, and set certain system parameters.
boot ROM A
bootstrap service See boot.
byte A fundamental
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