HP Visualize b180L hp Visualize workstation b132L, b132L plus, b160L, and b180 - Page 242
nected viaLocal Area Network LAN.
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Glossary 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 and flat spots arranged in a continuous spiral track, which is read at a constant speed. CD-ROM drive A random-access, read-only, mass-storage device that uses removable CD-ROM discs. The drive contains a semiconductor laser for reading data optically and an embedded controller with a SCSI interface. Central Processing Unit (CPU) The part of a workstation that interprets and executes instructions. child directory See subdirectory. cluster. See also cluster, cluster client, cluster server. cluster server A workstation that provides file access, login access, file transfer, printing, and other services across a network to a defined cluster of systems (cluster nodes) connected via a LAN. See also cluster, cluster client, cluster node, host. command An instruction that you enter into the system at a prompt, to execute a program or perform a task. See also shell command. command argument Information you provide on a command line to describe the object (usually a file or directory) to be operated on by the command. click To press and release a mouse button. The term comes from the fact that pressing and releasing most mouse buttons makes a clicking sound. cluster A group of workstations connected via a Local Area Network (LAN). One workstation, the cluster server, performs as a file-system server for the cluster clients. See also cluster client, cluster node, cluster server. cluster client A cluster node that does not have a local HP-UX file system. Its file system resides on the cluster server. See also cluster, cluster node, cluster server. cluster node A member of a group of workstations connected via a Local Area Network (LAN). One workstation, the cluster server, performs as a server to the command interpreter A program that reads lines of text from standard input (typed at the keyboard or read from a file) and interprets them as requests to execute other programs. An HP-UX command interpreter is called a shell. See also shell. command option Information you provide on a command line to indicate any special action you want the command to take. See also default. configuration The arrangement of a workstation or network as defined by the nature, number, and chief characteristics of its functional units. More specifically, the term configuration may refer to a hardware configuration or a software configuration. control key sequence A keystroke 228