HP unix manual Central Processing Unit CPU, Child directory See subdirectory, Command argument

Glossary

CD-ROM drive A random-access, read-only, mass-storage device that uses removable CD-ROM disks.

The drive contains a semiconductor laser for reading data optically and an embedded controller.

Central Processing Unit (CPU)

The part of a workstation that interprets and executes instructions; the “brain.”

child directory See subdirectory.

click To press and immediately release a mouse button. The term comes from the fact that pressing and releasing most mouse buttons makes a clicking sound. Compare drag and drop.

cluster A group of workstations connected via a Local Area Network (LAN). One workstation, the cluster server, acts 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, acts as a file server to the other machines in the 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.

cold install A process that requires the booting of an install kernel from an install server over a network or from a CD-ROM and answering some configuration questions.

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 (often a file or directory) to be operated on by the command.

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