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page

a screen of information in UNIXhelp. A screen may be scrollable.

parent directory

the directory that is one level above the current directory.

password

a security device consisting of a string of characters known only to the user and the system. The user must supply this string when prompted to gain access to the system.

pathname

a file name given as the sequence of directories that lead to the file. A pathname can be either a full pathname or a relative pathname.

Select the item UNIX File System from the Concepts menu for a more detailed explanation.

prompt (see shell prompt)

protocol

a set of rules that defines exactly how information is to be exchanged between two systems. This allows different types of machine to communicate in a form both understand.