NET/MASTER Network Control Language (NCL) Reference Manual

Glossary
106126 Tandem Computers Incorporated Glossary–37
unquoted string. Within an NCL statement, a sequence of characters that do not begin
and end with quotes, do not result in a number, and do not have a predefined
meaning when used in a particular context.
unrecognized command. A string of characters that NonStop NET/MASTER MS
assumes to be a NonStop NET/MASTER MS command but that it is unable to process
and execute.
unrecognized statement. A string of characters that, in the current context, NCL assumes
to be the first keyword of a core statement or verb but that it is unable to process and
execute.
unsolicited message. A message that is not generated as the result of an explicit request.
unstructured file. A Tandem Enscribe file type that is essentially a byte array on disk
that starts at byte address 0 and continues sequentially upward through whatever byte
address is identified by the end-of-file (EOF).
unwinding. The orderly dismantling of a nested environment, NCL procedure, or
function to the current nesting level.
User ID Management Services (UMS). The NonStop NET/MASTER MS security service
that enables the definition of authorized NonStop NET/MASTER MS users and their
associated functions and privileges.
User Services. The NonStop NET/MASTER MS service that provides an entry point
into an NCL procedure defined and written by an installation, usually a primary
menu.
user. A general term describing any person or entity that can use NonStop
NET/MASTER MS. There are three types of users: real, virtual, and remote.
user authority level. A number assigned to a NonStop NET/MASTER MS user.
Authority levels range from 0 (lowest) through 255 (highest) The user authority level
is compared with the command authority level to determine if a user can execute a
command.
user database (UDB). A file that NCL can process, including entry-sequenced,
key-sequenced, and edit files, and Guardian processes.
user ID. The unique identifier for a NonStop NET/MASTER MS user.
user ID definition record. The record, created by UMS, that contains information about a
particular user ID. User ID definition records are stored in the UMS database.
user installation attributes. A set of characters that describes characteristics of the user ID
definition that are meaningful to NonStop NET/MASTER MS. Using the SECCALL
verb, NCL procedures can read and use the installation attributes for any purpose.
user NCL procedure. An NCL procedure created by a user.
user panel library. A panel library containing the panel description files belonging to a
particular user or group of users.