Q
query
1. The action of searching data for desired information.
2. In data communications, the process by which a master station asks a slave
station to identify itself and to give its status.
3. In interactive systems, an operation at a terminal or workstation that elicits a
response from the system.
4. A request for information from a file based on specific conditions.
queue
A line of items waiting to be processed. For example, a print queue consists of
jobs waiting to be printed.
queue daemon
The process that maintains a list of outstanding jobs and sends them to the
specified device at the appropriate time.
See also daemon, job
queued message
A system message that is added to a list of messages stored in a file for user
viewing at a later time. Background processes usually produce queued messages.
Programs interacting directly with users typically send messages to the screen for
immediate user viewing.
queue element
An item in a queue.
quote
To protect a character from interpretation by a program by enclosing it in
quotation marks or by preceding it with a backslash character; to mask the
special meaning of certain characters, causing them to be taken literally.
See also escape.
