Silicon Graphics O2+ Hardware Reference Manual page 236

Glossary
216
login account
A database of information about each user that, at the minimum, consists of login name,
user ID, and home directory.
login name
A name that uniquely identifies a user to the system.
login screen
The window that you see after powering on the system, before you can access files and
directories. The window can contain one icon for each login account on the system.
luminance
The perceived brightness of a surface. Luminance typically refers to a weighted average
of red, green, and blue color values that gives the perceived brightness of the
combination. For video systems, luminance is the video signal that describes the amount
of light in each pixel. See also chrominance.
MB (megabyte)
A standard unit for measuring the information storage capacity of disks and memory
(RAM and ROM); 1024 kilobytes is 1 MB.
male connector
A connector that has raised edges, pins, or other protruding parts that you plug into a
female connector. An example of a male connector is an electrical plug that you plug into
a wall outlet.
man page
An online document that describes how to use a particular IRIX command.
menu
A list of operations or commands that the workstation can execute.
MIDI (Musical Instrument Digital Interface)
On the O2+ workstation, MIDI devices (such as a keyboard) can be connected to the
serial ports.
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