TOPS-10 Monitor Calls Manual Volume 2 AA-K039D ... - Trailing-Edge

GLOSSARY
Mounting a file structure
The process of adding a file structure to a search list. If the
file structure is not already defined and mounted, this action is
requested of the operator.
MPX-controlled device
A device connected to a multiplexed channel.
MPXable Devices
The devices that can be connected to an MPX
printers, terminals, paper-tape punches,
devices, and pseudo-TTYs.
channel are
remote data
line
entry
MTA
The generic device name referring to a magnetic tape unit.
Multiprocessing
Simultaneous execution of two or more computer programs by two or
more processors.
Multiprogramming
Nesting
No-op
A technique that allows scheduling in such a way that more than
one job is in an executable state at anyone time. TOPS-IO is a
multiprogramming operating system in which there are two or more
independent instruction streams that are simultaneously active
but are not necessarily simultaneously executed.
To include a loop, a macro definition, a routine, or a block of
data within a larger loop, macro definition, routine, or block of
data.
An instruction that specifically instructs the computer to do
nothing. The next instruction in sequence is then executed.
Non-blocking I/O
In buffered modes, the program does not block while waiting for a
buffer to be filled or emptied.
Non-directory device
A device,
does not
files.
such as unlabelled magnetic tape or paper tape, that
contain a file describing the names and layout of data
Non-sharable segment
A segment for which each user has his own copy. This segment can
be created by a CORE or REMAP UUO or initialized from a file.
Gloss-24