Glossary
memory
null device
operating system
pipe
pipeline
ports
program
raw device
reboot
1. Same as memory image.
2. Physical memory represents the available
space in main memory; programs are either
swapped or paged into physical memory for
execution.
3. Virtual memory management techniques
permit programs to treat disk storage as an
extension of main memory.
A device [1] that always yields end of file on
reading and discards all data on writing.
The program for managing the resources of the
computer. It takes care of such things as
input/output procedures, process scheduling, and
the file system (removing this burden from user
programs).
A direct stream connection between processes,
whereby data written on an open file in one
process becomes available for reading in another.
A sequence of programs connected by pipes.
The point of physical connection between a
peripheral device (such as a terminal or a printer)
and the device controller (ports board), which is
part of the computer hardware.
1. An executable file.
2. A process.
3. All the usual meanings.
A block device, read and write operations to
which are not buffered and are synchronized to
natural records of the physical device.
Same as boot.
GL-6 IPC-1600 USER’S GUIDE