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APPENDIX 1
GLOSSARY OF TERMS
Ambiguous File Name:
A file name containing one or more wildcard characters. Ambiguous filenames
refer to more than one specific file name and are used to refer to one or more files
at a time.
AMSDOS:
AMStrad Disc Operating System. The program that allows Locomotive BASIC to
access disc files.
Backup:
A duplicate copy of information used as a safeguard in case the original is lost or
accidentally damaged. Making a backup refers to the process of duplicating a disc
or disc file.
BDOS:
Basic Disc Operating System. This is the part of the CP/M operating system which
provides an interface for a user program to use the functions of CP/M.
BIOS:
Basic Input/Output System. This is the hardware dependent part of CP/M that is
written specifically for one type of computer. All the input and output to the screen,
keyboard, disc and so on is performed through the BIOS.
Boot:
The process of loading an operating system into memory. When CP/M is started
from BASIC a small boot program is loaded automatically from the disc, which
then loads the rest of the operating system into memory.
Buffer:
An area of memory reserved for temporarily storing, or buffering, information
during an information transfer.
Built-in commands:
Commands that are part of an operating system. They are always quicker than
transient commands because they are not accessed from disc.
CCP:
Console Command Processor. This is a module of CP/M that interprets and
executes user input from the keyboard. Usually commands are input which the CCP
loads and executes.
Appendix 1. AMSTRAD Disc Drive & Interface DDI-1 Manual