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Expanded memory
Memory that specially-written MS-DOS programs can use
when an expanded memory manager program maps that
memory into an accessible area. See also
LIM EMS 4.0.
Extended memory
Memory above 1MB that is accessed by 386 or 486
microprocessors when they are operating in protected or
virtual mode. This memory is available to OS/2 programs, but
is available to MS-DOS only if an extended memory manager
program is installed. See also
Expanded
memory and OS/2.
Extension
A suffix of up to three characters which you can add to a
filename to identify its contents or purpose. Some programs
automatically create an extension for a filename when you
create a file using the program.
File
A collection of information called records, or entries, stored
together on a disk under a single name. Text files consist of
words and sentences. Program files consist of codes and are
used by computers to interpret and execute commands. See
also
Filename.
Filename
A name assigned to a file that distinguishes it from other files in
a particular directory on a disk. MS-DOS filenames can be up to
eight characters long and consist of letters, numbers, and
certain punctuation marks.
Fixed disk
See Hard disk.
Glossary 9