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