Epson Equity 320SX PLUS - Manual (Page 222)

Subdirectory
A directory or group of files that branches down from
another subdirectory or from the root directory.
Switch
An option added to an MS-DOS command that modifies the
way the command works. Switches are usually preceded by a
/ (forward slash). For example, if you add the /S switch to a
FORMAT command, MS-DOS installs the operating system
on the diskette as it formats it. See also
Parameter.
System diagnostics
A series of checks you can perform on the computer to make
sure the hardware is functioning correctly.
System diskette
A diskette that contains the operating system.
Tracks
Addressable, concentric circles on a disk, resembling the
grooves on a record, which help to divide the disk into
separate accessible areas.
UNIX
An operating system that supports multitasking and is suited
to multi-user environments. UNIX is compatible with a range
of computers, from personal computers to mainframes. See
also Operating system.
VGA
Video Graphics Array. A type of high-resolution display
adapter. The VGA adapter built into the system board of your
computer can display 16-color graphics at resolutions up to
800 x 600 on a compatible VGA monitor.
Glossary 17