This table shows which of ten different accessibility features are available on five different operating systems. A yes means that the feature is built in. A 1 means if sound is turned off on a Macintosh, it will flash the menu bar when a sound is played. A 2 means SerialKeys is provided by the Mac SerialKeys program available from the Trace web site. A 3 means the feature is available from AccessDOS. These links are available immediately following this table.

Mac OS 7.0 through 9.0:

Sticky Keys: Yes
Repeat Keys: Yes
Slow Keys: Yes
Bounce Keys: No
Mouse Keys: Yes
Toggle Keys: No
Sound Sentry: If sound is turned off on a Macintosh, it will flash the menu bar when a sound is played.
Show Sounds Flag: No
High Contrast: No
Serial Keys: SerialKeys is provided by the Mac SerialKeys program available from Computer Access Program: Apple Macintosh and Apple

Mac OS X version 10.1:

Sticky Keys: Yes
Repeat Keys: No
Slow Keys: No
Bounce Keys: No
Mouse Keys: Yes
Toggle Keys: No
Sound Sentry: No
Show Sounds Flag: No
High Contrast: No
Serial Keys: No

Windows 95/98/ME/NT4/2000:

Sticky Keys: Yes
Repeat Keys: Yes
Slow Keys: Yes
Bounce Keys: Yes
Mouse Keys: Yes
Toggle Keys: Yes
Sound Sentry: Yes
Show Sounds Flag: Yes
High Contrast: Yes
Serial Keys: Yes

DOS 3.3 and higher:

Note: Items with an asterisk below indicate that DOS features are provided by AccessDOS (available from Computer Access Program: DOS and IBM AccessDOS).

Sticky Keys: *
Repeat Keys: *
Slow Keys: *
Bounce Keys: *
Mouse Keys: *
Toggle Keys: *
Sound Sentry: *
Show Sounds Flag: No
High Contrast: No
Serial Keys: *

X11R6.1 w/XKB:

Sticky Keys: Yes
Repeat Keys: Yes
Slow Keys: Yes
Bounce Keys: Yes
Mouse Keys: Yes
Toggle Keys: Yes
Sound Sentry: No
Show Sounds Flag: No
High Contrast: No
Serial Keys: No

Linux with XFree86 4.0.1 or higher, XKB, and AccessX

Sticky Keys: Yes
Repeat Keys: Yes
Slow Keys: Yes
Bounce Keys: Yes
Mouse Keys: Yes
Toggle Keys: No
Sound Sentry: No
Show Sounds Flag: No
High Contrast: No
Serial Keys: No

Links to obtain features

SerialKeys is provided by the Mac SerialKeys program available from Computer Access Program: Apple Macintosh and Apple

DOS features are provided by AccessDOS (available from Computer Access Program: DOS and IBM AccessDOS)