OS-9 Keyboard Control
Functions
Key Definitions for Special Functions and Characters
Key
Combination Control Function or Character
An
Alternate key-Sets the high order bit on a
character. Press
ALT
char.
CTRL
Use as a control key.
BREAK
or
CTRL
~ Stops the program currently executing.
CTRL
El
Generates an underscore (_).
CTRL
~ Generates a left brace ({).
CTRL
~ Generates a right brace (}).
CTRL
~ Generates a tilde (-) character.
CTRL
ID
Generates a reverse slash ( \ ).
CTRL BREAK
Generates an end-of-file (EOF). This
sequence is the same as pressing
Esc
on a
standard terminal.
f:i:l
or
cTR~
0
Generates a backspace.
sHm [~E]
or Deletes the entire current line.
CTRL
CE
SHIFT BREAK OT'
Interrupts the video display of a running
CTRL
~c program. This sequence reactivates the
shell and then runs the program as a back
ground task.
CTRL
~ Upper-/lowercase shift lock function.
CTRL
~ Generates a vertical bar
(1)
in reverse video.
CTRL
CD
Generates an up arrow or caret (").
CTRL
CE
Generates a left bracket (U.
CTRL
s0
Generates a right bracket (]).
D-1
OS-9 Commands Reference
Key
Combination Control Function or Character
CTRL
Da
Repeats the previous command line.
CTRL
CO
Redisplays the command line.
CTRL
~ Temporarily halts output to the screen.
Press any key to resume output.
D-2