The OpenVMS User's Guide, Second Edition
A broad introductory overview of OpenVMS that focuses on command procedures, text editing and system utilities.
TABLE OF CONTENTS The OpenVMS User's Guide, Second Edition
Section 1.6: Exploring Control Keys
1.6 Exploring Control Keys
The Ctrl/Z key sequence is one among a variety of useful control keys. The next two sections explore some of these control keys and their functions.
1.6.1 Control Keys That Control Output to the Terminal
Table 1.5 lists control keys that you can use to manage output to the terminal.
You should become comfortable with the key that suspends and resumes the flow of output to your terminal. On the VT200, this key is the Hold Screen key; on the VT100, this key is the No Scroll key. If you press either of these keys while output is being displayed or printed, the display is frozen on the screen or hard-copy terminal. This gives you a chance to read a screenful of information before resuming the program or command execution and the display of new output. To resume the execution, press the Hold Screen or No Scroll key again. You can press the key repeatedly, toggling it on and off.
Ctrl/O provides another way to control the display. Pressing this key sequence stops the display of the output flowing to the terminal; that is, the
Table 1.5: Keys Used to Control Output to the Terminal
| Key | Result |
|---|---|
| Ctrl/O | Stops and starts the echoing of output to the terminal |
| Ctrl/S | Suspends output to the terminal |
| Ctrl/Q | Resumes output to the terminal |
| Hold Screen or No Scroll | Suspends and resumes output to the terminal |
output does not echo on the screen. Unlike Hold Screen or No Scroll, Ctrl/O...
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