https://www.ndwiki.org/index.php?action=history&feed=atom&title=CLEAR-DEVICE 2026-05-17T15:06:12Z Revision history for this page on the wiki MediaWiki 1.43.8 https://www.ndwiki.org/index.php?title=CLEAR-DEVICE&diff=4391&oldid=prev 2017-10-02T14:56:25Z

<p>created CLEAR-DEVICE page</p> <p><b>New page</b></p><div> @CLEAR-DEVICE &lt;logical device number&gt;<br /> Execute a clear device operation ([[IOX]] instruction). This command can be used to stop the line-printer if an attempt is made to print non-alphanumeric information, or it can be used to stop a search for a nonexistent EOF mark on a magnetic tape and prevent the tape from winding off.<br /> ; &lt;logical device number&gt; : (octal) logical number of a peripheral device.<br /> Rules:<br /> #Permitted only for user SYSTEM.<br /> # @CLEAR-DEVICE on a magnetic tape operates on the magnetic tape controller, if several magnetic tape stations are connected to the same controller, they are all cleared through one @CLEAR-DEVICE command.<br /> <br /> Example:<br /> <br /> @CLEAR-DEVICE 22<br /> <br /> Clear the Versatec printer on DMA.<br /> == Related commands ==<br /> @[[EXECUTE-IOX]]<br /> <br /> @[[IOSET (command)]]<br /> == References ==<br /> {{ND-doc|60.128.01}} (printed June 1980), page 1-37<br /> <br /> {{ND-doc|60.174.Q01}}<br /> [[Category:System Commands]]</div>

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