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	<id>https://wiki.vmssoftware.com/index.php?action=history&amp;feed=atom&amp;title=TTY_DEFCHAR2</id>
	<title>TTY DEFCHAR2 - Revision history</title>
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	<updated>2026-05-30T06:54:03Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.vmssoftware.com/index.php?title=TTY_DEFCHAR2&amp;diff=1420&amp;oldid=prev</id>
		<title>Jane.doe at 19:32, 13 November 2019</title>
		<link rel="alternate" type="text/html" href="https://wiki.vmssoftware.com/index.php?title=TTY_DEFCHAR2&amp;diff=1420&amp;oldid=prev"/>
		<updated>2019-11-13T19:32:03Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 19:32, 13 November 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;TTY_DEFCHAR2&#039;&#039;&#039; is a [[System &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Parameter&lt;/del&gt;|system parameter]] that sets a second longword of default terminal characteristics (the first being set by [[TTY_DEFCHAR]]). The default characteristics are represented as a code that is derived by summing the following hexadecimal values:&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;TTY_DEFCHAR2&#039;&#039;&#039; is a [[System &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Parameters&lt;/ins&gt;|system parameter]] that sets a second longword of default terminal characteristics (the first being set by [[TTY_DEFCHAR]]). The default characteristics are represented as a code that is derived by summing the following hexadecimal values:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{| class=&amp;quot;wikitable&amp;quot;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{| class=&amp;quot;wikitable&amp;quot;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Jane.doe</name></author>
	</entry>
	<entry>
		<id>https://wiki.vmssoftware.com/index.php?title=TTY_DEFCHAR2&amp;diff=1007&amp;oldid=prev</id>
		<title>Darya.zelenina: Created page with &quot;&#039;&#039;&#039;TTY_DEFCHAR2&#039;&#039;&#039; is a system parameter that sets a second longword of default terminal characteristics (the first being set by TTY_DEFCHAR). The def...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.vmssoftware.com/index.php?title=TTY_DEFCHAR2&amp;diff=1007&amp;oldid=prev"/>
		<updated>2019-07-02T09:09:29Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;#039;&amp;#039;&amp;#039;TTY_DEFCHAR2&amp;#039;&amp;#039;&amp;#039; is a &lt;a href=&quot;/index.php?title=System_Parameter&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;System Parameter (page does not exist)&quot;&gt;system parameter&lt;/a&gt; that sets a second longword of default terminal characteristics (the first being set by &lt;a href=&quot;/TTY_DEFCHAR&quot; title=&quot;TTY DEFCHAR&quot;&gt;TTY_DEFCHAR&lt;/a&gt;). The def...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;TTY_DEFCHAR2&amp;#039;&amp;#039;&amp;#039; is a [[System Parameter|system parameter]] that sets a second longword of default terminal characteristics (the first being set by [[TTY_DEFCHAR]]). The default characteristics are represented as a code that is derived by summing the following hexadecimal values:&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! colspan=&amp;quot;col&amp;quot; | Characteristic&lt;br /&gt;
! colspan=&amp;quot;col&amp;quot; | Value (Hex)&lt;br /&gt;
! colspan=&amp;quot;col&amp;quot; | Function&lt;br /&gt;
|-&lt;br /&gt;
| LOCALECHO&lt;br /&gt;
| 1&lt;br /&gt;
| Enable local echo terminal logic; use with the [[TTY_DEFCHAR]] NOECHO characteristic.&lt;br /&gt;
|-&lt;br /&gt;
| AUTOBAUD&lt;br /&gt;
| 2&lt;br /&gt;
| Enable autobaud detection&lt;br /&gt;
|-&lt;br /&gt;
| HANGUP&lt;br /&gt;
| 4&lt;br /&gt;
| Hang up on logout&lt;br /&gt;
|-&lt;br /&gt;
| MODHANGUP&lt;br /&gt;
| 8&lt;br /&gt;
|  Allow modification of HANGUP without privileges&lt;br /&gt;
|-&lt;br /&gt;
| BRDCSTMBX&lt;br /&gt;
| 10&lt;br /&gt;
|  Allow sending of broadcasts to mailboxes.&lt;br /&gt;
|-&lt;br /&gt;
| XON &lt;br /&gt;
| 20&lt;br /&gt;
| (No effect in this parameter.)&lt;br /&gt;
|-&lt;br /&gt;
| DMA&lt;br /&gt;
| 40&lt;br /&gt;
| (No effect in this parameter.)&lt;br /&gt;
|-&lt;br /&gt;
| ALTYPEAHD&lt;br /&gt;
| 80&lt;br /&gt;
| Use the alternate type-ahead parameters.&lt;br /&gt;
|-&lt;br /&gt;
| SETSPEED&lt;br /&gt;
| 100&lt;br /&gt;
|  Clear to allow setting of speed without privileges.&lt;br /&gt;
|-&lt;br /&gt;
| DCL_MAILBX&lt;br /&gt;
| 200&lt;br /&gt;
| Function reserved for VSI use only&lt;br /&gt;
|-&lt;br /&gt;
| DECCRT4 &lt;br /&gt;
| 400&lt;br /&gt;
| Terminal is DIGITAL CRT Level 4&lt;br /&gt;
|-&lt;br /&gt;
| COMMSYNC&lt;br /&gt;
| 800&lt;br /&gt;
| Enable flow control using modem signals&lt;br /&gt;
|-&lt;br /&gt;
| EDITING&lt;br /&gt;
| 1000&lt;br /&gt;
| Line editing allowed&lt;br /&gt;
|-&lt;br /&gt;
| INSERT&lt;br /&gt;
| 2000&lt;br /&gt;
| Sets default mode for insert&lt;br /&gt;
|-&lt;br /&gt;
| FALLBACK&lt;br /&gt;
| 4000&lt;br /&gt;
| Do not set this bit with SYSGEN&lt;br /&gt;
|-&lt;br /&gt;
| DIALUP&lt;br /&gt;
| 8000&lt;br /&gt;
| Terminal is a dialup line&lt;br /&gt;
|-&lt;br /&gt;
| SECURE&lt;br /&gt;
| 10000&lt;br /&gt;
| Guarantees that no process is connected to terminal after Break key is pressed&lt;br /&gt;
|-&lt;br /&gt;
| DISCONNECT&lt;br /&gt;
| 20000&lt;br /&gt;
| Allows terminal disconnect when a hangup occurs&lt;br /&gt;
|-&lt;br /&gt;
| PASTHRU&lt;br /&gt;
| 40000&lt;br /&gt;
| Terminal is in PASTHRU mode&lt;br /&gt;
|-&lt;br /&gt;
| SYSPWD&lt;br /&gt;
| 80000&lt;br /&gt;
| Log in with system password only&lt;br /&gt;
|-&lt;br /&gt;
| SIXEL&lt;br /&gt;
| 100000&lt;br /&gt;
| Sixel graphics&lt;br /&gt;
|-&lt;br /&gt;
| DRCS&lt;br /&gt;
| 200000&lt;br /&gt;
| Terminal supports loadable character fonts&lt;br /&gt;
|-&lt;br /&gt;
| PRINTER&lt;br /&gt;
| 400000&lt;br /&gt;
| Terminal has printer port&lt;br /&gt;
|-&lt;br /&gt;
| APP_KEYPAD&lt;br /&gt;
| 800000&lt;br /&gt;
| Notifies application programs of state to set keypad on exit&lt;br /&gt;
|-&lt;br /&gt;
| ANSICRT&lt;br /&gt;
| 1000000&lt;br /&gt;
| Terminal conforms to ANSI CRT programming standards&lt;br /&gt;
|-&lt;br /&gt;
| REGIS&lt;br /&gt;
| 2000000&lt;br /&gt;
| Terminal has REGIS CRT capabilities&lt;br /&gt;
|-&lt;br /&gt;
| BLOCK&lt;br /&gt;
| 4000000&lt;br /&gt;
| Block mode terminal&lt;br /&gt;
|-&lt;br /&gt;
| AVO&lt;br /&gt;
| 8000000&lt;br /&gt;
| Terminal has advanced video&lt;br /&gt;
|-&lt;br /&gt;
| EDIT&lt;br /&gt;
| 10000000&lt;br /&gt;
| Terminal has local edit capabilities&lt;br /&gt;
|-&lt;br /&gt;
| DECCRT&lt;br /&gt;
| 20000000&lt;br /&gt;
| Terminal is a DIGITAL CRT&lt;br /&gt;
|-&lt;br /&gt;
| DECCRT2&lt;br /&gt;
| 40000000&lt;br /&gt;
| Terminal is a DIGITAL CRT Level 2&lt;br /&gt;
|-&lt;br /&gt;
| DECCRT3&lt;br /&gt;
| 80000000&lt;br /&gt;
| Terminal is a DIGITAL CRT Level 3&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
The defaults are AUTOBAUD and EDITING.&lt;br /&gt;
&lt;br /&gt;
[[Category:System Parameters]]&lt;/div&gt;</summary>
		<author><name>Darya.zelenina</name></author>
	</entry>
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