69 lines
4.5 KiB
HTML
69 lines
4.5 KiB
HTML
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<meta name="DC.Title" content="Conventions and terminology used in the DDS information" />
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<meta name="abstract" content="Read this topic for explanations on the conventions and terminology used in the DDS information." />
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Conventions and terminology used in the DDS information</h1>
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<div><p>Read this topic for explanations on the conventions and terminology
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used in the DDS information.</p>
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<div class="section"> <ul><li>A <dfn class="term">keyword</dfn> is a name that identifies a function.</li>
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<li>A <dfn class="term">parameter</dfn> is an argument shown between the parentheses
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on a keyword that identifies a value or set of values you can use to tailor
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the function the keyword specifies.</li>
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<li>A <dfn class="term">value</dfn> is an actual value that you can use for a parameter.</li>
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<li>In the keyword descriptions, <dfn class="term">this field</dfn> or <dfn class="term">this record
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format</dfn> means the field or record format you are defining.</li>
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<li>The expression <dfn class="term">use this file- or record-level keyword</dfn> means
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the keyword is valid only at the file or record level.</li>
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<li><dfn class="term">To specify a keyword</dfn> means to code the keyword in the DDS
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for a file. This contrasts with <dfn class="term">to select a keyword</dfn> or <dfn class="term">when
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a keyword is in effect</dfn>, which both mean that any conditioning (such
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as one or more option indicators) is satisfied when an application program
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issues an input or output operation.</li>
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<li><dfn class="term">Current source</dfn> or <dfn class="term">source you are defining</dfn> means
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the DDS that together make up the description of one file.</li>
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<li>In sample displays, character fields are shown as Xs and numeric fields
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are shown as Ns.</li>
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<li>The 5250 Workstation Feature is a feature of the OS/2<sup>®</sup> communications manager that allows
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the personal computer to perform like a 5250 display station and use functions
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of <span class="keyword">i5/OS™</span>.</li>
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<li><dfn class="term">Logical file</dfn> includes join logical files, simple logical
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files, and multiple-format logical files.</li>
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<li><dfn class="term">Page</dfn> means to move information up or down on the display. <dfn class="term">Roll</dfn> means
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the same as page. <em>Paging keys</em> are the same as <dfn class="term">roll keys</dfn>.
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The PAGEDOWN keyword is the same as the ROLLUP keyword. The PAGEUP keyword
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is the same as the ROLLDOWN keyword.</li>
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</ul>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="displ.htm" title="You can specify positional entries for display files. Read this topic for rules and examples for filling in positions 1 through 44 of the data description specifications (DDS) form.">Define a display file for DDS</a></div>
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