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113 lines
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<meta name="DC.Title" content="Delete and clear libraries" />
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<meta name="abstract" content="When you delete a library with the Delete Library (DLTLIB) command, you delete the objects in the library as well as the library itself." />
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<title>Delete and clear libraries</title>
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</head>
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<body id="dclib"><a name="dclib"><!-- --></a>
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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">Delete and clear libraries</h1>
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<div><p>When you delete a library with the <span class="cmdname">Delete Library (DLTLIB)</span> command,
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you delete the objects in the library as well as the library itself. </p>
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<div class="section"><p> When you clear a library with the <span class="cmdname">Clear Library (CLRLIB)</span> command,
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you delete objects in the library without deleting the library. To delete
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or clear a library, all you need to specify is the library name. For example:
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</p>
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<pre>DLTLIB LIB(DISTLIB)</pre>
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<pre>CLRLIB LIB(DISTLIB)</pre>
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<p>To delete a library, you must have object existence authority
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for both the library and the objects within the library, and use authority
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for the library. If you try to delete a library but do not have object existence
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authority for all the objects in the library, the library and all objects
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for which you do not have authority are not deleted. All objects for which
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you have authority are deleted. If you try to delete a library
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but do not have object existence authority for the library, not only is the
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library not deleted, but none of the objects in the library are deleted.
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If you want to delete a specific object (for which you have object existence
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authority), you can use a delete command for that type of object, such as
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the <span class="cmdname">Delete Program (DLTPGM)</span> command.</p>
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<p>You cannot delete
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a library in an active job's library list. You must wait until the end of
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the job before the deletion of the library is allowed. Because of this, you
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must delete the library before the next routing step begins. When you delete
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a library, you must be sure no one else needs the library or the objects within
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the library.</p>
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<div class="p">If a library is part of the initial library list defined
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by the system values QSYSLIBL and QUSRLIBL, the following steps should be
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followed to delete the library: <ol><li>Use the <span class="cmdname">Change System Value (CHGSYSVAL)</span> command to
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remove the library from the system value it is contained in. (The changed
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system value does not affect the library list of any jobs running.)</li>
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<li>Use the <span class="cmdname">Change Library List (CHGLIBL)</span> command to change
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the job's library list. <p>The <span class="cmdname">Change System Library List (CHGSYSLIBL)</span>, <span class="cmdname">Add
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Library List Entry (ADDLIBLE)</span>, <span class="cmdname">Edit Library List (EDTLIBL)</span>,
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and <span class="cmdname">Remove Library List Entry (RMVLIBLE)</span> commands are also
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used to change the library list.</p>
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</li>
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<li>Use the <span class="cmdname">Delete Library (DLTLIB)</span> command to delete the
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library and the objects in the library.</li>
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</ol>
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<div class="note"><span class="notetitle">Note:</span> You cannot delete the library QSYS and should not delete any objects
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in it. You may cause the system to end because the system needs objects that
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are in QSYS to operate properly. You should not delete the library QGPL because
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it also contains some objects that are necessary for the system to be able
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to perform effectively. You should not use the library QRECOVERY because
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it is intended for system use only. The library QRECOVERY contains objects
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that the system needs to operate properly.</div>
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</div>
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<p>To clear a library,
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you must have object existence authority for the objects within the library
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and use authority for the library. If you try to clear a library but do not
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have object existence authority for all the objects in the library, the objects
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you do not have authority for are not deleted from the library. If an object
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is allocated to someone else, it is not deleted.</p>
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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="uslib.htm" title="A library is an object used to group related objects and to find objects by name. Thus, a library is a directory to a group of objects.">Use libraries</a></div>
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</div>
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<div class="reltasks"><strong>Related tasks</strong><br />
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<div><a href="delob.htm" title="To delete an object, you can use a delete (DLTxxx) command for that type of object or you can use the delete option on the Work with Objects display (shown from the Work with Libraries (WRKLIB) display).">Delete objects</a></div>
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</div>
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<div class="relinfo"><strong>Related information</strong><br />
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<div><a href="../clfinder/finder.htm">CL command finder</a></div>
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<div><a href="../cl/clrlib.htm">Clear Library (CLRLIB) command</a></div>
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<div><a href="../cl/dltlib.htm">Delete Library (DLTLIB) command</a></div>
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<div><a href="../cl/chglibl.htm">Change Library List (CHGLIBL) command</a></div>
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<div><a href="../cl/chgsysval.htm">Change System Value (CHGSYSVAL) command</a></div>
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<div><a href="../cl/rmvlible.htm">Remove Library List Entry (RMVLIBLE) command</a></div>
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</div>
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</div>
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</body>
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</html>
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