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<! "@(#)environ.so 10.5 (Sleepycat) 11/2/98">
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<title>Berkeley DB Reference Guide: Programmer Notes</title>
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<h3>Berkeley DB Reference Guide: Programmer Notes</h3>
<p>
<h1 align=center>Environmental variables</h1>
<p>
The Berkeley DB library uses the following environment variables:
<p>
<dl compact>
<p><dt>DB_HOME<dd>
If the environment variable DB_HOME is set, it is used as part of
<a href="../../ref/env/naming.html">File Naming</a>. Note, either the
<a href="../../api_c/DbEnv/appinit.html#DB_USE_ENVIRON">DB_USE_ENVIRON</a> or <a href="../../api_c/DbEnv/appinit.html#DB_USE_ENVIRON_ROOT">DB_USE_ENVIRON_ROOT</a> flags must be
specified to <a href="../../api_c/DbEnv/appinit.html">db_appinit</a> for the DB_HOME variable to take effect.
<p><dt>TMPDIR, TEMP, TMP, TempFolder<dd>
The TMPDIR, TEMP, TMP and TempFolder environmental variables are all
checked as locations in which to create temporary files. See
<a href="../../ref/env/naming.html#DB_TMP_DIR">DB_TMP_DIR</a> in <a href="../../ref/env/naming.html">File Naming</a>
for more information.
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