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<H2><A NAME="sec:2.14"><SPAN class="sec-nr">2.14</SPAN> <SPAN class="sec-title">Garbage
Collection</SPAN></A></H2>
<A NAME="sec:gc"></A>
<P>SWI-Prolog provides garbage-collection, last-call optimization and
atom garbage collection. These features are controlled using Prolog
flags (see <A NAME="idx:currentprologflag2:207"></A><A class="pred" href="flags.html#current_prolog_flag/2">current_prolog_flag/2</A>).
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