# PETSc Options, IO, and System Utilities

PETSc provides a variety of "system" level routines, including parallel file
access, graphics, options management, and synchronized printing to screen.

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Directories
<p><a href="string/index.html">string</a><br>
<a href="vu/index.html">vu</a><br>
<a href="glvis/index.html">glvis</a><br>
<a href="matlab/index.html">matlab</a><br>
<a href="adios/index.html">adios</a><br>
<a href="mathematica/index.html">mathematica</a><br>
<a href="vtk/index.html">vtk</a><br>
<a href="pyvista/index.html">pyvista</a><br>
<a href="draw/index.html">draw</a><br>
<a href="cgns/index.html">cgns</a><br>
<a href="hdf5/index.html">hdf5</a><br>
<a href="ascii/index.html">ascii</a><br>
<a href="python/index.html">python</a><br>
<a href="socket/index.html">socket</a><br>
<a href="ams/index.html">ams</a><br>