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<h2>DESCRIPTION</h2>
<em>g.version</em> prints to standard output the GRASS version number,
date, the GRASS GIS copyright (<b>-c</b> flag), and GRASS build information
(<b>-b</b> flag).
<h2>NOTES</h2>
This program requires no command line arguments; the user simply types
<em>g.version</em> on the command line to see the version number and
date of the GRASS GIS software currently being run by the user.
<p>
Information about GRASS GIS
core <a href="https://grass.osgeo.org/programming8/gislib.html">GIS
Library</a> can be printed by <b>-r</b> flag.
<p>
Version numbers of additional libraries
like <a href="https://proj.org/">PROJ</a>, <a href="https://gdal.org/">GDAL/OGR</a>
or <a href="https://trac.osgeo.org/geos">GEOS</a> are printed
by <b>-e</b> flag.
<p>
See also function <code>version()</code>
from <a href="https://grasswiki.osgeo.org/wiki/GRASS_Python_Scripting_Library">Python
Scripting Library</a>.
<div class="code"><pre>
import grass.script as gcore
print gcore.version()
</pre></div>
<h2>EXAMPLES</h2>
<h3>Basic info</h3>
<div class="code"><pre>
g.version
GRASS 8.4.0 (2024)
</pre></div>
<h3>GIS Library info</h3>
<div class="code"><pre>
g.version -r
GRASS 8.4.0 (2024)
libgis revision: c9e8576cf
libgis date: 2024-04-27T09:38:49+00:00
</pre></div>
<h3>Full info in shell script style</h3>
<div class="code"><pre>
g.version -rge
version=8.4.0
date=2024
revision=d57f40906
build_date=2024-05-23
build_platform=x86_64-pc-linux-gnu
build_off_t_size=8
libgis_revision=c9e8576cf
libgis_date=2024-04-27T09:38:49+00:00
proj=8.2.1
gdal=3.4.3
geos=3.9.2
sqlite=3.36.0
</pre></div>
Note: if <code>revision=exported</code> is reported instead of the git hash then the
<code>git</code> program was not available during compilation of GRASS GIS and the
source code did not contain the <code>.git/</code> subdirectory (requires e.g. to
<code>git clone</code> the GRASS GIS <a href="https://github.com/OSGeo/grass/">software repository</a>.)
<h2>Citing GRASS GIS</h2>
The GRASS Development Team has invested significant time and effort
in creating GRASS GIS, please cite it when using it for data analysis.
The GRASS GIS <a href="https://grass.osgeo.org/about/license/">Web site</a>
offers citations in different styles.
<!-- TODO: g.version should offer this right away -->
<h2>AUTHORS</h2>
Michael Shapiro,
U.S. Army Construction Engineering
Research Laboratory<br>
Extended info by Martin Landa, Czech Technical University in Prague, Czech Republic
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