helptext.html: backport of section about text-based location creation

git-svn-id: https://svn.osgeo.org/grass/grass/branches/releasebranch_7_0@68811 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/init/helptext.html

@@ -10,7 +10,10 @@ as well as by many governmental agencies and environmental consulting
 companies. GRASS GIS is an official project of the Open Source Geospatial
 Foundation (OSGeo).
 
-<h2>1. Startup of GRASS GIS</h2>
+<h2>1. Graphical startup of GRASS GIS</h2>
+
+<i>For text-based startup see below.</i>
+<p>
 
 After <a href="grass7.html">launching</a> GRASS GIS, the startup screen will open:
 <p>
@@ -155,6 +158,27 @@ and display them. If your LOCATION is empty you can import your data from
 the menu: Go to "File" -&gt; "Import raster/vector data" (see also the
 related Wiki page on <a href="http://grasswiki.osgeo.org/wiki/Importing_data">Importing data</a>).
 
+<h2>5. Text-based startup and location creation</h2>
+
+GRASS GIS can be run entirely without using the graphical user interface.
+For a first time startup, the following steps have to be followed:
+
+<ol>
+<li> Create a GRASS GIS database as explained above.</li>
+<li> Create a new location, including it's default PERMANENT mapset,
+     without entering the new location:</li>
+<ul>
+    <li>Using an EPSG code:<br>
+        &nbsp;<tt>grass70 -e -c EPSG:32630 /home/user/grassdata/mylocation</tt></li>
+    <li>Using a georeferenced raster or vector file:<br>
+        &nbsp;<tt>grass70 -e -c MyGeoReferenceFile.tif /home/user/grassdata/mylocation</tt></li>
+</ul>
+<li> Create new mapset within the new location and launch GRASS GIS within
+     that mapset: <br>
+        &nbsp;<tt>grass70 -c /home/user/grassdata/mylocation/mymapset</tt>
+</ol>
+
+
 <h2>Further Reading</h2>
 
 Please have a look at the GRASS GIS web site for tutorials and books:
@@ -169,4 +193,7 @@ Please have a look at the GRASS GIS web site for tutorials and books:
 </em>
 
 <p>
+ <a href="http://epsg.io/">List of EPSG codes</a> (Database of worldwide coordinate systems)
+
+<p>
 <i>Last changed: $Date$</i>