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# 3.5 Installing the Startup Script

To make the startup of XGAP more convenient there is a startup script which contains also some configuration information like the position of your GAP installation. It is in the ``xgap'' directory and is called ``xgap.sh''. This file is automatically generated by the `configure` script and normally you should not have to change anything in it. Just copy it to some location that people have in their ``PATH'' environment variable, for example to ``/usr/local/bin''. This completes the installation.

If you want to change anything in the installation, you can also edit the script until the line

    ##  STOP EDITING HERE !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

You can specify the directory where GAP is installed (``GAP_DIR''), the amount of memory that GAP should use as initial workspace (``GAP_MEM''), the name of the GAP-executable (``GAP_PRG'') and the name of the XGAP-executable (``XGAP_PRG''). The first three are exactly the same things that you could edit in the main GAP startup script. After that you have the possibility to control the behaviour of the XGAP startup script. You can specify whether XGAP goes into the background (``DAEMON'') and whether it prints out information about its parameters (``VERBOSE''). Note that it is possible to combine ``DAEMON=YES'' and ``VERBOSE=YES'' because the script actually runs in the foreground and only the C program is put into the background.

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