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Linux Installation Instructions
The current distribution package for Linux consists of a .zip archive that unpacks to produce a hierarchy of files as follows:
ZereneStacker top level directory ZereneStacker.bsh launch script ZereneStacker.jar jar containing the application JREextensions directory containing numerous .jar files jre directory containing a Sun Java Runtime Environment for Linux (32-bit or 64-bit as appropriate)
The launch script assumes that the archive is unpacked into the user's home directory.
If it is unpacked to a different location, then you must edit the ZereneStacker.bsh launch script so that the symbol appdir points to the location where you unpacked the .zip file.
As distributed, the script says
appdir="$HOME/ZereneStacker"
If you download and unpack the archive to your Desktop, then the script should be edited to say
appdir="$HOME/Desktop/ZereneStacker"
With appdir properly set, executing the launch script should start Zerene Stacker, producing first a splash screen and then a full GUI as shown in the online documentation.