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+There are some differences between opensim-SC and standard OpenSim.  The
+most relevant ones are listed here.
+
+opensim-SC really only supports Debian based Linux operating systems at
+this stage.  Other operating systems, including Mac OS and Windows, will
+be added in the future.  Only Debian, Devuan, and Ubuntu have been
+tested.  Devuan ASCII is currently the best supported, as that's what I
+use.
+
+opensim-SC is generally optimised for CG, IG, and MG grids.
+
+
+Directory layout.
+-----------------
+
+opensim-SC expects to live inside a specific directory structure.  The
+InstallItAll.sh script creates that directory structure.  The external
+directory structure is in the example/ directory.  This tries to move
+anything writable and configurable out of the main tree.  Should make
+updates a bit easier.
+
+
+Config files.
+-------------
+
+The various config files have been optimised for CG, IG, and MG grids.
+
+bin/OpenSim.ini has been cut down drastically, with all the defaults now
+in bin/OpenSimDefaults.ini.
+
+For ROBUST, bin/Robust.ini is the configuration file.
+
+All actual configuration should be done in the external config/
+directory.  Common things in config/config.ini, and sim specific things
+in their respective sim directories.  ROBUST specific things should go in
+config/ROBUST/RobustExtra.ini
+
+bin/config-include/ has some example config.ini files, suitable for the
+IG and MG grids, as well as a local grid.
+
+Sims now have a few choices for performance trade offs.
+
+What used to be in bin/Regions/ is now in a [Region] block inside each
+sims configuration file.
+
+A few new configuration options have been added.  One or two have been
+deleted.
+
+
+Management scripts.
+-------------------
+
+Various Bash scripts have been added to make life easy.  These are likely
+to be translated into Lua scripts in the future.
+
+This includes an automated backup system if you add it to cron.  OAR
+files are created, IAR files for anyone that logged on since the last
+time the backup system ran.  IAR And OAR files are converted to a new
+format that includes git information, so you can go back in history.
+
+There are start and stop scripts for running the entire thing within
+tmux.
+
+
+Script engine.
+--------------
+
+There are three major changes to the script engine.  The general result
+of these are faster scripts.
+
+Lots of script functions include an arbitrary delay, which was done by LL
+many many years ago to reduce load on their servers I guess.  These have
+been removed.
+
+OpenSim created their silly function threat level system, some of which
+is just plain crazy.  A lot of functions have been removed from that
+system, and the functions that don't need to deal with it no longer waste
+time calling the threat level checking functions.
+
+For each function that was called, statistics where updated.  It turned
+out these statistics where counting the wrong thing as some sort of
+proxy, then displayed in the wrong place anyway.  After much
+investigation, I just ripped out that entire bogus system.
+
+
+Economy.
+--------
+
+The fake economy module has been faked even further, now your current
+balance displayed is the opensim-SC version number of the sim you are in. 
+Obviously this is not a real economy, spending any of it doesn't deduct
+from your balance.  You can still install a real economy module.
+
+
+Web pages.
+----------
+
+Using the built in OpenSim web server, the standard web pages now exist
+and are served at the ROBUST public port.  This includes statistics.
+
+
+Misc.
+-----
+
+Sims are 16km heigh.
+
+Rezzing distance limits are removed.
+
+Default logging level on the console is now INFO, coz DEBUG is just way
+too spammy.  Various other way too spammy log messages have had their
+volume lowered, or been totally silenced.
+
+Warp3DCachedImageModule from Christopher Latza has been merged.
+
+Consoles no longer have ? popping up help if you are in the middle of
+typing a command, coz sometimes you need to type ? as part of the
+command.
+
+Teleports that specify specific coords now actually go to those, instead
+of ray casting from 600 meters and landing on roofs.
+
+Allow sitting on attachments, and attaching things with people sitting on
+them.  Now we have to fix all the viewers that thought it would be great
+to enshrine this bug in viewer side.
+
+MySQL / MaridaDB MyISAM performs better for OpenSim, so all the tables
+are now that type.  It also makes backing up much easier.