diff -u a/CaGe.ini b/CaGe.ini
--- a/CaGe.ini	2015-04-30 15:08:14.000000000 +0200
+++ b/CaGe.ini	2020-08-22 14:31:28.220417000 +0200
@@ -20,7 +20,7 @@
 
 # If this is true (or yes or 1), let user edit generator and embedder commands
 # and suppress the warning about Rasmol's unreliability.
-CaGe.ExpertMode:	false
+CaGe.ExpertMode:	true
 
 
 # If this is true (or yes or 1), print detailed information to standard error.
@@ -55,13 +55,13 @@
 #   The installation includes an empty subdirectory called "Data"
 #   and here, commented out, is a setting for RunDir that uses it.
 # CaGe.Generators.RunDir:		$[CaGe.InstallDir]/Data
-CaGe.Generators.RunDir:		.
+CaGe.Generators.RunDir:		${HOME}/.cage
 
 # The search path used for generator and embedder processes, as well as
 # any other pipes started by entering file names starting with '|'.
 # - Separate path entries by space, not by ':' or ';' or whatever.
 # - The search path is relative to RunDir, not to the start directory.
-CaGe.Generators.Path:		$[CaGe.InstallDir]/Generators ${PATH}
+CaGe.Generators.Path:		$(CaGe.Generators.RunDir)/Generators $[CaGe.InstallDir]/Generators ${PATH}
 
 # A file for generators' stderr output, relative to the start directory.
 # CaGe tries to delete this at the end, even if no generator was ever run.
@@ -255,4 +255,4 @@
 # The following property specifies the class for the default type
 Scad.type: cage.writer.scad.BallStickType
 # The next property specifies the default resolution to use for SCAD outputs
-Scad.resolution: medium
\ No newline at end of file
+Scad.resolution: medium
diff -u a/cage.sh b/cage.sh
--- a/cage.sh	2015-07-15 10:28:04.000000000 +0200
+++ b/cage.sh	2020-08-22 15:00:33.654414263 +0200
@@ -80,9 +80,9 @@
         -classpath "$cp1$cp2" \
         -Xdock:name="CaGe" \
         -Xdock:icon=img/logo.png \
-        cage.CaGe 2>"$CaGe_InstallDir"./cage.log
+        cage.CaGe
   else sh "$CaGe_InstallDir"./java \
         -D"CaGe.InstallDir=$CaGe_InstallDir_NoSlash" \
         -classpath "$cp1$cp2" \
-        cage.CaGe 2>"$CaGe_InstallDir"./cage.log
+        cage.CaGe
 fi
diff -u a/INSTALL.sh b/INSTALL.sh
--- a/INSTALL.sh	2015-03-05 14:14:22.000000000 +0100
+++ b/INSTALL.sh	2020-08-22 14:58:33.640648487 +0200
@@ -165,11 +165,8 @@
 }
 
 
-add_to_javadirlist "$PATH" ":"
-prepare_javadirlist_prompt
-
 choice=""
-while [ -z "$choice" ]
+while false
 do
    echo ""
    test -n "$javadirlist" && echo "$nl$javadirlist"
@@ -217,7 +214,7 @@
    fi
 done
 
-javadir="` cd \"$javadir\"; pwd `"
+javadir="/usr/lib/jvm/java-8-openjdk"
 echo ""
 echo "   Ok."
 echo ""
@@ -257,7 +254,7 @@
 echo ""
 (
 cd PreCompute &&
-make
+make CFLAGS="-O4 -w -fcommon"
 make compute &
 ) || error_exit "-  'make' failure, aborting."
 echo ""
@@ -269,7 +266,7 @@
 echo ""
 (
 cd Generators &&
-make
+make CFLAGS="-O4 -w -fcommon"
 ) || error_exit "-  'make' failure, aborting."
 echo ""
 echo "   Ok."
@@ -293,4 +290,3 @@
 echo "   CaGe is started by the 'cage.sh' command."
 echo "   The file 'CaGe.ini' contains some options and comments."
 echo ""
-