diff --git a/app/src/processing/app/Base.java b/app/src/processing/app/Base.java
index 1c55ec919..8a9853aec 100644
--- a/app/src/processing/app/Base.java
+++ b/app/src/processing/app/Base.java
@@ -173,6 +173,8 @@ public class Base {
         platformClass = Class.forName("processing.app.macosx.Platform");
       } else if (Base.isWindows()) {
         platformClass = Class.forName("processing.app.windows.Platform");
+      } else if (Base.isLinux()) {
+        platformClass = Class.forName("processing.app.linux.Platform");
       }
       platform = (Platform) platformClass.newInstance();
     } catch (Exception e) {
diff --git a/app/src/processing/app/Sketch.java b/app/src/processing/app/Sketch.java
index 5fa105749..4991bc618 100644
--- a/app/src/processing/app/Sketch.java
+++ b/app/src/processing/app/Sketch.java
@@ -1697,7 +1697,9 @@ public class Sketch {
       }
     }
 
-    File bagelJar = Base.getContentFile("core.jar");
+    File bagelJar = Base.isMacOS() ? 
+      Base.getContentFile("core.jar") :
+      Base.getContentFile("lib/core.jar");
     if (separateJar) {
       Base.copyFile(bagelJar, new File(appletFolder, "core.jar"));
       archives.append(",core.jar");
@@ -2134,8 +2136,9 @@ public class Sketch {
 
     /// add core.jar to the jar destination folder
 
-    //System.out.println(jarFolder);
-    File bagelJar = Base.getContentFile("core.jar");
+    File bagelJar = Base.isMacOS() ? 
+      Base.getContentFile("core.jar") :
+      Base.getContentFile("lib/core.jar");
     Base.copyFile(bagelJar, new File(jarFolder, "core.jar"));
     jarListVector.add("core.jar");
 
diff --git a/app/src/processing/app/linux/Platform.java b/app/src/processing/app/linux/Platform.java
index 91797acb8..752f95571 100644
--- a/app/src/processing/app/linux/Platform.java
+++ b/app/src/processing/app/linux/Platform.java
@@ -70,7 +70,7 @@ public class Platform extends processing.app.Platform {
       Process p = Runtime.getRuntime().exec(new String[] { "gnome-open" });
       /*int result =*/ p.waitFor();
       // Not installed will throw an IOException (JDK 1.4.2, Ubuntu 7.04)
-      Preferences.set("launcher.linux", "gnome-open");
+      Preferences.set("launcher", "gnome-open");
       return true;
     } catch (Exception e) { }
 
@@ -78,7 +78,7 @@ public class Platform extends processing.app.Platform {
     try {
       Process p = Runtime.getRuntime().exec(new String[] { "kde-open" });
       /*int result =*/ p.waitFor();
-      Preferences.set("launcher.linux", "kde-open");
+      Preferences.set("launcher", "kde-open");
       return true;
     } catch (Exception e) { }
 
@@ -87,6 +87,18 @@ public class Platform extends processing.app.Platform {
 
 
   public void openFolder(File file) throws Exception {
-
+    if (openFolderAvailable()) {
+      String lunch = Preferences.get("launcher");
+      try {
+        String[] params = new String[] { lunch, file.getAbsolutePath() };
+        //processing.core.PApplet.println(params);
+        Process p = Runtime.getRuntime().exec(params);
+        /*int result =*/ //p.waitFor();
+      } catch (Exception e) { 
+        e.printStackTrace();
+      }
+    } else {
+      System.out.println("not available");
+    }
   }
 }
diff --git a/build/shared/revisions.txt b/build/shared/revisions.txt
index 726413525..4cbd4f230 100644
--- a/build/shared/revisions.txt
+++ b/build/shared/revisions.txt
@@ -7,7 +7,7 @@ releases will be super crusty.
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
 
 
-ABOUT REV 0149 - 14 October 2008
+ABOUT REV 0149 - 15 October 2008
 
 Very large number of bug fixes and changes. All renderers that use 
 PGraphics will need to be updated for this release. That means you'll
@@ -159,6 +159,9 @@ Also many, many updates to the examples and reference in this release.
 + "IllegalMonitorStateException: current thread not owner" with delay()
   http://dev.processing.org/bugs/show_bug.cgi?id=894
 
++ Fix "Show Sketch Folder" on Linux, and prevent launcher error whenever
+  exporting a sketch on Linux. (Regression since ~0140)
+
 + Make parseFloat() with String[] array return NaN for missing values
   http://processing.org/discourse/yabb_beta/YaBB.cgi?board=Syntax;action=display;num=1220880375