diff --git a/chrome/content/zotero/preferences/preferences.js b/chrome/content/zotero/preferences/preferences.js
index f025157c2..344e25ea5 100644
--- a/chrome/content/zotero/preferences/preferences.js
+++ b/chrome/content/zotero/preferences/preferences.js
@@ -739,9 +739,6 @@ function updateIndexStats() {
 }
 
 
-/*
- * Unused
- */
 function revealDataDirectory() {
 	var dataDir = Zotero.getZoteroDirectory();
 	dataDir.QueryInterface(Components.interfaces.nsILocalFile);
@@ -749,7 +746,12 @@ function revealDataDirectory() {
 		dataDir.reveal();
 	}
 	catch (e) {
-		// TODO: This won't work on Linux
+		// On platforms that don't support nsILocalFile.reveal() (e.g. Linux), we
+		// open a small window with a selected read-only textbox containing the
+		// file path, so the user can open it, Control-c, Control-w, Alt-Tab, and
+		// Control-v the path into another app
+		var io = {alertText: dataDir.path};
+		window.openDialog('chrome://zotero/content/selectableAlert.xul', "zotero-reveal-window", "chrome", io);
 	}
 }
 
diff --git a/chrome/content/zotero/preferences/preferences.xul b/chrome/content/zotero/preferences/preferences.xul
index 0156dd108..3f9bd710f 100644
--- a/chrome/content/zotero/preferences/preferences.xul
+++ b/chrome/content/zotero/preferences/preferences.xul
@@ -388,6 +388,10 @@ To add a new preference:
 					<button label="&zotero.preferences.dataDir.choose;" oncommand="var file = Zotero.chooseZoteroDirectory(true); if (!file) { event.stopPropagation(); }"/>
 				</hbox>
 			</radiogroup>
+			
+			<hbox>
+				<button label="&zotero.preferences.dataDir.reveal;" oncommand="revealDataDirectory()"/>
+			</hbox>
 		</groupbox>
 		
 		<groupbox>
diff --git a/chrome/locale/en-US/zotero/preferences.dtd b/chrome/locale/en-US/zotero/preferences.dtd
index a3b63d3c5..8997dc3d9 100644
--- a/chrome/locale/en-US/zotero/preferences.dtd
+++ b/chrome/locale/en-US/zotero/preferences.dtd
@@ -76,6 +76,7 @@
 <!ENTITY zotero.preferences.dataDir.useProfile			"Use Firefox profile directory">
 <!ENTITY zotero.preferences.dataDir.custom				"Custom:">
 <!ENTITY zotero.preferences.dataDir.choose				"Choose...">
+<!ENTITY zotero.preferences.dataDir.reveal				"Show Data Directory">
 
 <!ENTITY zotero.preferences.dbIntegrity				"Database Integrity">
 <!ENTITY zotero.preferences.dbIntegrity.integrityCheck	"Check Database Now">
\ No newline at end of file