diff --git a/lib/ice-coder.js b/lib/ice-coder.js
index 1582297..cac23c2 100644
--- a/lib/ice-coder.js
+++ b/lib/ice-coder.js
@@ -393,6 +393,28 @@ var ICEcoder = {
 		cM.setLine(line,cM.getLine(line)+"<br>");
 	},
 
+	// Duplicate line
+	duplicateLine: function(line) {
+		var cM, ch;
+
+		cM = ICEcoder.getcMInstance();
+		if (!line) {line = cM.getCursor().line};
+		ch = cM.getCursor().ch;
+		cM.setLine(line,cM.getLine(line)+"\n"+cM.getLine(line));
+		cM.setCursor(line+1,ch);
+	},
+
+	// Remove line
+	removeLine: function(line) {
+		var cM, ch;
+
+		cM = ICEcoder.getcMInstance();
+		if (!line) {line = cM.getCursor().line};
+		ch = cM.getCursor().ch;
+		cM.removeLine(line);
+		cM.setCursor(line-1,ch);
+	},
+
 // ==============
 // FILES
 // ==============
@@ -1982,12 +2004,16 @@ var ICEcoder = {
 
 			// CTRL+numeric plus (New tab)
 			} else if(key==107 && top.ICEcoder.ctrlKeyDown==true) {
-				top.ICEcoder.newTab();
+				area=="content"
+				? top.ICEcoder.duplicateLine()
+				: top.ICEcoder.newTab();
 	        		return false;
 
 			// CTRL+numeric minus (Close tab)
 			} else if(key==109 && top.ICEcoder.ctrlKeyDown==true) {
-				top.ICEcoder.closeTab(top.ICEcoder.selectedTab);
+				area=="content"
+				? top.ICEcoder.removeLine()
+				: top.ICEcoder.closeTab(top.ICEcoder.selectedTab);
 	        		return false;
 
 			// CTRL+S (Save), CTRL+Shift+S (Save As)