diff --git a/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleControl.cs b/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleControl.cs
index 0a7705332..e34d05988 100644
--- a/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleControl.cs
+++ b/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleControl.cs
@@ -1,4 +1,4 @@
-#if !PORTABLE
+#if !LINUX
 /********************************************************************++
 Copyright (c) Microsoft Corporation.  All rights reserved.
 --********************************************************************/
diff --git a/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHost.cs b/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHost.cs
index 886b1539f..e8363a6c8 100644
--- a/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHost.cs
+++ b/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHost.cs
@@ -293,7 +293,7 @@ namespace Microsoft.PowerShell
         /// </summary>
         /// <param name="signal"></param>
         /// <returns></returns>
-#if PORTABLE
+#if LINUX
         private static void MyBreakHandler(object sender, ConsoleCancelEventArgs args)
         {
             // Set the Cancel property to true to prevent the process from terminating.
@@ -461,7 +461,7 @@ namespace Microsoft.PowerShell
             // call the console APIs directly, instead of ui.rawui.FlushInputHandle, as ui may be finalized
             // already if this thread is lagging behind the main thread.
 
-#if !PORTABLE
+#if !LINUX
             ConsoleHandle handle = ConsoleControl.GetConioDeviceHandle();
             ConsoleControl.FlushConsoleInputBuffer(handle);
 #endif
@@ -1059,7 +1059,7 @@ namespace Microsoft.PowerShell
 
         private void BindBreakHandler()
         {
-#if PORTABLE
+#if LINUX
             Console.CancelKeyPress += new ConsoleCancelEventHandler(MyBreakHandler);
 #else
             breakHandlerGcHandle = GCHandle.Alloc(new ConsoleControl.BreakHandler(MyBreakHandler));
@@ -1118,7 +1118,7 @@ namespace Microsoft.PowerShell
         {
             if (!isDisposed)
             {
-#if !PORTABLE
+#if !LINUX
                 Dbg.Assert(breakHandlerGcHandle != null, "break handler should be set");
                 ConsoleControl.RemoveBreakHandler();
                 breakHandlerGcHandle.Free();
@@ -2867,7 +2867,7 @@ namespace Microsoft.PowerShell
             /// </summary>
             private RunspaceRef runspaceRef;
 
-#if !PORTABLE
+#if !LINUX
         private GCHandle breakHandlerGcHandle;
 #endif
         private System.Threading.Thread breakHandlerThread;
diff --git a/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHostRawUserInterface.cs b/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHostRawUserInterface.cs
index 77986f8d8..2c260fb47 100644
--- a/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHostRawUserInterface.cs
+++ b/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHostRawUserInterface.cs
@@ -1,4 +1,4 @@
-#if !PORTABLE
+#if !LINUX
 /********************************************************************++
 Copyright (c) Microsoft Corporation.  All rights reserved.
 --********************************************************************/
diff --git a/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHostUserInterface.cs b/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHostUserInterface.cs
index a7db0f5bf..8dbf99f24 100644
--- a/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHostUserInterface.cs
+++ b/src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHostUserInterface.cs
@@ -14,7 +14,7 @@ using System.Management.Automation.Internal;
 using System.Management.Automation.Host;
 using System.Security;
 using Dbg = System.Management.Automation.Diagnostics;
-#if !PORTABLE
+#if !LINUX
 using ConsoleHandle = Microsoft.Win32.SafeHandles.SafeFileHandle;
 #endif
 
@@ -61,7 +61,7 @@ namespace Microsoft.PowerShell
             this.parent = parent;
             this.rawui = new ConsoleHostRawUserInterface(this);
 
-#if PORTABLE
+#if LINUX
             this._supportsVirtualTerminal = true;
 #else
             try
@@ -285,7 +285,7 @@ namespace Microsoft.PowerShell
 
         private object ReadLineSafe(bool isSecureString, char? printToken)
         {
-#if PORTABLE
+#if LINUX
             throw new PlatformNotSupportedException("Cannot read secure strings!");
 #else
             // Don't lock (instanceLock) in here -- the caller needs to do that...
@@ -411,7 +411,7 @@ namespace Microsoft.PowerShell
 #endif
         }
 
-#if !PORTABLE
+#if !LINUX
 
         /// <summary>
         ///
@@ -560,7 +560,7 @@ namespace Microsoft.PowerShell
         internal void WriteToConsole(string value, bool transcribeResult)
         {
 
-#if !PORTABLE
+#if !LINUX
             ConsoleHandle handle = ConsoleControl.GetActiveScreenBufferHandle();
 
             // Ensure that we're in the proper line-output mode.  We don't lock here as it does not matter if we
@@ -583,7 +583,7 @@ namespace Microsoft.PowerShell
 
             // This is atomic, so we don't lock here...
 
-#if !PORTABLE
+#if !LINUX
             ConsoleControl.WriteConsole(handle, value);
 #else
             Console.Out.Write(value);
@@ -1637,7 +1637,7 @@ namespace Microsoft.PowerShell
 
         private string ReadLineFromConsole(bool endOnTab, string initialContent, bool calledFromPipeline, ref string restOfLine, ref ReadLineResult result)
         {
-#if PORTABLE
+#if LINUX
             return ReadLineFromFile(initialContent);
 #else
             ConsoleHandle handle = ConsoleControl.GetConioDeviceHandle();
@@ -1771,7 +1771,7 @@ namespace Microsoft.PowerShell
         /// </summary>
         /// <param name="cursorPosition">the cursor position where 'tab' is hit</param>
         /// <returns></returns>
-#if !PORTABLE
+#if !LINUX
         private char GetCharacterUnderCursor(Coordinates cursorPosition)
         {
             Rectangle region = new Rectangle(0, cursorPosition.Y, RawUI.BufferSize.Width - 1, cursorPosition.Y);
@@ -1840,7 +1840,7 @@ namespace Microsoft.PowerShell
 
             ReadLineResult rlResult = ReadLineResult.endedOnEnter;
 
-#if !PORTABLE
+#if !LINUX
             ConsoleHandle handle = ConsoleControl.GetActiveScreenBufferHandle();
 
             string lastCompletion = "";
@@ -1874,7 +1874,7 @@ namespace Microsoft.PowerShell
                     break;
                 }
 
-#if PORTABLE // Portable code only ends on enter (or no input), so tab is not processed
+#if LINUX // Portable code only ends on enter (or no input), so tab is not processed
                 throw new PlatformNotSupportedException("This readline state is unsupported in portable code!");
 #else
 
@@ -2000,7 +2000,7 @@ namespace Microsoft.PowerShell
             return input;
         }
 
-#if !PORTABLE
+#if !LINUX
         private void SendLeftArrows(int length)
         {
             var inputs = new ConsoleControl.INPUT[length * 2];
diff --git a/src/Microsoft.PowerShell.ConsoleHost/project.json b/src/Microsoft.PowerShell.ConsoleHost/project.json
index f79fb421f..d46da8d86 100644
--- a/src/Microsoft.PowerShell.ConsoleHost/project.json
+++ b/src/Microsoft.PowerShell.ConsoleHost/project.json
@@ -31,6 +31,15 @@
         ]
     },
 
+    "configurations": {
+        "Linux": {
+            "buildOptions": {
+                "define": [ "LINUX" ]
+            }
+        }
+    },
+
+
     "dependencies": {
         "Microsoft.PowerShell.PSReadLine": "1.0.0-*",
         "Microsoft.PowerShell.Commands.Diagnostics": "1.0.0-*",