diff --git a/README.md b/README.md
index b902a12..750581d 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,10 @@ Apple HGR to RGB NTSC
 Usage:
 ======
 
+* Win32: `bin/hgr2rgb.exe`
+* OSX  : `bin/hgr2rgb.osx`
+* Linux: `bin/hgr2rgb.elf`
+
 `bin/hgr2rgb.exe [-bmp | -tga] filename`
 
     -tga   Output to .tga (default)
@@ -20,8 +24,8 @@ Compiling
 =========
 
 * Win32: MSVC2010.sln
-
-* OSX: `make -f makefile.osx`
+* OSX:   `make`
+* Linux: `make`
 
 Screenshots
 ===========
diff --git a/makefile.osx b/makefile
similarity index 100%
rename from makefile.osx
rename to makefile
diff --git a/test.sh b/test.sh
index a8c7b76..487c233 100755
--- a/test.sh
+++ b/test.sh
@@ -1,5 +1,11 @@
 #!/bin/sh
-bin/hgr2rgb.x -tga hgr/archon.hgr2
-bin/hgr2rgb.x -bmp hgr/archon.hgr2
+UNAME=`uname -s`
+if   [ ${UNAME} == "Darwin" ]; then
+    APP=bin/hgr2rgb.osx
+elif [ ${UNAME} == "Linux" ]; then
+    APP=bin/hgr2rgb.elf
+fi
 
+${APP} -tga hgr/archon.hgr2
+${APP} -bmp hgr/archon.hgr2