diff --git a/Mac OS 7.5.5.command b/Mac OS 7.5.5.command
new file mode 100755
index 0000000..5628d3d
--- /dev/null
+++ b/Mac OS 7.5.5.command	
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+SHSH_ROM="$SHSH_ROM_DIR/6F5724C0 - Performa 6400.ROM"
+
+$SHSH_BIN \
+	--rom "$SHSH_ROM" \
+	--disk "$SHSH_TMP_DIR/Mac OS 7.5.5.img" \
+	--ramsize 16777216 \
+	--jit true \
+	--idlewait true \
+	--ignoresegv true \
+	--gfxaccel true \
+	--screen win/1024/768 \
+	--frameskip 0 \
+	$@