diff --git a/Microsoft COBOL v21/m.bat b/Microsoft COBOL v21/m.bat
index cdfc966..749d96c 100644
--- a/Microsoft COBOL v21/m.bat	
+++ b/Microsoft COBOL v21/m.bat	
@@ -1,7 +1,7 @@
 del %1.obj 2>nul
 del %1.exe 2>nul
 
-ntvdm -t -r:. -h -c -d cobol %1,%1,%1/D;
+ntvdm -r:. -h -c -d cobol %1,%1,%1/D;
 
 ntvdm -c runcob %1
 echo:
diff --git a/Microsoft COBOL v21/m.sh b/Microsoft COBOL v21/m.sh
new file mode 100644
index 0000000..f512496
--- /dev/null
+++ b/Microsoft COBOL v21/m.sh	
@@ -0,0 +1,11 @@
+str=$(tr '[a-z]' '[A-Z]' <<< $1)
+
+rm $str.INT 2>/dev/null
+rm $str.LST 2>/dev/null
+
+ntvdm -u -r:. -h -c -d COBOL $str,$str,$str/D\;
+
+rm $str.LST 2>/dev/null
+
+ntvdm -u -r:. -c RUNCOB $str
+echo