diff --git a/CreateMarsJar.bat b/CreateMarsJar.bat
index 8c1e512..4c3c04a 100644
--- a/CreateMarsJar.bat
+++ b/CreateMarsJar.bat
@@ -1 +1 @@
-jar cmf mainclass.txt Mars.jar PseudoOps.txt Config.properties Syscall.properties Settings.properties MARSlicense.txt mainclass.txt MipsXRayOpcode.xml registerDatapath.xml controlDatapath.xml ALUcontrolDatapath.xml CreateMarsJar.bat Mars.java Mars.class docs help images mars 
\ No newline at end of file
+jar cmf mainclass.txt Mars.jar PseudoOps.txt Config.properties Syscall.properties Settings.properties MARSlicense.txt mainclass.txt MipsXRayOpcode.xml registerDatapath.xml controlDatapath.xml ALUcontrolDatapath.xml CreateMarsJar.bat CreateMarsJar.sh Mars.java Mars.class docs help images mars 
\ No newline at end of file
diff --git a/CreateMarsJar.sh b/CreateMarsJar.sh
index 8c1e512..0a35332 100755
--- a/CreateMarsJar.sh
+++ b/CreateMarsJar.sh
@@ -1 +1,2 @@
-jar cmf mainclass.txt Mars.jar PseudoOps.txt Config.properties Syscall.properties Settings.properties MARSlicense.txt mainclass.txt MipsXRayOpcode.xml registerDatapath.xml controlDatapath.xml ALUcontrolDatapath.xml CreateMarsJar.bat Mars.java Mars.class docs help images mars 
\ No newline at end of file
+# If you can't generate due of permissions, do a "chmod +x CreateMarsJar.sh".
+jar cmf mainclass.txt Mars.jar PseudoOps.txt Config.properties Syscall.properties Settings.properties MARSlicense.txt mainclass.txt MipsXRayOpcode.xml registerDatapath.xml controlDatapath.xml ALUcontrolDatapath.xml CreateMarsJar.bat CreateMarsJar.sh Mars.java Mars.class docs help images mars 
\ No newline at end of file
diff --git a/META-INF/MANIFEST.MF b/META-INF/MANIFEST.MF
deleted file mode 100644
index 339c410..0000000
--- a/META-INF/MANIFEST.MF
+++ /dev/null
@@ -1,5 +0,0 @@
-Manifest-Version: 1.0
-Class-Path: .
-Created-By: 1.6.0_33 (Sun Microsystems Inc.)
-Main-Class: Mars
-
diff --git a/README.md b/README.md
index ee748da..2927cef 100644
--- a/README.md
+++ b/README.md
@@ -21,10 +21,8 @@ I'm not going to accept any pull request. This source code is not maintained by
  - **Option C**: DOS shell using Java classes. Save the jar file in some folder. Open a DOS shell in that folder. Rename the jar file to "Mars.jar" for convenience. Extract MARS files with the DOS command  jar -xf Mars.jar Run MARS with the DOS command  java Mars
 
 ## How to compile
- - **Windows**: execute "CreateMarsJar.bat" file to generate an executable. You have to have 
-
-## To-Do
- - ".sh" file to create an executable. 
+ - **Windows**: execute "CreateMarsJar.bat" file to generate an executable.
+ - **GNU/Linux** and **Mac**: execute the "CreateMarsJar.sh" to generate an executable. If you can't due of permissions, do a "**chmod +x CreateMarsJar.sh**".
 
 ## License
 [MIT][2]. Chech the [LICENSE][3] file. All the credits go to the original developers.