diff --git a/01-the-very-basics/HelloWorld.m b/01-the-very-basics/HelloWorld.m
deleted file mode 100755
index 7bcd813..0000000
--- a/01-the-very-basics/HelloWorld.m
+++ /dev/null
@@ -1 +0,0 @@
- write "Hello world",!
\ No newline at end of file
diff --git a/01-the-very-basics/ArithmeticOperations.m b/basics/ArithmeticOperations.m
old mode 100755
new mode 100644
similarity index 100%
rename from 01-the-very-basics/ArithmeticOperations.m
rename to basics/ArithmeticOperations.m
diff --git a/01-the-very-basics/Arrays.m b/basics/Arrays.m
old mode 100755
new mode 100644
similarity index 100%
rename from 01-the-very-basics/Arrays.m
rename to basics/Arrays.m
diff --git a/01-the-very-basics/ArraysShortened.m b/basics/ArraysShortened.m
similarity index 100%
rename from 01-the-very-basics/ArraysShortened.m
rename to basics/ArraysShortened.m
diff --git a/basics/HelloWorld.m b/basics/HelloWorld.m
new file mode 100644
index 0000000..f389b47
--- /dev/null
+++ b/basics/HelloWorld.m
@@ -0,0 +1 @@
+ w !,"Hello World"
diff --git a/01-the-very-basics/HelloWorldInAnotherLoop.m b/basics/HelloWorldInAnotherLoop.m
old mode 100755
new mode 100644
similarity index 100%
rename from 01-the-very-basics/HelloWorldInAnotherLoop.m
rename to basics/HelloWorldInAnotherLoop.m
diff --git a/01-the-very-basics/HelloWorldInLoop.m b/basics/HelloWorldInLoop.m
old mode 100755
new mode 100644
similarity index 100%
rename from 01-the-very-basics/HelloWorldInLoop.m
rename to basics/HelloWorldInLoop.m
diff --git a/01-the-very-basics/HelloWorldInNestedLoop.m b/basics/HelloWorldInNestedLoop.m
old mode 100755
new mode 100644
similarity index 100%
rename from 01-the-very-basics/HelloWorldInNestedLoop.m
rename to basics/HelloWorldInNestedLoop.m