Updated Basic Usage (markdown)

Basic-Usage.md

@@ -1,3 +1,13 @@
+## List commands and modules
+To list all commands and aliases use the following command:
+```code
+>> help
+```
+For a complete list of modules, run: 
+```code
+>> help -M
+```
+
 ## Find commands and modules help
 First of all it is important to know that nearly all commands in pupy have a help builtin. So if at any moment you are wondering what a command does you can type your command followed by `-h` or `--help`.
 ```code