Update README.md

Added more documetation.

Author: keinhaar

README.md

@@ -5,6 +5,28 @@ This tool makes an AES encrypted backup of some folder directly in the cloud. Th
 Even the Metadata like filenames are encrypted, so nobody will be able to see any information about the data you uploaded.
 
 ## usage
+### Windows
+Windows users can use the native exe version or the java implementation. The parameters are the same for all Versions.
+
+### Linux
+Linux users can use the native version or the java implementation. The parameters are the same for all Versions.
+
+### OSX
+OSX users can use the java implementation. The parameters are the same for all Versions.
+
+### general call syntax
+```crypt2cloud [--backup | --restore | --list] --password PASSWORD --plaindir DIRECTORY --cryptdir DIRECTORY [--path SUBPATH]```
+
+for tha java version use this
+
+```java -jar crypt2cloud.jar [--backup | --restore | --list] --password PASSWORD --plaindir DIRECTORY --cryptdir DIRECTORY [--path SUBPATH]```
+
+*--backup* will store plain files into the crypted directory.\
+*--restore* will restore plain files from the crypted directory.\
+*--list* will list the files stored in the crypted directory.\
+*--path* will limit the operation to only the given path. Useful to limit restore to single files or directories, or if you know, that backup only needs to be performed on some directories.
+
+### examples
 Make sure you have mounted your cloud folder. We asume you used */media/cloud* in this examples.
 
 To backup data in the folder */data/private* use this command.