1: no, it does not greate an archive in a file, it deploys it to the server in a different way (servlet)
2: since it is deployed to the server (see 1)
3: see 1
thanks a lot for your answers!
In number 3 there is a typing error:
I would like to know how to deploy the process without eclipse.
Do you know how it is possible?
create a processarchive with eclipse and upload it either via the webapplication or create you own program that does this. In the testcase in the source you can see how this can be done.