API of hosting hook function

I wanna implement like the following:
1. I can create task by myself (like : create content -> xxx_task);
2. the task which I create is to use drush to enable modules of a site or all sites in a same platform.

I am working on this but I searched internet and could not find any api about the hook in module hosting, so I do not know how to do this. I wonder if someone could tell me where could I find some documents as to the hook function of module hosting or how could I do this work.

Thanks a lot.