android System files

[pinkbeetle]

where can i get a information about what every file of the android system is doing?
so its possible to disable and customize even a small feature from the stock rom

thank you

 

[El Presidente]

A logcat viewer would probably do it, but I think root is needed for that.

Which phone do you have and I can move your query to the relevant device forum where hopefully users of the device will be able to assist.