New lirc file how and where.

Hello to every one.

Sorry for my bad english.

Here is my problem.

i have added a "remotecontrol pi " i think that is the name for it it is a powershitch and a remote sensor and conected to the gpio pins. all is atached and the powerbutten works but the rest of the remote that i like to use is not reconised. on the internet i found a lirc file of this remote.problem solved you think .here starts my problem .

i don't know where to put than new file and how it have to be named. and i am not able to add or rename any file on the pi i have only read acces to it.

Can some one help me out here.

Thanks in advance

Scorp