char device programming
 

hi,
I am new to linux...i am trying to learn about char device programming....in that i found the command as "get_module_get(),module_put()"...can anyone explain this command...actually what it will do?

I wrote this:
http://sourceforge.net/projects/lnxdevicedriver/
when I was in high school. So it might get you started. But I haven't looked at it since then and I was like 12 at the time so...