Hardwood Floor Care

Hi folks, I just moved into a rental house that has hardwood floors in most of the rooms. The floors are in decent shape, with some areas showing a bit of ware and some showing dark patterns that I bet are from area rugs that were left in the same place for long periods of time (sort of a rubber mesh print left behind.) Since this is a rental, I can not do a whole lot to "fix' the floors, but I would like to keep them looking nice and not cause too much wear while I am here. (I have two dogs) Any suggestions on regular maintainence would be greatly appreciated. The owner had lemon oiled the floors the day I moved in, so they looked all shiny. I don't want them to look good for a day...but more like a month at a time. Can they be waxed? buffed? Help! Thanks, Ilene....new to sunny Fresno CA