There's not one place for installation of softwares in linux. There are many places like /bin, /sbin, /usr, /opt ,sometimes even /home. So don't worry about that part. It will be taken care on its own.
Have a look at Linux Filesystem Hierarchy. It will throw a light on issues which you're concerned like partitioning, where the softwares are installed and more. Read it before installing FC, it will help you a lot.
Another documentation worth reading is Introduction to Linux.
Read them before installing linux they will help you a lot in understanding linux.
And if you want to go further there are a lot more documentations available at TLDP