HowTo: Let YUM keep downloaded files in Fedora

This method works with all versions of fedora up to 18

Step 1: type the following on the terminal
su -
gedit /etc/yum.conf

Step 2: gedit will open the yum.conf file
  - look for
       keepcache=0
  - replace it with
       keepcache=1
  - save and exit

all future yum downloads will be found at /var/cache/yum