to install yum in fedora just do these commands:

1. change to root directory:
cd ~


2. make a directory called yum:
mkdir yum


3. go into the yum directory you just created:
cd yum


4. download yum:
wget http://linux.duke.edu/projects/yum/download/2.0/yum-2.0.7.tar.gz


5. untar the file you just downloaded it:
tar -xvzf yum-2.0.7.tar.gz


6. go to the yum directory:
cd yum-2.0.7


7. run the configuration file:
./configure


8. make the configuration:
make


9. make the install
make install


that it

any questions?