Unetbootin comes with a simple to use GUI (Graphical User Interface) which is uncluttered and clean. It allows you either download the .iso images of various Linux Distros from the net and mount it onto your Pen drive or you can choose a .iso image on your local Hard disk to mount it on to the Pen drive .
Installation in Fedora :
Installation of UNetbootin in fedora can be achieved through Yum package Manager.Switch to Super user mode using su and type in the following command at the terminal.
#yum install unetbootin
Unetbootin can also be used for loading various other system Utilities such as Parted magic , Smart boot manager ,FreeDos etc
It basically extracts the .iso image and loads the files on to your Pen drive which can then be used for Booting an Operating System directly from your Pen drive .
After selecting the distro image and loading it onto the pen drive Reboot your system and make your system boot from your Pen drive and here you are with the Operating System .
Now you can carry your Favourite distro wherever you travel on to your Pen drive.
Unetbootin is written in C++,using Qt4 tool-kit.
Wherever you go, your Operating System Follows..........
For more details ,Clarifications ,Comments ,Suggestions do feel free to leave a comment or mail me at firstname.lastname@example.org