Really ?Too bad YUMI does not work for linux.
Using YUMI on LinuxQuestion: Can I use YUMI on Linux?
Answer: Yes, you can use the YUMI4Linux "YUMI.sh" script to make a Multiboot bootable USB from within Linux. After preparation, you'll be able to drag and drop ISO files into the YUMI folder on the prepared drive. ISO files stored there will be detected and then added to the menu for USB booting.
Here's how to get started using YUMI in Linux:
The following steps assume that gzip and WINE packages are already installed on your system. If they, aren't you'll want to install them both before proceeding.