I am trying to install centos onto another one of my machines, and I am new to Ubuntu. When I downloaded centos the operating system came as two .iso images. So far I have been unable to figure out how to mount the two images onto a single 32gb flash drive to do a full install on the OS.
I also want to have Ubuntu on the same flash drive. So when I boot my computer, and boot to the flash drive I can select whether I want to install CentOS or boot Ubuntu.
I'm using Ubuntu 12.04 LTS. Here is a link to the CentOS file I'm using