What are the types of Linux?
"Types" of Linux are Called Linux Distributions.
Linux by itself is only a kernel, you need more than that for a
full system, to get this, distro's were develpoed to include all of
this to make a Linux system easier to install.
Popular Distro's Are Ubuntu, Debian, Fedora, RHEL, Linux Mint,
Arch Linux, OpenSUSE, etc, you can find more at distrowatch