There is going to be no definitive answer for this.... because there is no standard repository of standard or acceptable flavors. You might want to check out DistroWatch.com for a list of a bunch of them.... but there's always going to be some random person out there working on some random permutation of Linux that's just a little bit different than everything else.
Linux.
Rather than listing them all here (which is subject to change), it would be better if you went to the web sites for the various flavors of Unix/Linux to check on what processors are supported.
Linux is only a Kernel (Operating System). Different Flavours of linux have different user programs on top of the same linux kernel. A high level example : Ubuntu has the user program(package) GNOME while Kubuntu has KDE, whereas both ubuntu & Kubuntu use the same Linux Kernel.
it is unknown how many flavors there are new flavors of cheese are being made all the time
I think it was the Linux kernel. There are many used with Linux now.
there are 14 flavors.
maybe over a trillion flavors
The courses available for Linux include Linux server, Linux desktop, bash shell, and many others.
There are many websites where one can learn about fdisk and many other Linux commands including Linux Help, Tuxfiles, Computer Hope, Linux Questions and Linux Solved.
From any of the websites for the many Linux distros out there.
See the link below for the answer.
there are 4 or5 flavors of goldfish