My young sister, Thaichan ! This is my linux which is called Fedora Core.
Have you seen this Linux O/S ?
Linux Operating System(O/S)is developed for some server such as Web server, Mail server. It's not for personal computer like windows.
Linux O/S size is smaller than Windows but its stability better than Windows.
Windows O/S require a many H/W(Hardware) resources such as a big memory, a high CPU but Linux can run on Intel 486 computer.
Also, Linux is offer a multi user. you can access 100 people more than at the same time for your Linux system but your Linux system will never down.
So, I like Linux O/S very much.

I've never used Fadora, how ever i did use Red Hat before they split it in two.

As well as Debian, Mandrake, and a few other flavours of linux. including one that was called Potato....

or was that was the revision was called...

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Hi ! Taichan !
It's the same kind all. It is all Red Hat.
Fedora just different type of Red hat.

few years ago Red Hat switched cut its two OS in half, Red Hat requires you to buy the software (which seems wrong to me) and Fadora Core is free.

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But its Kernel is the same. And It have no a big different both of them.
It's meaning I also know as know as you.
Anyway, Have a good night ! My young sister.