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144
votes
11answers
14k views

How do operating systems… run… without having an OS to run in?

I'm really curious right now. I'm a Python programmer, and this question just boggled me: You write an OS. How do you run it? It has to be run somehow, and that way is within another OS? How can an ...
13
votes
5answers
3k views

Advice for an ambitious student on building your own kernel [closed]

I'm a very ambitious university student who wishes to learn pretty much everything there is to know about computers (bash me if you want, I love learning). Recently I thought it would be a fun project ...
0
votes
4answers
137 views

Relation between Kernel & BIOS routines [duplicate]

How does a Kernel provides different functionality to OS? Does it use the BIOS routines or use special device drivers for this, or something else? If uses BIOS how does it come to know which routine ...