Creating an Operating System: Difference between revisions
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It is very useful for a multithreaded kernel to have built-in debugging facilities early on. You could have a magic key that stops the entire kernel and dumps the user to a mini-kernel with a command line interface for debugging. It could know the data structures used by the scheduler to list all the threads and perform call traces.
=== Filesystem Support ===
It'll be useful to have support for filesystems early on and transferring files onto your operating system using a initialization ramdisk.
== Phase II: User-Space ==
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Real operating systems don't operate in the basic text mode, but have bitmapped graphics. Writing real graphics drivers is a bunch of work, although some virtual machines offer some useful shortcuts.
=== User Interface ===
You will certainly need to impress the operating systems development community with your flashy graphics and usable user-interface.
=== Networking ===
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