How to Make OS?

#OperatingSystems

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Define the goal and scope

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Choose the target hardware architecture

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Set up a cross-compilation toolchain

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Write or obtain a bootloader

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Create the kernel entry point

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Implement low-level CPU initialization

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Set up memory management

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Implement interrupt handling

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Add device driver support

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Build process and thread management

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Add system call interface

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Implement file system support

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Add user-space process support

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Create basic shell or command interface

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Build standard libraries

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Set up build scripts and linker configuration

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Test in an emulator or virtual machine

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Debug boot, kernel, and driver issues

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Optimize stability and performance

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Package and deploy the OS image

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