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2 changes: 1 addition & 1 deletion os/notes/01-os-primer.md
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## What is an Operating System?

For users, an operating system allows them to interact with the hardware of a computer. However, for developers an operating system is:
* `Low-level APIs` - Developers can the low-level APIs to interact with the various components of a computer. For instance, a developer can use the `read` and `write` system calls to read and write to a file. You can use the `os` module in Python to interact with the operating system.
* `Low-level APIs` - Developers can use the low-level APIs to interact with the various components of a computer. For instance, a developer can use the `read` and `write` system calls to read and write to a file. You can use the `os` module in Python to interact with the operating system.
* `Resource Management` - An operating system manages the resources of a computer. For instance, it manages the memory of a computer. Multiple processes can run on a computer at the same time. However, each process has its own memory space. The operating system manages the memory of a computer and allocates memory to each process. It also manages the CPU of a computer. It schedules the processes to run on the CPU.

## Uniprogramming vs Multiprogramming
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