Operating Systems

What is an operating system?

At the simplest level, an operating system does two things:

  1. It manages the hardware and software resources of the computer system. These resources include such things as the processor, memory, disk space, etc.
  2. It provides a stable, consistent way for applications to deal with the hardware without having to know all the details of the hardware.

schematic of how UNIX works like a bullseye with the Kernel at the center, surrounded by the Shell, which is surrounded by the Applications Operating systems can be either clients or servers

So, let's look at UNIX

[top] [UNIX using SSH]

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computer internal parts