Question

In: Computer Science

What is Windows boot process? What is boot setup? What does the BIOS do during boot...

What is Windows boot process?

What is boot setup?

What does the BIOS do during boot up?

What is the process tree?

difference between systemd and init

Solutions

Expert Solution

Windows boot process is a process of starting a computer system. It can be started either by a hardware ( button ) or by any software system. Since, in the hard drive the windows are stored, so on booting the operating system along with important components gets loaded to the main memory.

Boot setup provides a menu at the first starting of computer from where we can select the device from which booting has to be done like CD, flash drive, hard drive, etc.

While booting process is going on, all the components of system hardware are tested and initialized by the BIOS. In order that the operating system to get initialized, from the device of mass memory, a boot loader is loaded.

Process tree is a schematic representation of the entire processes that a product passes through while its entire life. It contains the processes that happened on the product during its entire lifetime. This helps in understanding the product and helps in developing a better new product.

Init is a short form of initialization. It starts with the start of the computer system, it keeps on running until the system gets shut down. The activation based on device is not possible in init system. It doesn't support interactive booting.

Systemd is used to easily recognize the daemon by putting a 'd' at end of every daemon. The shortcomings faced in the init system got solved by the systemd system.The activation based on device is possible in systemd system. It supports interactive booting.


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