0 Booting

Booting

Booting is the process that start the computer system, it is of two types:

• Hard Booting or Cold Booting =  It is done by pressing reset or power button does it . In this booting all devices checked(post) power on self test.
• Soft Booting or cold Booting = It is done by pressing ctrl+alt+del key simultaneously, it does not post do it. to perform the booting there is multiple steps are performed , these steps are known as a boot strap program.

These steps are as:

1. The instruction  of ROM BIOS (Read only memory. Basic input output system) are fired.
2. A post is performed in the test the computer checks all its internal and external resources.
3. Boot strap leader loads the two files of Dos that is TO sys. Ms dos.sys these files checks all peripherals and loads operating system/
4. In this step a file loads known as conigsys. It is a n ASCII file that contain the command to configure the system.
5. In this step a file loads known as command.com, it interprets the dos command.
6. Then Autoexec , both is executed.[if present].
7. Command prompt is displayed that indicates that a computer is read to accept and execute the command.