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文章出自个人博客https://applelin8.github.io/2020/11/26/os-process，转载请申明

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content

• os process
  • what is process
• Virtual memory
• chosing an operation system
• Virtual machine(VM)

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os process

install Windows

install Linux

What’s process? <span id=”1.1>”

Process A program that’s executing,like our internet browser or text editor.

Program An application that we can run,like Chrome

Kernel Creates processes,efficiently schedules them,and manages how processes are terminated.

Time slice A very short interval of time that gets allocated to a process for CPU execution

Shell A program that interprets text commands and sends them to the OS to execute

Logs

Files that record system events on our computer,just like a system’s diary

The Boot Process

BIOS/UEFI A low-level software that initializes our computer’s hardware to makesure everything is good to go

Bootloader A small program that loads the operating system

As an IT Support Specialist, you’ ll install an operating system many times, so using one single disk won’t be time efficient or scalable.

Virtual memory

The combination of hard drive space and RAM that acts like memory that our processes can use

choosing an operation system

Virtual machine(VM)

Just a copy of a real machine virtual box

• Memory
• CPU
• Storage