Gradually into the state's second day

 

Operation of the system configuration

       hardware equipment

           |

       Kernel-------------

          |  (system call) |

       Applications library files

                          |

                       Ordinary process (rather special: shell (managers interact with the system)

 

OS development history

      In order to achieve the work of batch processing: Bell Labs, MIT -GE-                

  Bell Labs and MIT withdraw from the project, and Bell Labs in a young scientist Ken. Thomson To run space travel game: - DPD-7 (DEC company)

Based operating system DPD-7 Ken, first developed its own operating system Unix (assembly language)

|

In 1973 Ken and his colleagues developed the C language (improved from B language), to rewrite Unix in C

University of California, Berkeley -BSD

* Question: In the US market, while sales of the BSD and Unix operating systems, this time for both copyright battle it - the duration of 10 years

|

Microsoft (US antitrust laws because the company was split -at & T (Unix source code is provided free of charge)

           |            。

 

IBM       SUN              HP

AIX SUNOS HP-unix (this is the most common minicomputer minicomputer market system)

 

|

In 1989 an old university professor in Finland, do not want to spend money to buy genuine Unix operating system, so he wrote a minix operating system; 1980, the United States Richard

|

In 1991, linus- system on the basis of minix stallman launched the open source GNU Project ---

We developed the first operating system Linus' (kernel) |

                                                 GNU/Linux

Kernel version of the problem with the GNU / LINUX system.

       Kernel version:

                Kernel

       GNU / LINUX version:

                Publisher version

                   |

                   | - Red Hat

                   |

                   |--debian—Ubuntu

Common Publisher version:

            redhat - service charges

            CentOS

            fedora (no one used)

            openSUSE (Europe)

            debing (safety)

            Ubuntu

            Kirin, the red flag

 

Open source system

A. GNU

         GNU IS Not Unix GNU Project: The commercial version of the open source software program of a plan;

         GPL agreement: If you use the open-source GNU software code defined in a plan, in which case, you'll have all the corresponding open source code; loose GPL agreement

 

B.BSD

 

C.Apache

                               Itself is a website started doing community

                               Hadoop project after 2000, top-level project called apache

 

 

 

 

Introduction to Linux installation and command

  1. installation

                (Blog: experiment) error screenshots, and workarounds (write clearly using their own platform)

a \ operating system is installed directly on the hardware device (not recommended)

b \ using VMM management platform to install (a virtual machine)

(VMM management platform: VMware workstations, Virtualbox)

Choose language

Choose Keyboard

Selected time zone

Write hostname

Define the root password (superuser)

Dividing up the disk space --- 3 partition must be divided into: / boot swap /

ls --显示文件信息
pwd--显示当前路径
cd--切换目标目录
touch --修改时间戳/不存在时,则创建一个新的文件
stat-- atime 查看访问时间 ctime修改文件属性时间 mtime改变文件内容的时间
mkdir--创建文件夹
rm--删除
clear--清屏==Ctrl+l

 

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Origin www.cnblogs.com/888888ZY/p/11278501.html