This is my university notes Mu class, specific video click here
Item 1 Linux operating system and its installation
1.1 Linux Operating System Introduction
1.Linux: operating system, followed the good characteristics of Unix, the kernel system call interface of these two layers
2 operating system Classification ( Application Category )
- Desktop operating systems: Unix and Unix-like operating system, Windows operating system
- Server operating systems: Unix series, Linux series, Windows series
- Embedded operating system ( such as a mobile operating system ): Android, iOS
Status 3.Linux
- The cornerstone of cloud computing and big data
- Rule supercomputer operating system
The main features of 4.Linux
- System stability
- free
- Safety
- Multi-tasking, multi-user
- Does not consume resources
- Suitable for embedded systems
5.Linux kernel
- Features
- Process Scheduling
- Storage Management
- Virtual File System
- Network Interface
- Interprocess communication
- The version number format
- <Major version number>: <minor version number>: <revision number>
- Example: a.bb.cc
- When the minor version is even, stable version; an odd number, the version of the test
6.Linux release
- Redhat
- Slackware
- Debian
Reminder: Those mechanisms to learn the essence of Linux is still learning its core
1.2 Linux operating system installation
1.CentOS ( Community Enterprise Operating System ): can be approximated understood as a free version of Redhat
preparation before 2. Install:
- Get CentOS: official website to download an ISO file or other image download sites
- Collect information about your computer hardware
- Planning for the installation of a Linux system partition scheme
- Swap partition: swap partition, as a virtual memory, equal to 1-fold or 2-fold physical memory
- / Boot partition: boot partition, the operating system for booting, 100MB or more
- / Partition: root partition, Linux most of the system files and user files are saved in the root partition, so the partition must be large enough
- Configured to install Linux network system planning
Unfinished, continued ~