Sharing simple Linux knowledge points

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• In the Linux system, access the device as a file.
• When the Linux kernel boots, the file system to be loaded is read from the file /etc/fstab
• Each file in the Linux file system is identified by an i node
• All The disk block consists of four parts, namely: boot block, dedicated block, i-node block, data storage block
• Use the process started in the foreground: ctrl c prohibit
• Install the Linux system to the hard disk When partitioning, there must be two partition types: file system and swap partition.
• The important task of network management is monitoring and control
• The kernel is divided into four subsystems: file management system, I/O management system, memory management system and process management system.

Linux startup process?

• Host power-on self-test, load BIOS hardware information
• Read the MBR boot file (grub, lilo)
• Boot the linux kernel
• Run the first process init (the process number is always 1)
• Enter the corresponding run level
• Run the terminal and enter the user name and password

What parts does a Linux system consist of?

Linux system kernel, shell, file system, application

How to plan a Linux host, what are the steps?

• Determine what the machine is used for, such as web, db, or game server.
• After determining, you need to decide how the system needs to be installed, which systems should be installed by default, and how to partition them.
• Which parameters of the system need to be optimized, which users need to be created, etc.

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