Linux beginners: (1) Linux overview and linux beginners Overview

Linux beginners: (1) Linux overview and linux beginners Overview

   
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Structure of Linux Directories

In Linux, all files in the system are organized and managed in a directory. In Linux, all the files in the system are classified and hierarchical by directory, forming a tree structure hierarchy of the Linux File System. Starting from the root directory "/", all other directories are derived from the root directory.
Init 0 (shutdown)

2)> init 6 (restart)

 

2. Run the startx command on the Character Terminal interface to start the graphical environment.

 

3. Change the "id: 5: initdefault" item in the/etc/inittab file and change the number 5 to another level number, indicating the default startup level used by Linux.

1) The default level number is changed to 0 or 6, and the system may need to be reinstalled.

 

Display the current running level:

   
>>  runlevel
    
3  5
 

   
(Indicates that the current level 5 is switched from Level 3)
 

 

 

Enable and disable Linux

1. Shutdown

   
shutdown
 

   
halt
 

   
init 0
 

 

2. Restart

   
reboot
    
init 6