Linux common commands

1, check the kernel version: uname -a a.

2. console graphical interface: init 5 or startx.

3. Graphical interface-console: init3 or log off directly.

4. How to check the ip address: ifconfig?

5. Configure ip:ifconfig eth0 ip address.

6. Restart: Restart or shut down immediately.

7. Ordinary users turn to system users: Su.

8. Log off the user description.

9. exit from the subordinate: ctrl+alt.

10, full screen: ctrl+alt+enter.

Basic idea:

The basic idea of Linux has two points: first, everything is a file; Second, every document has a clear purpose. The first is that everything in the system boils down to one file, including commands, hardware and software devices, operating systems, processes and so on. For the operating system kernel, they are all regarded as files with their own characteristics or types.

Completely free:

Linux is a free operating system, users can get it through the network or other channels for free, and can modify its source code at will. This is beyond the reach of other operating systems. Because of this, countless programmers from all over the world have participated in the modification and writing of Linux, and programmers can modify it according to their own interests and inspiration, absorbing the essence of countless programmers.

Reference to the above content: Baidu Encyclopedia-Linux