Finally, I know the basic linux commands.

Finally, I know the basic commands of linux-general Linux technology-Linux technology and application information. The following is a detailed description. Ls is the meaning of viewing
Pwd indicates the current position.
Du is the amount of extra disk space.
Clear is used to clear terminal commands when there are many input and output on the screen.
Cal is to display the calendar or calendar
The command for displaying system information is uname.
Who to check which users are logged on
Other hard work
Cd means to enter the Directory
Now I know how to switch users.
Is the su User Name
Then enter the password.
Reading linux shell books. linux commands are very interesting.