DOS Basic Operation command, how to switch disk, how to view files and folders, how to clear the screen, access to the folder command, Javac What is the meaning of the role of what? Dos How to build folders? Exit folder?

How to switch disks: using the drive letter +: Example D:

How to view files and folders dir/w

How to clear: CLS (Clear screen)

Access to the folder's command CD, example CD JDK

What does Javac mean, C is compile (compile), which is to compile Java files with this program

Dos How to build folders? MD (Make directory)

Exit folder: Two methods, one is CD. The other is cd\.

* symbol, which is a wildcard character, can represent any number of characters

DOS Open Notepad command notepad

To view the command for an IP address ipconfig

See if your computer is connected to a command ping

DOS Basic Operation command, how to switch disk, how to view files and folders, how to clear the screen, access to the folder command, Javac What is the meaning of the role of what? Dos How to build folders? Exit folder?