Java Overview (1) Comprehensive Java Study Notes

Doc demo

MD opCreate an op folder

CD opEnter the op folder

This is: Enter the op folder and create another OOP folder.

Create a TXT file in the next line and write four Haha letters.

EchoYes write

Del 1.txtYes. Delete the 1.txt file.

RdYes Delete folder Note: When the folder in the doc is not empty, the folder cannot be deleted.

CD ..Back to the top-level directory, we can see that it is CD + 2 points.

CD \Direct reverse tracking directory

CD Op \ OOPGo directly to OOP

Del * \ txt* Is all .. Delete all TXT files.

ExitExit Doc