Windows shortcut

1. Ctrl+Shift+ESC Task Manager

2. windows+E MyPC

3. windows+R run

# Dos command

1. switch disk

   D:
   

2. watch directory

   ls
   dir
   

3. go to directory outside the dist:

   cd /d D:/AliWangWang
   

4. clear screen

   cls
   

5. other

   exit
   ipconfig
   

6. folder/file

   md  dirname
   rd  dirname
   cd> filename
   del filename