DOS How to open the command window ？

The start menu —–> function ——-> Input cmd——-> enter 【 The default Open Black command window 】

common DOS command ？

1. exit Exit the current command window
2. cls Clear the screen
3. DOS How to copy the contents of the window ：
   stay DOS Anywhere in the window , Right click , Then select the tag ,
   Next, select what you want to copy , stay DOS Right click anywhere in the window , The copied content is already on the cutting board . Paste where you need it .
4. dir List all the sub files in the current directory / subdirectories
5. cd Express ：change directory【 Change the directory 】
   cd Use of commands ：cd Path to directory
   Path is divided into absolute path and relative path ：
   Absolute path ： Indicates the path from the drive letter of a disk as the starting point
   Relative paths ： Indicates the path from the current path as the starting point
6. cd … Go back to the parent directory
7. cd \ Go straight back to the root
8. Toggle character
   c： enter
   d： enter
   e： enter
   f： enter

The first lesson is over , Learn not to forget to pay attention to ！