1 dir No arguments: View files and folders in the current directory. /s: View files and folders in the current directory and all its subdirectories. /a: View all files including hidden files. /ah: Only show hidden files. /w: Displays files and folders in a compact way (5 files on one line). /p: Display in pagination mode (it will automatically pause after displaying a page). |more: The previous symbol is the one above "\", which is called the redirection symbol, which is to put a The result of a command is output as an argument to another command. more is also a command, dir /w |more The result obtained is the same as that of dir /w /p. For other parameters, you can use: dir/? to view. 2 cd cd directory name: enter a specific directory. If you see a directory displayed as: abcdef ghi Enter: cdabcdef.ghi to enter this directory. cd\ to go back to the root directory. cd.. back to the previous directory. 3 md rd md directory name: create a specific folder. (Dos is used to call it a directory, and win is used to call it a file. folder. Ha ha! ) rd directory name: delete a specific folder. 4 cls Clear the screen. 5 copy copy path\filenamepath\filename: Copy a file to another place. 6 move move path\filenamepath\filename: move a file (that is, cut + copy) to another a place. 7 of the del filename: delete a file. del *.*: Delete all files in the current folder. del cannot delete folders. 8 ipconfig Very useful network configuration, troubleshooting. . . Order. Displays the network interface status of the current machine without adding parameters. /all is detailed information first. /release release the current ip. /renew Re-apply for ip. /flushdns Flush the dns cache. /registerdns Re-register yourself on the dns server.