FTP Standard protocol collation notes (ii)

Ii. List of commands

The client sends the FTP command request through the control connection, the command word is uppercase ASCII character, the command word may need to be followed by a parameter, and the command word is separated from the parameter by a space.

1) Access command

Command word	Parameters	Response code	Description
USER	User account	230, 530, 500, 501, 421, 331, 332	FTP Login user Name
Pass	User password	230, 202, 530, 500, 501, 503, 421, 332	FTP Login Password
ACCT	Paid accounts	230, 202, 530,500, 501, 503, 421	Account information
REIN		120, 220, 421, 500, 502	Re-initialize
QUIT		221, 500	System logoff
Abor		225, 226,500, 501, 502, 421	Discard the previously submitted commands

2) file Management command

Command word	Parameters	Response code	Description
CWD	Directory Name	250, 500, 501, 502, 421, 530, 550	Change current directory to another directory
Cdup		200, 500, 501, 502, 421, 530, 550	Return to Parent Directory
DELE	Filename	250,450, 550,500, 501, 502, 421, 530	deleting files
LIST	Directory Name	125, 150,226, 250,425, 426, 451,450 500, 501, 502, 421, 530	Listing subdirectories and file information
Nlist	Directory Name	125, 150,226, 250,425, 426, 451,450 500, 501, 502, 421, 530	Listing subdirectories and files with no other attributes
MKD	Directory Name	257,500, 501, 502, 421, 530, 550	Create a new directory
Pwd		257,500, 501, 502, 421, 550	Show current directory path
RMD	Directory Name	250,500, 501, 502, 421, 530, 550	Delete Directory
Rnfr