If you want to learn to use the background FTP download, you must learn FTP instructions.
The command line format of FTP is: ftp -v -d -i -n -g [host name],
Where -V displays all response information of the remote server;
-n Limits automatic login of FTP, ie not used ;.n ETRC file;
-d use debugging mode;
-g cancels the global file name.
The internal command used by FTP is as follows (bracket indicating option):
1.! [Cmd [args ": Performs interaction shell in the local machine, exit returns to the FTP environment, such as! Ls * .zip
2. $ macro-ame [args]: Perform a macro definition macro-name.
3. Acount [Password]: Provides the supplemental password required to access the system resource after logging in to the remote system.
4.Append local-file [remote-file]: Add local files to the remote system host. If the remote system file name is not specified, the local file name is used.
5.ASCII: Use the ASCII type to transfer mode.
6.bell: After each command is executed, the computer bells once.
7.bin: Use binary files to transfer mode.
8.BYE: Exit the FTP session process.
9.case: When using the MGET, turn the uppercase of the remote host file name to lowercase letters.
10.CD Remote-Dir: Enter the remote host directory.
11.cdup: Enter the parent directory of the remote host directory.
12.chmod mode file-name: Set the remote-name of the remote host file File-Name to Mode, such as: Chmod 777 a.out.
13.Close: Interrupt FTP session with the remote server (corresponding to Open).
14. CR: When using the ASSCII mode to transfer the file, convert the return line to the back.
15.Delete Remote-file: Delete Remote Host Files.
16.debug [debug-value]: Set the debug mode, display each command sent to the remote host, such as: DEB UP 3, if set to 0, indicate canceling the debug.
17.Dir [remote-dir] [local-file]: Display the remote host directory and store the results into the local file
18.Disconnection: with Close.
19.Form Format: Sets the file transfer mode to Format, defaults to File mode.
20.Get Remote-file [local-file]: Transfer the remote host file Remote-File to local-file of the local hard drive.
21.Glob: Sets the file name extension of MDelete, MGET, MPUT, and does not extend the file name, the -g parameter with the command line is not extended.
22.hash: Each transfer is 1024 bytes, showing a Hash symbol (#).
23.Help [cmd]: Displays help information for the FTP internal command CMD, such as Help Get.
24.idle [seconds]: Set the sleep timer of the remote server to [Seconds] seconds.
25. IMAGE: Sets the binary transfer mode (with binary).
26.lcd [dir]: Switch the local working directory to DIR.
27.ls [remote-dir] [local-file] Displays the remote directory Remote-Dir and stores local file local-file.
28.MACDEF MACRO-NAME: Defines a macro, when you encounter a blanket under MacDef, the macro definition ends. 29.mdelete [remote-file]: Delete remote host files.
30. Mdir Remote-files local-file: Similar to DIR, but can specify multiple remote files such as: mdir * .o. *. Zipoutfile.
31.MGET Remote-files: Transports multiple remote files.
32.mkdir Dir-name: Built a directory in the remote host.
33.mls Remote-file local-file: With nlist, but can specify multiple file names.
34.Mode [MODENAME]: Set file transfer mode to Modename, default is a Stream mode.
35.Modtime file-name: Displays the last modification time of the remote host file.
36. MPUT local-file: Transfer multiple files to the remote host.
37.NEWER FILE-NAME: This file is retransmitted if the modification time of the file-name in the remote machine is closer to the same name file with the local hard disk.
38.nlist [remote-dir] [local-file]: Displays the file list of the remote host directory and stores local-file of the local hard drive.
39.NMAP [Inpattern Outpattern]: Sets the file name mapping mechanism to transfer some characters in the file to each other, such as: NMAP $ 1. $ 3 [$ 1, $ 2]. [$ 2, $ 3], transfer When files A1.A2.A3, the file name is changed to A1, A2. This command is especially suitable for the case where the remote host is non-Unix machine.
40.ntrans [Inchars [Outchars>: Sets the translation mechanism for file name characters, such as NTRANS1R, the file name LLL will become RRR.
41. Open Host [Port]: Establish a specified FTP server connection to specify the connection port.
42. Passive: Enter the passive transmission method.
43.Prompt: Sets the interaction tips when multiple file transfer.
44.Proxy FTP-CMD: In the secondary control connection, an FTP command is executed, which allows two FTP servers to transmit files between two servers. The first FTP command must be Open to build a connection between the two servers first.
45.Put local-file [remote-file]: Transfer local file local-file to the remote host.
46.PWD: Displays the current working directory of the remote host.
47.quit: With BYE, exit the FTP session.
48. quote Arg1, Arg2 ...: Send the parameters to the remote FTP server, such as quote system.
49.Recv Remote-file [local-file]: with Get.
50.Reget Remote-file [local-file]: Similar to GET, but if local-file exists, it is submitted from the last transfer.
51.rhelp [cmd-name]: Requests to get the help of the remote host.
52.RSTATUS [File-Name]: If the file name is not specified, the status of the remote host is displayed, otherwise the file status is displayed.
53.Rename [from] [to] Change the remote host file name.
54.Reset: Clear the answer queue. 55.Restart Marker: From the specified flag Marker, restart GET or PUT, such as: Restart 130.
56.Rmdir Dir-name: Delete the remote host directory.
57.Runique: Setting the file name only sex store, if the file exists, add the suffix after the original file. 1, .2, etc.
58.send local-file [remote-file]: with the PUT.
59.sendport: Sets the use of port commands.
60.Site Arg1, Arg2 ...: Send parameters as the site command to the remote FTP host.
61.Size File-name: Display the remote host file size, such as: Site Idle 7200.
62.Status: Displays the current FTP status.
63.Struct [struct-name]: Set the file transfer structure to struct-name, use the Stream structure when default.
64. Sunique: Set the remote host file name storage to only one (corresponding to Runique).
65.System: Displays the operating system type of the remote host.
66.Tenex: Set the file transfer type to the desired type of Tenex machine.
67.Tick: Set the byte counter when transferring.
68.Trace: Setup package tracking.
69.Type [type-name]: Setting the file transfer type to type-name, default is ASCII, such as: Type Binary, set binary transfer mode.
70.umask [newmask]: Set the default umask of the remote server to newmask, such as: umask 3
71.User User-name [password] [account]: indicates that your identity is indicated by the remote host, and you must enter a password, such as: user anonymous my @ email.
72.verbose: The -v parameter of the command line, that is, set a detailed report, and all the responses of the FTP server will be displayed to the user, default is ON.
73.?[cmd]: Tong Help.
