Telnet commands enable a user to be able to telnet into another program from the command prompt. The availability of the telnet commands list has been listed only as Windows Xp and Windows 2000 because; they are the only versions of Microsoft Windows that are compatible with telnet commands list.

If the telnet will be invoked without any argument with the host it automatically enters command mode and is indicated by its prompt telnet. When it is in this mode it will accept and execute the commands. If the telnet will be invoked with the arguments it will perform an open command. The telnet commands list is an external command which is available in Microsoft operating system.

Here a list of some of the commands:

• Host: it specifies the name of the host and IP address of the remote computer and where to connect.
• Port: it specifies the service name as well as the port number.
• Close: Indicates that you are suppose to close any current connection
• Display: it displays the operating parameters.
• Open: ready to connect to a site
• Quit: to close or exist telnet
• Set: to put on options or simply to type set

Besides this there are also UNIX commands which are usually so helpful when modifying a website especially on the server. The UNIX commands usually have a lot options as well as parameters. It is possible with ISPs to use telnet program to be able to conduct maintenance especially on your mailbox and on the POP3 mail server. This usually allows one to be able to view and delete any problem causing the message. Here are the instructions that you should follow when you fail to get a successful connection message.

Check the following:

• The correct port number it should be included and it's usually 110. If you put on a default telnet number it will never work.
• Syntax usually vary especially on how you usually start the telnet program.
• On the start run you are suppose to separate the name of the server and ensure that the port number has a space.
• In the browser you should separate the name of the server and the port number using a colon.
• If you are starting from the browser it must be configured so that you can be able to know about your telnet program. Win 95 version of MSIE usually does this automatically once you install. When using Netscape and win 3.1 versions you need to do this manually.
• MSIE 3 cannot be able to start telnet program right from its address line especially when you are using “//”. You need to remove them.
• Windows vista and windows 7 usually disable telnet and this is by default. To enable it see other telnet programs.