开启telnet方法如下：打开Control Panel，选择Program下的Turn Windows features on or off，在弹出的对话框中将telnet client打上勾就可以了。打钩的时候注意别给telnet server打上了勾，否则结果~~~~~自己想象吧。win7下的telnet命令的使用也有些特别。首先得在cmd下输入telnet进入telnet模式，在telnet模式下可以输入好几条命令，Microsoft Telnet> ?/helpCommands may be abbreviated. Supported commands are:c
- close
close current connectiond
- display
display operating parameterso
- open hostname [port]
connect to hostname (default port 23).q
- quit
exit telnetset - set
set options (type 'set ?' for a list)sen - send
send strings to serverst
- status
print status informationu
- unset
unset options (type 'unset ?' for a list)?/h - help
print help information
