维基：PuTTY is a free and open source terminal emulator application
which can act as a client for the SSH, Telnet, rlogin, and raw TCP
computing protocols and as a serial console client. The name "PuTTY" has
no definitive meaning, though 'tty' is the name for a terminal in the
Unix tradition, usually held to be short for teletype.
The storing of hosts and preferences for later use.
Control over the SSH encryption key and protocol version.
Command-line SCP and SFTP clients, called "pscp" and "psftp" respectively.
Control over port forwarding with SSH (local, remote or dynamic port forwarding), including built-in handling of X11 forwarding.
Emulates most xterm, VT102 control sequences, as well as much of ECMA-48 terminal emulation.
Supports 3DES, AES, Arcfour, Blowfish, DES.
Public-key authentication support.
Support for local serial port connections.
Self-contained executable requires no installation.
3）中文支持：window->Translation->Remote character set