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What is PuTTY?

Last modified: July 2, 2022
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PuTTY is a free and open-source terminal emulator, serial console, and network file transfer tool. Additionally, Simon Tatham created PuTTY, an SSH and telnet client, initially for the Windows operating system. It was first created as Microsoft Windows, but it has since been ported to numerous other operating systems. Session tabs are not directly supported by PuTTY, although there are a number of wrappers that are.

SCP, SSH, Telnet, rlogin, and raw rocket link are just a few of the network protocols that are supported. Even a serial port can be connected to by it. Official ports are available for some specific Unix-like platforms, including Classic Mac OS and macOS. Additionally, unauthorised ports have been added for operating systems like Symbian, Windows Phone, and Mobile.

Features of PuTTY

  • Can control the type of encryption protocol using an SSH connection.
  • Comes with SSH Forwarding functions, including X11 Forwarding(X11 also called X Window System, is a bitmap display window system.)
  • Support public key authentication.


  • It is FREE of charge.
  • It can run very well under Windows 9x/NT/2000.
  • Support SSH1 and SSH2.
  • Easy to use.

Download PuTTY

You can download PuTTY here.

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