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English: PuTTY User Manual, generated from PuTTY source code (current version from 0.78 sources with halibut --pdf, ... Update from version 0.73 to 0.78; PDF ...
PuTTY user manual (copy from 2022) PuTTY (/ ˈ p ʌ t i /) [4] is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a serial port. The name "PuTTY" has no official meaning. [5]
The portable version runs on Wine [17] on several POSIX-compliant operating systems, such as Linux, macOS, and BSD. [18] Some older versions of the WinSCP installer included OpenCandy advertising module or bundled Google Chrome. Since version 5.5.5 (August 2014) the installer does not contain any advertisement. [citation needed]
Mintty is based on the terminal emulation and Windows frontend parts of PuTTY, but improves on them in a number of ways, [3] particularly regarding xterm compatibility. It is written in C . The POSIX API provided by Cygwin is used to communicate with processes running within mintty, while its user interface is implemented using the Windows API .
kitty is a free and open-source GPU-accelerated [2] [3] terminal emulator for Linux, macOS, [4] and some BSD distributions. [5] Focused on performance and features, kitty is written in a mix of C and Python programming languages.
It supports PuTTY and ssh.exe, and comes with a version of PuTTY's plink.exe. The Xming project also offers a portable version of PuTTY. When SSH forwarding is not used, the local file Xn.hosts must be updated with host name or IP address of the remote machine where the GUI application is started.
The operating systems or virtual machines the SSH clients are designed to run on without emulation include several possibilities: . Partial indicates that while it works, the client lacks important functionality compared to versions for other OSs but may still be under development.
This version offers improved security and new features, but is not compatible with SSH-1. For example, it introduces new key-exchange mechanisms like Diffie–Hellman key exchange , improved data integrity checking via message authentication codes like MD5 or SHA-1 , which can be negotiated between client and server.