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PuTTY is a free software SSH, Telnet, rlogin, and raw TCP client. It was originally available only for Windows, but is now also available on various Unix platforms, with work-in-progress ports to Classic Mac OS and Mac OS X. Other people have contributed unofficial ports to other platforms, such as Symbian powered mobile phones. It is beta software written and maintained primarily by Simon Tatham, and is open source, licensed under the MIT License.
The current version (as of September 2006) is 0.58, which contains several new features, including improved Unicode support, for international characters and right-to-left or bidirectional languages.
Prior to 0.58, three consecutive releases (0.55–0.57) were made to fix significant security holes in previous versions, some allowing client compromise even before the server is authenticated.
Some features of PuTTY are:
The storing of hosts and preferences for them for later use.
Control over the SSH encryption key and protocol version.
Command-line SCP and SFTP clients, called "pscp" and "psftp" respectively.
The name "PuTTY" has no definite meaning; according to the FAQ:
PuTTY is the name of a popular SSH and Telnet client. Any other meaning is in the eye of the beholder. It's been rumoured that ‘PuTTY’ is the antonym of ‘getty’, or that it's the stuff that makes your Windows useful, or that it's a kind of plutonium Teletype. We couldn't possibly comment on such allegations.
PuTTY
Main functions
See also
Alternate versions
Related software
| | Name | PuTTY | | Screenshot | Image:Screengrab - PuTTY 0.53b on Win2K.gif | | Caption | PuTTY 0.53b main configuration dialog on Wind... | | Developer | Simon Tatham | | Latest Release Version | 0.58 | | Latest Release Date | April 6th, 2005 | | Operating System | Microsoft Windows, Linux/other Unix | | Genre | Terminal emulator | | License | MIT license |
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Main functions
Main functions are realised by PuTTY files themselves:
PSCP - an SCP client, i.e. command-line secure file copy
PSFTP - an SFTP client, i.e. general file transfer sessions much like FTP
PuTTYtel - a Telnet-only client
Plink - a command-line interface to the PuTTY back ends
Pageant - an SSH authentication agent for PuTTY, PSCP and Plink
PuTTYgen - an RSA and DSA key generation utility.
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See also
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Alternate versions
PuTTYFile A PuTTY variant that allows writing sessions / hostkeys etc. to files (instead of Windows Registry). Some users prefer this approach for using PuTTY on USB sticks.
PuTTY Tray minimizes to the Windows system tray displaying a (configurable) high-color icon, also adds URL recognition, transparency, and reconnect after standby functionality.
PieTTY is a free SSH client based on PuTTY and is claimed by the author to be more focused on improving support for multilingual (especially CJK) environments, and having a more simple user interface.
TuTTY includes experimental support for connecting to computers/switches over a serial port.
portaPuTTY portaPuTTY is a hacked version of PuTTY that stores everything except for font information in files, not in the registry. Similar in concept to PuTTYFile.
Vintela PuTTY adds support for GSSAPI and Kerberos using a user's Windows desktop login credentials. It is available under the same license as the main PuTTY release.
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Related software
PuttyTabs Shows a separate tab bar to control PuTTY session windows.
QuickPutty A tray icon that can launch PuTTY saved sessions. This functionality is included in Pageant as of version 0.57.
WinTabber A tabmanager that can add tab support with hotkeys to PuTTY, and also other programs.
PuTTY Session Manager A program that helps organise PuTTY sessions into folders. It also provides session export and mass modification functionality.
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