Games - PuTTY

	Games - PuTTY

PuTTY is a free 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 April 2005) 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.
Control over port forwarding with SSH, including built-in handling of X11 forwarding.
Full XTerm, VT102, and ECMA-48 terminal emulation.

The name "PuTTY" has no definite meaning; according to the FAQ:

: 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.

Main functions

Main functions are realised by PuTTY files themselves:

PuTTY - the Telnet and SSH client itself
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.

Alternate versions

A PuTTY variant that promises to feature a toolbar, better GUI, and many other features missing from PuTTY such as Find, Favourites, etc.
adds support for GSSAPI and Kerberos using a user's Windows desktop login credentials. It is available from under the same license as the main PuTTY release.
is a free SSH client based on PuTTY and more focused on multilingual (especially CJK) environments, usability, and simpler user interface.
is a patched version of PuTTY with URL recognition.
adds support for Zmodem transfers.
allows PuTTY to act as a Cygwin
terminal.
adds support for PKCS#11 compatible Smartcard.
minimizes to the Windows system tray, displaying a high-color icon.

[ Visit the complete Wikipedia entry for PuTTY ]

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