PuTTY
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![]() A screenshot of PuTTY running under Ubuntu MATE | |
Developer(s) | Simon Tatham |
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Initial release | January 8, 1999 (1999-01-08)[1] |
Stable release | 0.70 / July 8, 2017 (2017-07-08)[2] |
Repository |
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Written in | C |
Operating system | Microsoft Windows, macOS, Linux |
Type | Terminal emulator |
License | MIT license |
Website | www.chiark.greenend.org.uk/~sgtatham/putty |
PuTTY (/ˈpʌti/)[3] 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.[4]
PuTTY was originally written for Microsoft Windows, but it has been ported to various other operating systems. Official ports are available for some Unix-like platforms, with work-in-progress ports to Classic Mac OS and macOS, and unofficial ports have been contributed to platforms such as Symbian,[5][6]Windows Mobile and Windows Phone.
PuTTY was written and is maintained primarily by Simon Tatham.
Contents
1 Features
2 History
3 Components
4 Reception
5 See also
6 References
7 External links
Features
PuTTY supports many variations on the secure remote terminal, and provides user control over the SSH encryption key and protocol version, alternate ciphers such as AES, 3DES, Arcfour, Blowfish, DES, and Public-key authentication. PuTTY supports SSO through GSSAPI, including user provided GSSAPI DLLs. It also can emulate control sequences from xterm, VT220, VT102 or ECMA-48 terminal emulation, and allows local, remote, or dynamic port forwarding with SSH (including X11 forwarding). The network communication layer supports IPv6, and the SSH protocol supports the zlib@openssh.com delayed compression scheme. It can also be used with local serial port connections.
PuTTY comes bundled with command-line SCP and SFTP clients, called "pscp" and "psftp" respectively, and plink, a command-line connection tool, used for non-interactive sessions.[7]
PuTTY does not support session tabs directly, but many wrappers are available that do.[8]
History
PuTTY's development dates back to late 1998,[1] and it has been a usable SSH-2 client since October 2000.[9][10]
Components
PuTTY consists of several components:
PuTTY: the Telnet, rlogin, and SSH client itself, which can also connect to a serial port
PSCP: an SCP client, i.e. command-line secure file copy. Can also use SFTP to perform transfers
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. Usually used for SSH Tunneling
Pageant: an SSH authentication agent for PuTTY, PSCP and Plink
PuTTYgen: an RSA, DSA, ECDSA and EdDSA key generation utility
pterm: a standalone terminal emulator
Reception
In 2009, Justin James of TechRepublic cited its reliability, cost, cross-platform support, and features as positives. He faulted complex configuration, extended beta testing, and lack of support for scripting.[11] J. Peter Bruzzese of InfoWorld included it in his list of 15 Essential Open Source Tools for Windows Admins and wrote that its imitators are not as good.[12]
See also
- Comparison of SSH clients
- Tera Term
- mintty
- WinSCP
References
^ ab Earliest documented release
^ PuTTY version 0.70 is released
^ Putty FAQ – Pronunciation
^ "PuTTY 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.
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^ PuTTY for Symbian OS
^ Forum Nokia Wiki – PuTTY for Symbian OS Archived 2012-07-16 at Archive.is
^ Barrett, Daniel; Silverman, Richard; Byrnes, Robert (2005). SSH, The Secure Shell: The Definitive Guide. O'Reilly Media. pp. 577–579. ISBN 9780596008956.
^ PuTTY Features
^ PuTTY FAQ: Does PuTTY support SSH-2?
^ PuTTY Change Log
^ James, Justin (2009-08-06). "Review: PuTTY terminal application". TechRepublic. Retrieved 2015-09-18.
^ Bruzzese, J. Peter (2014-12-08). "15 essential open source tools for Windows admins". InfoWorld. Retrieved 2015-09-18.
External links
![]() | Wikimedia Commons has media related to PuTTY. |
- Official website
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