Hey, I'm Putty!
Putty, a popular terminal emulator, is an open-source, light-weight, and free SSH client. It was developed by Simon Tatham in the C language. Its primary function is to connect to a computer remotely while offering the facilities of transferring files, manipulating data, etc
n a multi-user operating system like Unix, the interface is generally of command-line type, just like the command prompt or MS-DOS. As such the user needs to type in the command in the command line program to get anything processed by the system. Generally, these commands can quickly be run over a network from a different computer on a different location (client) and the response is transferred over the network to the client.