You can also use this open source software on Linux and macOS.īut wait! Why would you use a separate SSH client on Linux when you already have plenty of ‘real’ Linux terminals with you? There are several reasons why you would want to use Putty on Linux. Putty is used for connecting to the remote Linux system from the Windows machine. In IT companies, the development environment is usually on a remote Linux system while the developers use Windows as their local system. If I am not wrong, Putty is perhaps the most popular SSH client for Windows operating systems.