PuTTY is a versatile open-source terminal emulator, supporting various network protocols like SSH, Telnet, and Rlogin. Widely used in IT environments, it provides secure remote access to servers and networking devices. Its simple interface and lightweight nature make it popular for both beginners and advanced users. PuTTY offers features like session logging, customizable configurations, and SSH key management, enhancing productivity and security. With compatibility across different versions Windows, it facilitates seamless connectivity to diverse systems. Its free availability and active community support contribute to its widespread adoption, making PuTTY an indispensable tool for remote system administration and network troubleshooting.