PuTTy:
PuTTy is a free implementation of SSH and Telnet with a terminal emulator for Windows and Unix platforms. It allows to log in securely to a Unix system and will get a command Prompt for executing Shell commands. It helps for authentication purpose. It uses Secure Socket(SSH) with public key encryption for sending typed commands and receiving text responses over TCP/IP. It also supports local serial port connections and IPv6.
Command to find cPanel Version using PuTTY:
PuTTy can be easily implemented to the system as it is an open source software. By using PuTTy, it is very simple to find the cPanel version from Command Line. To find cPanel version, login to the server as a root user and run the below command in it.
# /usr/local/cpanel/cpanel -V or # cat /usr/local/cpanel/version