Extreme Networks

Can someone explain me the difference between the OS used for the VSP and ERS series switches. Are both the devices using same ? Name of the OS used bu the VSP and ERS switches ? EOS/EOL for the operating system used by the above devices ? Any vendor...

Can some one share the sample command output of  show running-config verbose for Avaya ERS and Avaya VSP switches.   I am a freelancer researcher so would like to know more about the device configuration