Differrence between roscore and rosmaster

is roscore and rosmaster the same thing ??
and if not can someone explain the difference clearly

Hi @80601 ,

Welcome to this Community!

You can find a detailed and well-explained difference here:
ROS Core: roscore - ROS Wiki
ROS Master: Master - ROS Wiki

In simple words, roscore starts rosmaster also.
roscore is the complete ros framework system.
rosmaster only provides registration for topics, services and actions as nodes.


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