ROS (Robot Operating System) Fundamentals

The de facto standard middleware for robotics software — nodes, topics, and services that let components communicate.

Read

45 min

Practice MCQs

25

Interview QA

25

Edition

v4

Editorial status

Reviewed

Relevant for

Robotics Engineer

Scope: ROS 2 Rolling node, topic, service, action, QoS, executor, callback-group, lifecycle, tf2, parameter, security, rosbag2, and composition documentation reviewed 2026-09-04.