The ROS Wiki is for ROS 1. Are you using ROS 2 (Dashing/Foxy/Rolling)? Check out the ROS 2 Documentation
For beginner tutorials on roslib, please consult the relevant roscpp and rospy tutorials. Beginner users should not need to interact with roslib beyond what those tutorials introduce.
Wiki: roslib/Tutorials (last edited 2009-12-29 01:46:24 by KenConley)