The ROS Wiki is for ROS 1. Are you using ROS 2 (Humble, Iron, or Rolling)? Check out the ROS 2 Project DocumentationPackage specific documentation can be found on index.ros.org
Usage information on each application is provided on its package page:
pr2_mannequin_mode
pr2_tuckarm
pr2_teleop
Wiki: pr2_apps/Tutorials (last edited 2010-01-21 20:06:50 by BrianGerkey)