It is time for you to practise what you have learned until now. In upcoming sections, you will see examples for you to practise along with the creation of packages, using nodes, using Parameter Server, and moving a simulated robot with Turtlesim.
As explained before, ROS provides a number of command-line tools for navigating through the filesystem. In this subsection, we will explain the most used ones, with examples.
To get information about the packages and stacks in our environment, such as their paths, dependencies, and so on, we can use
rosstack. On the other hand, to move through packages and stacks, as well as listing their contents, we will use