ROS is more than a development framework. We can refer to ROS as a meta-operating system, since it offers not only tools and libraries but even OS-like functions, such as hardware abstraction, package management, and a developer toolchain. Like a real operating system, ROS files are organized on the hard disk in a particular manner, as depicted in the following figure:
Figure 1: ROS filesystem level
Here are the explanations for each block in the filesystem:
- Packages: The ROS packages are the most basic unit of the ROS software. They contain one or more ROS programs (nodes), libraries, configuration ...
