ags@grip:/ros_ws$ ls repos {repos,src,underlay,build,log} ros_build src ags@grip:/ros_ws$ cd \{repos\,src\,underlay\,build\,log\}/
ags@grip:/ros_ws$ ls
repos {repos,src,underlay,build,log} ros_build src
ags@grip:/ros_ws$ cd {repos,src,underlay,build,log}/