Just Installed ROS Noetic, Having trouble configuring Workspace environment and general questions

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Hi All,

There are commands listed here: http://wiki.ros.org/ROS/Tutorials/Ins... for configuring the ROS. I entered the commands but I keep getting these errors:

C:\Users\Aleem>$ mkdir -p ~/catkin_ws/src '$' is not recognized as an internal or external command, operable program or batch file.

C:\Users\Aleem>$ cd ~/catkin_ws/ '$' is not recognized as an internal or external command, operable program or batch file.

C:\Users\Aleem>$ catkin_make '$' is not recognized as an internal or external command, operable program or batch file.

I'd like to know what I'm doing wrong.

Also I would like some general help for Noetic as there doesn't seem to be any help for this version

Thanks in Advance.