how to change directory folder in cmd code example

Example 1: how to change directory in cmd

In windows shell is commanly known as the command prompt or the 
cmd...
to change the directory you can just type cd and type your desired directory 
which is present inside the current directory...

Example 2: change directory cmd

cd  
comment to change directory in the cmd

Example 3: change folder name using cmd

Rename  dir_oldname  dir_newname