To Create new folder in root directory in mac
Open the terminal window by press command + space and type terminal
Above screen will appear on your mac system,
Now type cd on terminal and press enter
apple@appurunoMacBook-Pro ~ % cd
After it create folder by command mkdir
Ex. apple@appurunoMacBook-Pro ~ % mkdir Personel
You can create many folders as per your need
Now type command open with dot, It will open folder in finder
Now you can drag and drop folder to left side panel
You can add all folders to your side panel
Also you can rename created folder name to different one via right click
Hope you provide the Solution,
Thanks for reading the Article