Ubuntu - How to share a directory with an another user

sudo addgroup newgroup
sudo adduser user1 newgroup

sudo mkdir /home/Shared
sudo chown :newgroup /home/Shared
sudo chmod 2770 /home/Shared

• 0770: All group users can add to and delete from the folder and can read and but not write to each others files
• 1770: 0770 + only the owner of the file can delete it
• 2770: All group users can add to and delete from the folder and can read and write to each other's files
• 3770: 2770 + only the owner of the file can delete it