apt install samba samba-common-bin
nano /etc/samba/smb.conf
## Share [Share] comment = needs username and password to access path = /physicalpathyouwant/toshare browseable = yes guest ok = no writable = yes valid users = @samba
sudo adduser 'user'
sudo smbpasswd -a 'user
sudo groupadd samba
sudo gpasswd -a 'user'; samba
sudo setfacl -R -m "g:samba:rwx" /physical/shared/file
sudo systemctl restart smbd nmbd