Smb.conf meu Notebook - Pasta Público Acesso Liberado

[global]
    workgroup = WORKGROUP
    netbios name = regis-samba
    server string = RegisNotebookAcer
    usershare allow guests = yes
    security = share
    #---------------------------
    ## For Samba4:
    #security = user
    #map to guest = Bad Password
    #guest account = root
    #---------------------------
    follow symlinks = yes
    wide links = no
    unix extensions = no
    lock directory = /var/cache/samba
    socket options = TCP_NODELAY IPTOS_LOWDELAY SO_RCVBUF=65536 SO_SNDBUF=65536 SO_KEEPALIVE

[Público]
  path = /media/Backup
  available = yes
  browsable = yes
  public = yes
  writable = yes
  create mask = 0777
  directory mask = 0777