Smb.conf Notebook Acer

[global]
    workgroup = WORKGROUP
    netbios name = Notebook-Acer
    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