I have this output

 user123@Matrix-Server:~$ /etc/init.d/samba stop
    bash: /etc/init.d/samba: No such file or directory
    sputnik@Matrix-Server:~$ sudo /etc/init.d/samba restart
    sudo: /etc/init.d/samba: command not found
    user123@Matrix-Server:~$ 

 user123@Matrix-Server:~$ sudo apt-get install samba smbfs
    Reading package lists... Done
    Building dependency tree       
    Reading state information... Done
    samba is already the newest version.
    smbfs is already the newest version.
    The following packages were automatically installed and are no longer required:
      linux-headers-2.6.32-19-generic linux-headers-2.6.32-19
    Use 'apt-get autoremove' to remove them.
    0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.