a program similar to netsend?

[cj]

Gavin Costello wrote:
> On 16-08-2007 14.12, cj wrote:
>   
>> Is there a program for ubuntu similar to netsend in windows? i want to 
>> send messages over the network to my other computers
>>     
> ---end quoted text---
>
> If you want to send messages to windows machines, you can use:
> smbclient -M
>
> HTH,
>
> Gavin.
>   
man i do not know how to run that program, could you please guide me 
step by step how to run it. i do have it installed on my linux system

--cj