Apps that run as daemon should be able to force themselves into the background. 
  Snort uses a command-line flag (-D).  Other apps can be forced by using the & 
at the end.

e.g.
mozilla &

> Do you mean starting an application (e.g. snort) so it runs in the
> background rather than in a terminal window?
> 
> If so append & to the end of the command.

>>I'm looking for a resource on having a application run as a daemon. If 
>>someone could point me in the right direction I would apperciate it, ie a 
>>book or website.
>>Thanks