dpkg -l postfix

[Derek Broughton]

Kaushal Shriyan wrote:

> Hi ALL
> 
>  dpkg -l postfix
> Desired=Unknown/Install/Remove/Purge/Hold
> | Status=Not/Installed/Config-files/Unpacked/Failed-config/Half-installed
> |/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err:
> |uppercase=bad)
> ||/ Name           Version        Description
>
+++-==============-==============-============================================
> ii  postfix        2.2.10-1ubuntu A high-performance mail transport agent
> 
> what does it signifies, I know that if a package is not installed
> there will be no O/p

It says it's installed.  If this isn't clear enough, just don't use dpkg.

# aptitude show postfix

will give the information more clearly.
-- 
derek