dpkg -l postfix

[Stephen R Laniel]

On Fri, Feb 23, 2007 at 06:18:41PM +0530, Kaushal Shriyan wrote:
> I am new to ubuntu and wanted to understand that Output (O/p means Output)

Hi Kaushal,

I believe what Matthew was asking was: why were you running
dpkg -l in the first place? What was your goal? Were you
trying to see whether Postfix is installed? If that was your
goal, I'd do something like

dpkg --get-selections postfix

instead. On my machine, that returns:

> postfix                                         install

which says that Postfix is installed. If you want to see
which version is installed, there are (again) many ways to
do so, but I would do 'apt-cache policy postfix':

postfix:
  Installed: 2.3.3-1
  Candidate: 2.3.3-1
  Version table:
 *** 2.3.3-1 0
        500 http://archive.ubuntu.com edgy/main Packages
        100 /var/lib/dpkg/status

That output is much clearer than dpkg -l's, I think.

-- 
Stephen R. Laniel
steve at laniels.org
Cell: +(617) 308-5571
http://laniels.org/
PGP key: http://laniels.org/slaniel.key
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