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List installed packages on Linux or FreeBSD / OpenBSD system

Q. How do I list all installed packages on Linux or FreeBSD system?

A. Most Linux distributions are based upon rpm or apt-get / dpkg packaging system.

RedHat, Fedora Core, Suse Linux, Cento os all are RPM based distribution

Use rpm command as follows to list all installed packages
rpm -qa
rpm -qa | grep 'package-name'
rpm -qa | grep -i '*httpd*'

Debian or Ubuntu Linux distribution

You can use dpkg command to list all installed packages:
dpkg --list
dpkg --list | grep 'package-name'
dpkg --list | grep -i '*php*'

Task: OpenBSD list installed package

Use pkg_info command for displaying information on all installed software packages
$ pkg_info
$ pkg_info | grep 'package-name'


bash-3.1.10_1       The GNU Project's Bourne Again SHell
expat-2.0.0_1       XML 1.0 parser written in C
gettext-0.14.5_2    GNU gettext package
lftp-3.4.0_3        Shell-like command line ftp client
libiconv-1.9.2_2    A character set conversion library
libstatgrab-0.12_1  Provides a useful interface to system statistics
nmap-4.01           Port scanning utility for large networks
pcre-6.6_1          Perl Compatible Regular Expressions library
pkgconfig-0.20      A utility to retrieve information about installed libraries
vim-lite-6.4.6_1    Vi "workalike", with many additional features (Lite package

Task: FreeBSD list installed package

Use pkg_info command as described above.

{ 9 comments… add one }

  • mr_gfd April 30, 2010, 7:33 pm

    FreeBSD: pkg_info -Ix ‘any-part-of-package-name’

  • Lokendra Patidar April 13, 2011, 11:55 am

    Thanks a lot for help.
    Really it helped lots.

  • pio11 May 4, 2011, 11:20 am

    For packages management better is dselect. It can list, display status and choose packages for install/reinstall/uninstall.

  • bharat May 13, 2011, 9:20 am

    how to download redhat packages ………..

  • tarique February 17, 2012, 9:07 am

    how to know the default installed package in ltib?
    please reply sir……….

  • Kevin September 18, 2012, 11:43 pm

    FWIW, Arch Linux: pacman -Qqe

  • Anurag kumar July 1, 2014, 9:08 am

    thanks for this useful info :)

  • Jim S. August 2, 2014, 2:28 am


    Thanks for this helpful post. Could not have come in handy at a better time. I am in the process of moving all of my projects and other stuff onto another computer. So this really helped me a lot.

    BTW: For those who may not know, adding a ” > /dir/filename.ext ” at the end of the command will output to a text file so that you may print out a hardcopy if needed. – Just thought a little bit more useful info will help.

    – Jim S.

  • Ivan March 25, 2015, 10:44 am

    For FreeBSD things changed a little. Use pkg info. Consult man pkg for further information.

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