Show all installed packages or software in Linux, FreeBSD, OpenBSD

by nixCraft on August 25, 2006 · 8 comments· last updated at August 29, 2006

Q. I am using CentOS how do I show all installed packages in Linux?

A. You need to use rpm command to display all installed packages in Linux.

Type the following command to get list of all installed software
# rpm -qa | less

Type the following command to get list of all installed software:
# dpkg --get-selections

Type the following command to get list of all installed software:
# sudo dpkg --get-selections

Type the following command to get list of all installed software:
# pkg_info | less # pkg_info apache

Use pkg_version command to summarizes the versions of all installed packages:
# pkg_version | less # pkg_version | grep 'lsof'

OpenBSD also use pkg_info command to display list of all installed packages or software:
# pkg_info | less # pkg_info apache

You should follow me on twitter here or grab rss feed to keep track of new changes.

{ 8 comments… read them below or add one }

1 sikamani May 23, 2008 at 6:55 am: yes this web site very use full to get the result
Reply
2 uday September 11, 2008 at 2:18 am: Thanks for the detailed info.
I have a question:
How can we list if a software in not in rpm format? is there any command/procedure to find them? Please let me know.
Reply
3 Nagarjun March 2, 2009 at 8:22 am: can anyone compare installing a software in windows and in linux?
Reply
4 Nitin Kumar September 18, 2009 at 9:06 am: can some one help me… how to set up mail configuration on centos?
Reply
5 Molinero April 18, 2011 at 5:52 pm: Show all installed packages or software in Slackware
Manually:
# ls /var/log/packages
By slapt-get
# slapt-get –installed
Reply
6 Molinero December 5, 2011 at 8:07 pm: Show all installed packages or software in Red Hat/Fedora Core/CentOS Linux with YUM
# yum list installed
Reply
7 Eddie March 8, 2013 at 7:15 am: Can you tell me how to save the output of this command into a separate file?
Reply
8 Deepak May 8, 2013 at 6:41 am: If you want to save the output of some command, you can use redirect operation.
For eg:
To save the output of the command “yum list installed”, execute
# yum list installed > installed_packages.txt
where “installed_packages.txt” is the file where the output of the executed command
is saved.
This will be more helpful especially when the output of the command exceeds the
screen space.
Reply