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

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

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.

Red Hat/Fedora Core/CentOS Linux

Type the following command to get list of all installed software

# rpm -qa | less

 

 

Debian Linux

Type the following command to get list of all installed software:

# dpkg --get-selections

 

 

Ubuntu Linux

Type the following command to get list of all installed software:

# sudo dpkg --get-selections

 

 

FreeBSD

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

OpenBSD also use pkg_info command to display list of all installed packages or software:

# pkg_info | less
# pkg_info apache