With thousands of free Linux applications, it’s easy to lose track of what you once installed but no longer use. Here’s how to list the installed applications on the major Linux families, and a few methods that don’t depend on your Linux distribution.


Commands:
apt list --installed
apt list --installed | wc -l
apt list --installed | grep xfonts
apt show xml-core
dnf list installed
dnf list installed | grep terminal
dnf info gnome-terminal
pacman -Q
pacman -Q | wc -l
pacman -Qi bash
pacman -Qii bash
flatpak list
flatpak list --app
flatpak info org.blender.Blender
snap list
snap info firefox


Chapters:
0:00 Intro
0:23 Apt: List Installed Packages on Ubuntu
1:20 DNF: List Installed Packages on Fedora
3:07 Pacman: List Installed Packages on Arch
3:54 Flatpak: List Installed Packages on Any Distro
4:26 Snap: List Installed Packages on Any Distro
4:48 Outro


What you'll learn:
1. Apt: List Installed Packages on Ubuntu
a. How to use the package manager for the Debian distribution
b. How To see the list of installed packages
c. How To see how many entries
d. How To find packages of interest
e. How To investigate a single package
2. DNF: List Installed Packages on Fedora
a. How to list installed applications with the dnf package manager
b. How To list the installed packages with dnf
c. How To see how many packages were listed
d. How to pass the output through wc, with the -l (lines) option
e. How To make the output more manageable
f. How to search for packages of interest
g. How to see the details of the package
3. Pacman: List Installed Packages on Arch
a. How To list packages using pacman
b. How to use the -Q (query) option
c. How to displat list of packages in terminal window
d. How To count the installed packages
e. How to pipe the output through wc and use the -l (lines) option
f. How to look at the details of a package
g. How to show where the “.bash_profile” and “.bash_logout” template files are located
4. Flatpak: List Installed Packages on Any Distro
a. How to list installed applications using flatpak
b. How to see installed applications and the associated runtimes that have been installed to satisfy the dependencies of those applications
c. How To see just the applications
d. How To see the details of an individual application
5. Snap: List Installed Packages on Any Distro
a. How To list the applications that have been installed using snap
b. How To see the details for a single application














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