dpkg -l
# you can alternatively search for packages using the following
dpkg -l | grep [enter_search_term_here]
# or if you like shortcuts, here is one that you can put in ~/.bashrc or ~/.bash_profile
# instead type in dpkg ... you can use : find_package "name_of_package"
find_package () { dpkg -l | grep "$1"; }

dpkg -l
# you can alternatively search for packages using the following
dpkg -l | grep [enter_search_term_here]

List all packages that are installed in your system

List/Search Packages installed

Bash, ubuntu

Bash