how to get the list of all the packages installed with apt ubuntu code example

Example 1: how to find installed packages in ubuntu

apt list --installed

Example 2: how to check installed apps in ubuntu

apt list --installed | grep program_name

Example 3: ubuntu list latest installed packages

apt list --installed | grep [name]

Example 4: list apt installed programs

# Use aptitude to get packages which were expressly installed (not just as dependecies)
aptitude search '~i!~M'