ubuntu show installed packages code example
Example 1: how to find installed packages in ubuntu
apt list --installed
Example 2: ubuntu list latest installed packages
apt list --installed | grep [name]
Example 3: how to check installed packages in linux command
dpkg-query --list | grep -i nano
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Example 4: list apt installed programs
# Use aptitude to get packages which were expressly installed (not just as dependecies)
aptitude search '~i!~M'