macOS; Ubuntu; Fedora; Debian https://www.digitalocean.com/community/tutorials/package-management-basics-apt-yum-dnf-pkg
# Debian, Ubuntu
sudo apt-get update
sudo apt-get upgrade
sudo apt-get dist-upgrade
sudo apt-get autoremove
sudo apt-get autoclean
sudo apt-get clean
sudo apt-get install $package
sudo apt-get remove/purge $package
sudo apt search $text
# Fedora
sudo dnf check-update
sudo dnf upgrade
sudo dnf search $text
sudo dnf install $package
sudo dnf erase $package
# CentOS
sudo yum check-update
sudo yum upgrade
sudo yum search $text
sudo yum install $package
sudo yum remove $package
# macOS
brew search $text
brew install $formula
brew update
brew upgrade $formula
brew uninstall $formula
brew list
brew cask ... # for UI apps
brew rmtree <package> # remove package