package management

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sudo apt-get install <package name> install a package
sudo apt-get remove <package name> remove a package (config files are NOT removed)
sudo apt-get purge <package name> remove a package (config files ARE also removed)
sudo apt-get update update package listings from repositories
sudo apt-get upgrade [<packagename>] perform upgrade of all eligible or specific packages
getting package information:
- apt-cache search <package name or regex pattern> search for packages
- apt-cache show <package name> readable details about a package
- apt-cache pkgnames |sort show a sorted list of packages in the system

command line