Ubuntu automatically installs the apt-GET command.

From: http://blog.csdn.net/chen861201/article/details/7035021

Apt-cache search package

apt-Cache show package obtains package information, for example, description, size, and version
sudo apt-Get install package installation package
sudo apt-Get install package--reinstall the installation package
sudo apt-get-F install force installation
sudo apt-Get remove package Delete package
sudo apt-Get remove package-Purge Delete package, including deleting configuration files.
sudo apt-Get autoremove automatically deletes unnecessary packages.
sudo apt-Get update source
sudo apt-Get upgrade update is installed.
sudo apt-Get dist-upgrade System
sudo apt-Get dselect-upgrade use dselect upgrade
apt-Cache depends package to learn about dependencies
apt-Cache rdepends package: learn about a specific dependency
sudo apt-Get build-dep package installation-related compiling environment
apt-Get source package download the source code of this package
sudo apt-Get Clean & sudo apt-Get autoclean: cleans up the archive of the downloaded file.
sudo apt-Get check checks whether any corrupted dependency exists.