I am trying to install JAVA on my Ubuntu 12.04, and I followed the official instructions: http://java.com/en/download/help/linux_x64_install.xml#install
I am stuck at #3: Unpack the tarball and install Java
. I have succesfully run tar zxvf jre-7u7-linux-x64.tar.gz
(which just unpacks), but what is the command for installing it?