Ubuntu How to uninstall Apt-get install software

We all know the simplest way to install software is apt-get install, but uninstall is not used, how to uninstall it?
1.sudo Apt-get Remove xxxxx
sudo apt-get autoremove
2. For the software installed with the command sudo aptitude install XXX
Can be uninstalled with sudo aptitude remove xxx



To add a bit of use: one is to start from the command line Kchmviewer Two is to let the CHM file association automatically, this in the CHM file right-click on the selection on it. The name chosen is kchmviewer. In fact, this command
/usr/bin, you can see a lot of similar commands. With LS may be too much inconvenient to see, can be redirected with ls > ~/log.txt of course you can use other shells such as tail or more

Ubuntu How to uninstall Apt-get install software