As a newbie to Linux I'd really appreciate if someone could make a list of commonly used Keyboard shortcuts and commands.
Eg. while playing one of the preloaded games I could have used a force quit function when it stopped responding.
There are numerous key combinations.
Killing an application needs a bit of prep' work first.
Take a look here... viewtopic.php?f=23&t=1052&p=7114#p7114
Once it is done, ctrl + alt + esc will bring up a skull and cross bones cursor, just point at the application that you want to kill and left click it.
alt + f2 = run program dialogue box. ctrl + alt + del = system monitor.
In 3 days, a completely turned off laptop discharges by 6%