Doing stuff in Ubuntu

The following works for Ubuntu 14.04.2 LTS

In the terminal:

- Checking the ubuntu version:
lsb_release -d

- Installing programs:
sudo apt-get install program-name

- Looking for a certain type of file within the current directory, e.g. .pdf files:
find -name "*.pdf"

- Increase the screen idle dim timeout for Ubuntu 14.04:
gsettings set org.gnome.desktop.session idle-delay number-of-seconds

- Opening files in the current directory:
xdg-open file-name


 Other:

- To create desktop shortcut, go to /usr/share/applications.
Select the icon and press Ctrl+c to copy it. Go to the desktop and press Ctlr+v.
Note that drag and drop won't work.