Linking/Chaining Commands in Linux

To add to your productivity and save time, chaining and linking linux commands is a fine way to go.
There are various chaining and linking commands present in Linux, but many Linux users are not aware of it.

• To send a process to the background, append your command with '&' at the end. 

Eg. -
$ping -c1 yahoo.com &
$ping -c1 yahoo.com & rm -f  *.flv &