Regular Command
To open a terminal : Ctrl + Alt + T
To open a Tab in existing terminal : Ctrl + Shift + T
$ sudo apt-get update
$ sudo apt-get upgrade
$ sudo apt-get install
To open a terminal : Ctrl + Alt + T
To open a Tab in existing terminal : Ctrl + Shift + T
$ sudo apt-get update
$ sudo apt-get upgrade
$ sudo apt-get install