Voko screen works like this

Once you install voko screen on your pc you can lunch it to take screen record. It is a useful software to record the screen. You can use anytime you want to demonstrate any presentation on your pc.

Its availability:

It is distributed only for linux system and you can install on your linux pc only. 

To get started:
Press Ctrl+Alt+T key combination on keyboard to open terminal. When it opens, run below command to add vokoscreen PPA:

sudo add-apt-repository ppa:vokoscreen-dev/vokoscreen

After that, update package lists:

sudo apt-get update

Finally install the tool via:

sudo apt-get install vokoscreen