Command Line Utility

Ncdu is a disk usage analyzer with an ncurses interface. It is command line utility which has a better and easier to use interface compared to the basic command 'du'

Sometimes recorded video, screecasts etc have a low volume, if you want to increase the volume without getting into too much complication, you can simply use ffmpeg for the same.

The command:

ffmpeg -i foo.mp4  -filter:a  "volume=5.0"  foo-high-volumet.mp4

Here:

ffmpeg is the command

-i assigns input file i.e. foo.mp4