Can you explain what a DAW is?
DAWs are used to produce the huge majority of music you hear in the media, from commercials to hip hop songs. Even seemingly real orchestral pieces for movies are often composed entirely using artificial instruments. For example, here is Junkie XL showing how he composed themes for Mad Max Fury Road.
The only difference is that Abelton Live and Bitwig (Runs on Linux) are designed for live performance.
I like Reaper (Cost is 1/5 but equally capable) and it also runs reasonably well under Linux. https://linuxmusicians.com/viewtopic.php?t=15280
Actually many people never pay for a license it has a similar model as Sublime Text.
Ableton, at least, also functions perfectly fine in the traditional piano-roll and timeline paradigm of DAW workflow too. Don't let the 'Live' part of the name mislead you into thinking it's only for live performers; it does everything the 'old DAWs' do, AND it's got great features to assist in live performance.
Also in terms of underlying concepts, if you know one DAW well, you can usually learn another one fairly quickly, as it becomes more a question of learning the interface more than anything else.
I remember way back when I used Cubase. Couldn't find any decent help online.
With Ableton, you are spoiled for choice when it comes to tutorials and lessons.
I couldn't disagree more, but I am talking about doing professional work. The concepts are all the same but getting where you are proficient in a DAW takes a very long time to find the quirks and strangeness that each one comes with to produce a quality piece.
Video Editors are hundred times harder to switch.
Many comments here mostly mention software. But there are some interesting exceptions. Check Surgeon for example, who likes to use his custom controllers with Ableton. You actually can see him re-wire the controllers every now and then. (Great music too ;))