What programs do professional designers use to produce a design and do most of them major in graphic design?

Question by Robert R: What programs do professional designers use to produce a design and do most of them major in graphic design?
I mean street wear companies like Supreme, The hundreds, Alife, and Johnny Cupcakes. Do you think these people took graphic design courses in college? I really want to know the steps in which I must do to design my line of t-shirts and someday open a clothing boutique in NYC.

Best answer:

Answer by mac_fixit
Many of the current younger ones would have – YES.

As to the apps they use – Illustrator, Photoshop for designs and Dreamweaver and Flash for the web sites and Quicktime and Final Cut for the videos.

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