All of these things can be done on linux with no need for the command line whatsoever but you might have trouble with running multiplayer vidya that don't support linux natively unless they're one of these (there are other multiplayer games that also work)
What do you use your device for if you don't mind my asking
these days my home desktop is mostly web, piracy, videos, and vidya, nothing terribly fancy
i realise the vidya will likely mean keeping a windows partition anyway
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All of these things can be done on linux with no need for the command line whatsoever but you might have trouble with running multiplayer vidya that don't support linux natively unless they're one of these (there are other multiplayer games that also work)