Drawing smoother lines in Photoshop CS2 - Graphic Design Stack

I've seen people draw in Adobe Photoshop, however unlike my sketchy lines, theirs come out a lot smoother and I mean a lot. I was just wondering how to do this and if its a system thing rather then a

Smoothing out scanned drawn lines in Photoshop. - Adobe Community - 12577353

Drawing smoother lines in Photoshop CS2 - Graphic Design Stack Exchange

Any tips for making smooth lines? I've been relegated to CS2. : r/MLPdrawingschool

Smooth Lines & Sketching Tips in Photoshop [Drawing with Brushes]

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Solved: Brush strokes become jagged after a few seconds - Adobe Community - 5982825

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Photoshop line/brush smoothing - Graphic Design Stack Exchange

Draw with Pen tools in Photoshop