How do mountain climbers retrieve ropes?

Climbing El Capitan (and Alex Honnold)

How do mountaineers get their ropes/anchors above them when they, themselves, haven't climbed that high (like when they're climbing steep, nearly 90 degrees, rocky mountains)? They're depicted as climbing on ropes, but

American Alpine Institute - Climbing Blog: Retrieving a Stuck Rope

The 6 Best Rock Climbing Ropes

How do climbers retrieve ropes after a descent? - Quora

Mountain Climbing Rope Cheap Sale

How to retrieve trad gear

The Noob's Guide to Gym and Outdoor Rock Climbing - Outside Online

climbing - How do climbers retrieve anchored rope? - The Great Outdoors Stack Exchange

Ok, is this a valid use of the hole on this ATC? Or just a really great way to get myself killed. I dont see why not but my gut is saying

When rock climbing, how do climbers get their hook/anchor above them to climb up? Does the first climber do it bit by bit until those behind have a decent distance to climb?