[RetroTechie]

Imho tree-view or 'single pane' style file managers are okay if you're just browsing. Open a file here or there, move something to elsewhere in the directory tree, etc.

For more serious work I always gravitate towards 2-pane file managers like TC (#1 favourite on Windows, which for me is back in the stone age).

[steve1977]

Could you guys give some examples of “heavy workloads” or “serious work”?

[viler]

Fro me, it's things like comparing directories, filename search-and-replace/multi-rename, copying/syncing (locally or over ftp) with editable queues, etc.

[neoneye2]

AI training data, can be thousands of files.

[steve1977]

And what are you doing with these files?

[neoneye2]

Shameless self promotion of my own AI experiments.

Around 110000 files checked out related to the OEIS database. The project is open source here: https://loda-lang.org/

I'm experimenting training a vision transformer with ARC tasks. There are 800 tasks, and each task augmented yields around 10000 files. However my ViT code cannot solve any ARC tasks, but my non-ViT code solves 6 ARC tasks. https://lab42.global/arcathon/leaderboard/