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qlmanage:tldr:d3a8f
qlmanage: Reset QuickLook.
$ qlmanage -r
try on your machine
The command "qlmanage -r" is used to reset the Quick Look server on macOS. Quick Look is a feature in macOS that allows you to preview the contents of a file without opening it.
The "qlmanage" command is a command-line tool that allows you to manage Quick Look. The "-r" option stands for "reset" and is used to reset the Quick Look server.
When you run "qlmanage -r" in the terminal, it stops and restarts the Quick Look server, which can help resolve any issues or glitches with Quick Look. This can include problems like previews not appearing or previews being slow to load.
Overall, running "qlmanage -r" refreshes the Quick Look server, ensuring that it is running properly and ready to generate previews for files.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.