On Ubuntu 18.04, nautilus only has a recursive search. This is not always convenient, and when you press the key of the first letter of the file name in the desired folder, it is convenient that it is highlighted, and the search for subfolders does not start.
In other words, I will describe in screenshots.
 |  |
| Recursive search, by subfolders | Interactive, in this folder by letter |
Interactive search settings :
sudo add-apt-repository ppa:lubomir-brindza/nautilus-typeahead sudo apt dist-upgrade
Alt + F2 and in the window that opens, enter:
nautilus -r
A reboot may be required.
Rollback of this innovation :
sudo apt install ppa-purge sudo ppa-purge ppa:lubomir-brindza/nautilus-typeahead
As a result, we get two independent search methods. Recursive on the search button, and interactive on the first character keystroke.
Source:
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