Pressing ESC then * will insert in the command line the results of the autocompletion.

It's hard to explain but if you look the sample output or do

you will understand quickly.

By the way, few reminders about ESC :

- Hold ESC does the same thing as tab tab

- 'ESC .' inserts the last argument of last command (can be done many times in order to get the last argument of all previous commands)