I'm a newbie in stackexchange and don't have meta privileges. But I would like to know what command or steps to do in order to list the questions I've asked previously. Thanks.
You just need to search for user:william-pabón. You can view more tips like this on the search page under "Advanced Search Tips".
Click your gravatar on the top bar, then on the freshly loaded profile page select "activity" tab and then "questions" tab.