pg_dump

   Hello. Excuse me,  i need to do a pg_dump in my pgadmin 8.3 running in mac, i've tried to do this via terminal typing pg_dump --help as in windows, however it doesn't shows anything, could somebody please help me out with this please? To resume, i have problems to run the pg_dump command in a mac. I'd really appreciate any kind of information that you could provide me. Thousands of thanks in advance.

Greetings.

If you need me to give you some info about my DB configuration i will willingly provide it to you. Once again thanks.