The search command asks for a search pattern and tries to find a match.
First it looks at the fields following the current field.
If this fails, it matches following records.
If this fails too, it matches preceeding records starting with record 1.
If a record matches the pattern, it is made the current record and
the matching field is made the current field.
Finish entering the pattern with RETURN.
With 
and 
you can step through patterns entered previously.
With TAB you can indicate that you don't want to search after all.