from(1)
NAME
from − who is my mail from?
SYNOPSIS
from [-s sender] [user]
DESCRIPTION
from prints the mail header lines in your mailbox file to show who sent you mail. If user is specified, user’s mailbox is examined instead of your own. If the -s option is given, only headers of mail from sender are printed.
EXAMPLES
List header lines for all current mail in your mailbox that was sent by ken.
from -s ken
FILES
/usr/mail/*
AUTHOR
from was developed by the University of California, Berkeley.
SEE ALSO
Hewlett-Packard Company — HP-UX Release 9.03: April 1994