FROM(1) BSD 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, it uses the mail file for the login
user. If the -s option is given, from prints only the header lines for
mail sent by sender.
FILES
/usr/spool/mail/*
SEE ALSO
biff(1), mail(1)