FROM(1)FROM(1)NAMEfrom - who is my mail from?
SYNOPSISfrom [ -s sender ] [ user ]
DESCRIPTION
From prints out the mail header lines in your mailbox file to show you
who your mail is from. If user is specified, then user's mailbox is
examined instead of your own. If the -s option is given, then only
headers for mail sent by sender are printed.
FILES
/usr/spool/mail/*
SEE ALSObiff(1), mail(1)4th Berkeley Distribution April 20, 1986 FROM(1)