FROM(1) — UNIX Programmer’s Manual
NAME
from − who is my mail from?
SYNOPSIS
from [ −s sender ] [ user ]
DESCRIPTION
From prints out the mail header lines in your mailbox file to inform you who sent your mail. If user is specified, user’s mailbox is examined instead of your own. If the -s option is given, only headers for mail sent by sender are printed.
FILES
/usr/spool/mail/\(**
SEE ALSO
4th Berkeley Distribution — %W%%Q%%Y%