FROM - reference manual online
Print names of those who have sent mail.
December 30, 1993
FROM(1) BSD General Commands Manual FROM(1)
NAME from — print names of those who have sent mail SYNOPSIS from [-c] [-f file] [-s sender] [user] DESCRIPTION The from utility prints out the mail header lines from the invoker's mailbox. The following options are available: -c Just print a count of messages and exit. -f file The supplied file is examined instead of the invoker's mailbox. If the -f option is used, the user argument should not be used. Read from standard input if file name “-” is given. -s sender Only mail from addresses containing the supplied string are printed. If user is given, the user's mailbox is examined instead of the invoker's own mailbox. (Privileges are required.) ENVIRONMENT MAIL If set, the location of the invoker's mailbox. Otherwise, the default in /var/mail is used. FILES /var/mail/* SEE ALSO biff(1), mail(1) HISTORY The from command appeared in 3.0BSD.BSD December 30, 1993 BSD