mbox(5) mbox(5) mbox - . . mbox mbox . mbox . RFC822 RFC2822. (ASCII 10). "From" . From_. addr-spec RFC2822 3.4.1. date-time asctime(3). 70 +1970 70 2000-2069. "CET DST" . : > example@example.com 23 02:56:55 2000 "From" "From " . (MBOXO) "From " '>' (MBOXRD) "From " '>' ( ">From " ">>From " ...). > '-p' MBOXRD-MDA >> '-p' . MBOXO MBOXRD MBOXCL MBOXO "Content-Length:" (MUA) ( mutt(1)) MBOXO MBOXCL MBOXCL MBOXO . ( stat(2)) mbox . (MUAs) Status: . mbox (locking). ( ) : o fcntl(2) POSIX. mbox (NFS) NFS. o flock(2) BSD. o (Dotlocking) . mbox folder folder. link(2) folder.lock . link(2) stat(2). . . folder.lock. (non-blocking) fcntl(2) flock(2) (deadlocks). mbox . . mbox. mbox. /var/spool/mail/$LOGNAME $LOGNAME. $HOME/mbox $HOME . $HOME/Mail/ $HOME mbox. mutt(1) fcntl(2) flock(2) link(2) stat(2) asctime(3) maildir(5) mmdf(5) RFC822 RFC976 RFC2822 Thomas Roessler Urs Janssen mbox 6 AT&T Unix. RFC976. 3 . . : . 19 2002 mbox(5)