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1.1 ! root 1: .TH BIFF 1 "18 July 1983" ! 2: .UC 4 ! 3: .SH NAME ! 4: biff \- be notified if mail arrives and who it is from ! 5: .SH SYNOPSIS ! 6: .B biff ! 7: [ ! 8: .B yn ! 9: ] ! 10: .SH DESCRIPTION ! 11: .I Biff ! 12: informs the system whether you want to be notified when mail arrives ! 13: during the current terminal session. ! 14: The command ! 15: .IP ! 16: .B "biff y" ! 17: .LP ! 18: enables notification; the command ! 19: .IP ! 20: .B "biff n" ! 21: .LP ! 22: disables it. ! 23: When mail notification is enabled, the header and first few lines of ! 24: the message will be printed on your screen whenever mail arrives. ! 25: A ``biff y'' command is often included in the file ! 26: .I \&.login ! 27: or ! 28: .I \&.profile ! 29: to be executed at each login. ! 30: .PP ! 31: .I Biff ! 32: operates asynchronously. ! 33: For synchronous notification use the MAIL variable of ! 34: .IR sh (1) ! 35: or the ! 36: .I mail ! 37: variable of ! 38: .IR csh (1). ! 39: .SH SEE ALSO ! 40: csh(1), ! 41: sh(1), ! 42: mail(1), ! 43: comsat(8C)
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