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BIFF(1)                      BSD Reference Manual                      BIFF(1)

N\bNA\bAM\bME\bE
    b\bbi\bif\bff\bf - be notified if mail arrives and who it is from

S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS
    b\bbi\bif\bff\bf [n\bny\by]

D\bDE\bES\bSC\bCR\bRI\bIP\bPT\bTI\bIO\bON\bN
    B\bBi\bif\bff\bf informs the system whether you want to be notified when mail arrives
    during the current terminal session.

    Options supported by b\bbi\bif\bff\bf:

    n\bn     Disables notification.

    y\by     Enables notification.

    When mail notification is enabled, the header and first few lines of the
    message will be printed on your screen whenever mail arrives.  A ``biff
    y'' command is often included in the file _\b._\bl_\bo_\bg_\bi_\bn or _\b._\bp_\br_\bo_\bf_\bi_\bl_\be to be exe-
    cuted at each login.

    B\bBi\bif\bff\bf operates asynchronously.  For synchronous notification use the _\bM_\bA_\bI_\bL
    variable of sh(1) or the _\bm_\ba_\bi_\bl variable of csh(1).

S\bSE\bEE\bE A\bAL\bLS\bSO\bO
    csh(1),  mail(1),  sh(1),  comsat(8)

H\bHI\bIS\bST\bTO\bOR\bRY\bY
    The b\bbi\bif\bff\bf command appeared in 4.0BSD.

4th Berkeley Distribution        June 6, 1993                                1