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Annotation of researchv10dc/man/adm/man2/umask.2, revision 1.1

1.1     ! root        1: .TH UMASK 2
        !             2: .CT 2 file_inq_creat
        !             3: .SH NAME
        !             4: umask \(mi set file creation mode mask
        !             5: .SH SYNOPSIS
        !             6: .B int umask(complmode)
        !             7: .SH DESCRIPTION
        !             8: .I Umask
        !             9: sets the process mode mask.
        !            10: The mask modifies the
        !            11: .I mode
        !            12: argument of
        !            13: .IR creat
        !            14: (see
        !            15: .IR open (2)),
        !            16: .IR mkdir (2),
        !            17: and
        !            18: .IR mknod (2)
        !            19: thus:
        !            20: .L
        !            21:        mode &= (07777 & ~(complmode & 0777))
        !            22: .br
        !            23: In other words, the mask specifies permission bits to be turned off
        !            24: when files are created.
        !            25: .PP
        !            26: The previous value of the mask is returned by the call.
        !            27: The initial value is set by
        !            28: .IR login (8),
        !            29: and may be modified by the
        !            30: .I umask
        !            31: command of
        !            32: .IR sh (1).
        !            33: The mask is inherited by child processes.
        !            34: .SH SEE ALSO
        !            35: .IR open (2),
        !            36: .IR mkdir (2), 
        !            37: .IR mknod (2), 
        !            38: .IR stat (2)

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