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Annotation of coherent/a/usr/man/COHERENT/umask, revision 1.1

1.1     ! root        1: 
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        !             3: umask()                COHERENT System Call               umask()
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        !             8: Set file creation mask
        !             9: 
        !            10: iinntt uummaasskk(_m_a_s_k)
        !            11: iinntt _m_a_s_k;
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        !            13: umask allows a process to  restrict the mode of files it creates.
        !            14: Commands that create  files should specify the maximum reasonable
        !            15: mode.   A  parent (e.g.  the  shell sh)  usually  calls umask  to
        !            16: restrict access to files created by subsequent commands.
        !            17: 
        !            18: mask should be constructed  from any of the permission bits found
        !            19: in chmod (the low-order nine  bits).  When a file is created with
        !            20: creat or  mknod, the bits  specified by mask are  zeroed in mode;
        !            21: thus, bits set in mask specify permissions which will be denied.
        !            22: 
        !            23: umask returns the old value of the file creation mask.
        !            24: 
        !            25: ***** See Also *****
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        !            27: COHERENT system calls, creat(), mknod(), sh
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        !            64: COHERENT Lexicon                                           Page 1
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