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Annotation of coherent/a/usr/man/COHERENT/umask, revision 1.1.1.1

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                      3: umask()                COHERENT System Call               umask()
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                      8: Set file creation mask
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                     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.
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                     23: umask returns the old value of the file creation mask.
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                     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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