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

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                      3: getuid()               COHERENT System Call              getuid()
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                      8: Get real user identifier
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                     10: getuid()
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                     12: Every process  has two different versions of  its user id, called
                     13: the real user id and the  effective user id.  The user ids deter-
                     14: mine  eligibility to  access files  or employ  system privileges.
                     15: Normally, these  two ids are identical.  However,  for a set user
                     16: id load module (see exec), the  real user id is that of the user,
                     17: whereas the  effective user id is that of  the load module owner.
                     18: This distinction  allows system programs  to use files  which are
                     19: protected from the user who invokes the program.
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                     21: getuid returns the real user id.
                     22: 
                     23: ***** See Also *****
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                     25: access(), COHERENT system calls, exec, getegid(), geteuid(), get-
                     26: gid(), login, setuid()
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                     64: COHERENT Lexicon                                           Page 1
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