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

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                      3: sticky bit                  Definition                 sticky bit
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                      8: The sticky  bit is one of  the mode bits associated  with a file.
                      9: If the sticky  bit is set for an executable  file and swapping is
                     10: enabled, COHERENT behaves in  a special way when it executes that
                     11: file.
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                     13: When the  COHERENT system executes  the file the  first time, all
                     14: proceeds  normally.  When  the program  exits, however,  the pure
                     15: segments are left on the  swap device; when the program is re-in-
                     16: voked, COHERENT  reads ``pure'' code  (text) areas from  the swap
                     17: device  and all  other (impure)  segments  from the  file system.
                     18: This speeds  execution of large  programs that are  executed fre-
                     19: quently.
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                     21: This strategy works well on systems that have large swap devices.
                     22: Because overuse  of the sticky  bit would quickly  swamp the swap
                     23: device, only the superuser can set the sticky bit.
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                     25: ***** See Also *****
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                     27: chmod, definitions
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                     64: COHERENT Lexicon                                           Page 1
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