Is a statement like ln file file.lock an effective locking mechanism for a user program like the

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Is a statement like 

ln file file.lock 

an effective locking mechanism for a user program like the scripts used in the previous problem? Why (or why not)?

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Related Book For  book-img-for-question

Operating Systems Design And Implementation

ISBN: 9780131429383

3rd Edition

Authors: Andrew Tanenbaum, Albert Woodhull

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