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Q. In some systems a subdirectory is able to be read and written by an authorized user just as ordinary files can be.
a. Explain the protection problems that could arise.
b. Suggest a scheme for dealing with every of the protection problems you named in part a.
Answer:
a. One piece of information reserved in a directory entry is file location. If a user could alter this location then he could access other files defeating the access-protection scheme.
b. Don't allow the user to directly write onto the subdirectory. Rather offer system operations to do so.
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explain in detail about ipc in linux
Select any business process within this firm, describe it as a set of steps then fill the following table (flow, information, sender and receivern #Minimum 100 words accepted#
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Ask using a laballed diagram explaining the architecture of windows operating ststem
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