Homework & Coursework Questions

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1. The problem statement, all variables and given/known data:

So my problem is: 4990 of 5000 users should be able to access a file. How can this be accomplished.

2. Relevant commands, code, scripts, algorithms:

N/A

3. The attempts at a solution (include all code and scripts):

I have already taken into account ACLs. I have proposed this as one solution. However, what if ANY 4990 of 5000 should be able to access the file simultaneously (maybe it's a system resources thing, or maybe it would be better if the problem stated "500 of 5000." (ACLs won't work here, unless there's a max user attribute I am not seeing).

I have thought about using a counting semaphore or monitor, however this is not an operation of the OS but the software so I don't think it works.

4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):
University of Phoenix, Phoenix, AZ, USA, THOMAS KRAWCZYK, POS 355

Note: Without school/professor/course information, you will be banned if you post here! You must complete the entire template (not just parts of it).

Maybe you should consider using direct I/O
and have a look at This thread post #25 also check the link there.