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Operating Systems - Quick Questions

Please provide written responses to the following questions. Each response should be about a paragraph or two in length.

Describe the following types of directory structures for a filesystem, including listing pros and cons of each type: Tree-Structured, Acyclic Graph-Based, and General Graph-Based.

Describe what an inode is on a UNIX filesystem. Give several examples of pieces of data that would be stored in an inode.

Describe the process for doing an I/O over DMA in a modern system. Be sure to include how interrupts are used in the process.

Consider the following snapshot of a system's resource allocations:

Allocation Max Available

A B C D A B C D A B C D

P0 0 0 1 2 0 0 1 2 1 5 2 0

P1 1 0 0 0 1 7 5 0

P2 1 3 5 4 2 3 5 6

P3 0 6 3 2 0 6 5 2

P4 0 0 1 4 0 6 5 6

Is the system as described in a safe state? If so, give an order that the processes could complete successfully. If not, describe why the system is not in a safe state.

If a request from P1 for (0, 4, 2, 0) comes in, can it be granted immediately? Show why or why not.

(Question adapted from OSC 9e.)

Describe how the LRU algorithm for virtual memory page replacement works. Describe at least one way that LRU can be approximated with simpler hardware than a full implementation would require.

My budget is $30, but will be added bonus if result is good.

Taidot: Systems Engineering, Linux

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Tietoa työnantajasta:
( 0 arvostelua ) United States

Projektin tunnus: #22696763

5 freelanceria on tarjonnut keskimäärin 99$ tähän työhön

utkarshkatiyar19

Hi, I'm an expert in operating systems. I'm sure that I can easily do this project for you. We can have a chat about it. Thanks.

$140 USD 4 päivässä
(32 arvostelua)
4.9
hsh564cf84accd96

I am writing this proposal in order to work for you in Software and Web Development. We are highly trained professional developers seeking to freelance and earn online. Having a flair in programming and development I Lisää

$30 USD 7 päivässä
(2 arvostelua)
2.3
Samaji206

I am an Electrical Engineer with a masters degree I have high proficiency in Electrical Engineering, HVAC, LTE system model, Thermal system design, FPGA, Verilog / VHDL, Matlab/ Simulink, Microcontroller, Modeling, op Lisää

$30 USD 1 päivässä
(0 arvostelua)
0.0
NishaAfrin55

Hi sir/madam I am eagerly waiting to get busy with your work finish it successfully within the time. Relevant Skills and Experience Operating system,Linux,File handling,memory management etc.,

$155 USD 3 päivässä
(0 arvostelua)
0.0
phonexayphong523

Hi sir. How are you? I have read your requirements carefully and I am very interesting. I am a senior software developer. I think I am a suitable developer you finding now. If you hire me I will deliver good results fo Lisää

$140 USD 7 päivässä
(0 arvostelua)
0.0