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What is the authentication subsystem in the UNIX system environment? What command will resolve if access control list (ACLs) is currently running in system?
Which algorithm creates the most resourceful employ of memory? Why page are sizes always powers of 2? Consider a paging system with the page table kept in memory.
Given memory partitions of 100K, 500K, 200K, 300K and 600K (in order). How would each of First-fit, Best-fit and Worst-fit algorithms place processes of 212K, 417K, 112K and 426K (in order).
What is the differentiation between the safe state and the unsafe state in the deadlock-avoidance system?
In brief illustrate out the producer-consumer problem in the concept of cooperating processes.
What do you mean by Active directory domain in Windows Server 2008? Sustain your answer with the diagram.
Illustrate out the efficiency and performance of File System Implementation and its structure. Illustrate out briefly two instances of System Threats.
What are common features in Bourne shell and TC shell?
Which do you understand by multi-tasking operating system? Write down the tools to track the computer performance.
Describe whether there are any benefits of using a multitasking operating system, as opposed to the serial processing one.
Illustrate out the purpose of the “Access Token” in Security Principals and Security Identifiers. Share permissions have important limitations. Name and illustrate out any four of these li
There are different kinds of viruses which affect a program. List all the two (2) common viruses and illustrate out how they affect programs. List all the two (2) antivirus techniques employed for pr
Illustrate out internal and external fragmentation. Illustrate out 4 algorithms for allocating regions of contiguous memory, and comment on their properties.
Illustrate out the term a ‘file’ and list all three (3) objectives of file management system. List all 2 ways in which programs access files and determine for what file kinds you would use
What is the concept of the atomic operation? Illustrate out the concept involved in the producer – consumer problem.
What is the common disadvantage of all the real memory management methods? How is it overcome in the virtual memory management schemes?
How the access rights are implementation in the sharing of segmentation?
Illustrate the variable partitioned memory management? Describe by using appropriate example.
How are the tracks of status of memory is kept in the partitioned memory management?
Distinguish between the terms deadlock avoidance and deadlock prevention.
What are the various states of a process? Describe by using a process state transition diagram.
What do you mean by the term extended machine view? What are the benefits of hierarchical operating system structure? Describe.
What are the main objectives of the operating system? Illustrate.
What do you mean by deadlock avoidance? Describe the Banker’s algorithm for deadlock avoidance with appropriate example.
Explain the two kinds of queries employed in resolving FQDN. Illustrate briefly three benefits of using “Domains” in the Active Directory.