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What are two differences among user-level threads and kernel-level threads? Under what circumstances is one type better than the other?
(1) User-level threads are unknown by the kernel, while the kernel is aware of kernel threads.
(2) User threads are listed by the thread library and the kernel schedules kernel threads.
(3) Kernel threads require not be associated with a process while every user thread belongs to a process.
File allocation using I nodes. This method is used to decrease the size of the table in the above method. Every file will have an I-node list. Allow a file have 15 pointers a
Explain Wait for Graph a. Use a resource allocation graph to derive a wait-for graph. b. Wait-for graph acquired by making an edge from p 1 to p 2 iff p 1 is waiting for
Front page We need to continue or customization and documentation of our system. Currently our system boots into runlevel 5 and we need it to boot into runlevel 3. For future r
To explore the UNIX file system, use basic UNIX commands and use a text editor. Task: 1. Logon to Linux. 2. Create a directory "Unix" under your home d
Q. What protection problems may occur if a shared stack is used for parameter passing? Answer: The contents of the stack could be conciliation by other process(es) sharing th
Define Page stealing Page stealing is taking page frames another working sets
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
Explain with an example the need of Shift Alteration in critical section problem? Consider processes P i and P j and consider the algorithm for P i and P j .
we need an information about the different graph directory systems in detail by using shell sort . we also application part of directory systems in practical life. please help us i
Question: a) Each process is represented in the operating system by a process control block (PCB). The PCB contains many pieces of information associated with a specific proce
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