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Process states in Linux OS
Running: Process is either ready to run or running
Interruptible: a Blocked part of a process and waiting for a signal or an event from another process
Uninterruptible:- a blocked state. Process waits for a hardware requirement and cannot handle any process
Stopped: Process is halted or stopped and can be restarted by some other signals
Zombie: process ended, but information is still there in the table of process.
describe competing process
Q. Explain about Error detection method? Error detection: error can occur in CPU, in I/O devices or in memory hardware. Operating system constantly needs to be aware of possi
Write about directory structure?
Invalid page fault :If a page fault happens for a reference to an address that's not part of the virtual address space, so that there could not be a page in memory corresponding
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What is reference string We evaluate an algorithm by running it on a definite string of memory reference and computing the number of page faults. The string of memory reference
Indexed allocation Indexed allocation bringing all the pointers together into one location: the index block. Every file has its own index block, which is an array of disk-block
Write a C program that illustrates the creation of child process using fork system call. One process finds sum of even series and other process finds sum of odd series.
When do we write a page from physical memory back to the disk? In general, caches have two broad types of writing policies. One approach is a write-through cache. In this case,
KERNEL ACTIVITY FOR ULTS: The kernel isn't aware of thread activity but it is still managing process activity. When a thread compose a system call the whole process will be bl
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