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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.
Explain about file allocation methods? The main problem in direct-access nature is how to assign space to these files so that disk space if utilized effectively and files can b
what is file abstraction?
We are faced with three major components of the page-fault service time. 1. Service the page-fault interrupts. 2. Read in the page. 3. Restart the processes.
Now let us present an implementation of a producer-consumer system using condition variables. This implementation works. dequeue() lock(A) while (queue empty) { wait(A, C)
Usually memory is allocated from a large pool of unused memory area called the heap. In C++, dynamic allocation/deallocation must be manually performed using commands like malloc,
Do you have writers that can use the software AIMMS version 3.9?
Load Sharing : Processes are not given to a particular processor. A global queue of threads is used to maintain. Each processor, when idle, picks a thread from this queue. Note th
What is a multiprocessing system? Multiprocessor systems are those systems that use additional than a single processor for program execution. It is done for raising the executi
Demand paging With demand paging, a page is called into memory only when a location on that page is actually indexed during run time. With pre-paging, pages other than the one
what is difference between file descriptor and file pointer?
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