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Q. Explain about Operating System Services?
1. Program execution
2. I/O operation
3. File system manipulation
4. Communications
5. Error detection
What is page fault and what are the steps taken by the OS to remove page fault? A page fault is caused while a page that hasn't been brought into memory is being addressed. The
I need help implementing malloc
What do you mean by system calls? System calls give the interface among a process and the operating system. When a system call is implemented, it is treated as by the hardware
write a linux command to display lines from 25 - 45 of directory "/edc/password"
Process States A total of nine states are acknowledged by the UNIX system. They are like as follow: User running Executing
Software for business management integrated into a social network Project Description: We are seeking top professionals to build software with us that manages the business.
write a linux command to display lines from 25 - 45 of directory "/edc/password" write a linux command to display directory in /edc
USER-LEVEL THREADS (ULT) In this level the kernel isn't aware of the existence of threads -- All thread management is complete by the application by using a thread library. Th
Q. Illustrate the function of Loader? A loader is a routine which loads an object program and prepares it for execution. There are many loading schemes: relocating, absolute an
Q. Why is it important to scale up system bus and device speeds as the CPU speed increases? Answer: Consider a system which carries out 50% I/O and 50% computes. Doubling-up
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