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Explain the Types of System Calls
The major types of system calls are like this:
a. Process Control: These types of system calls are employed to control the processes. Some instances are end, execute, create process, abort, load, terminate process etc.
b. File Management: These types of system calls are employed to manage files. Some instances are read, Create file, open, delete file, close, write etc.
c. Device Management: These types of system calls are employed to manage devices. Some instances are Request device, read, release device, write, get device attributes etc.
Optimal page replacement An optimal page replacement algorithm has the least page fault rate of all algorithms. The algorithm states that put back the page that will not be us
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
what is internal fragmentation?
Q. How would utilize of a RAM disk affect your selection of a disk-scheduling algorithm? What factors would you require to consider? Do the similar considerations apply to hard-di
What is a sequential file? A file that is read one record or block or parameter at a time in order, based on a tape model of a file.
FIRST FIT ALGORITHM Scanning a list along with if a free hole is available with necessary space for the process to allocate it allocates the process in that space. The first s
What is the MFD? UFD? How are they related? MFD is master-file directory, which points to the UFDs. UFD is user-file directory, which points to each of user's files.
Program of Calculator and Controller with the fork, exec, and wait system calls The objective of this assignment is to get you to be comfortable with the fork(), exec(), and wai
How is it different from the unbounded buffer algorithm ? Explain.
Define swapping. A process requires being in memory to be executed. Though a process can be swapped temporarily out of memory to a backing store and then brought back into memo
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