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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.
Explain Threads for Executing Concurrent Application Code The thread has been introduced in many operating systems as an efficient mechanism for executing concurrent applicatio
cpu protection in linux
Define rotational latency and disk bandwidth. Rotational latency is the additional time waiting for the disk to rotate the wanted sector to the disk head. The disk bandwidth is
How does a program execution take place in multiprogramming? While the processor is dealing with a number of programs, the sequence with which programs are implemented will de
Q. Explain the differences in terms of cost between the three storage types nonvolatile, volatile and stable. Answer: Volatile storage refers to main as well as cache memory an
Develop a user mode command interpreter which support these functions: "list-short" -- just like ls without any options "list-long" -- same as ls -l "change" -- same as cd Your co
How does an operating system make multiprogramming possible by using single processor?
summary of what operating system do
Since each thread has its own processing space therefore communication between threads will need to be done through a common global variable. Since multiple threads can access the
What does Verification represent? Verification shows the set of activities that are carried out to confirm that the software correctly executes the specific functionality.
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