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Explain the Fork-join
This is primitives in a higher level programming language for implementing interacting processes. The syntax is like this:
fork ; join ;
where is a label related with some program statement, and is a variable. A statement fork label1 reasons for creation of a new process that begins executing at the statement with the label label1. This process is concurrent along with the process that executed the statement fork label1.A join statement synchronizes the birth of a process along with the termination of one or more processes. Fork-Join offers a functionally entire facility for control synchronization.
How is a process chosen for being swapped either in or out? Swap out: a. If the process is idle. b. If process has been in main memory for a long time.
What is co-operative process? A process is co-operating if it can influence or be affected by the other processes implementing in the system. Any process that share data with o
Explain Deadlock Every process in a set of processes is waiting for an event which only a process in the set can cause.
Q. How Program execute in operating system? Program execution- The operating system fills the contents (or sections) of a file into memory as well as begins its execution. A us
Construct a process tree similar to Figure 1. Look up the Linux command pstree -p and describe what it does. Then type in the command the capture the output.
protection in operating system
Define the Scheduling in Multitasking Earlier we learned the concepts and advantages of multitasking. In a system in which one or more tasks( threads or processes) attempt to s
There is a process bloacked by a semaphore and no other process in the ready queue, can the blocked process get back to the ready queue without the semsignal() function?
Q. What is the major difficulty that a programmer should overcome in writing an operating system for a real-time environment? Answer: The major difficulty is keeping the oper
Explain process scheduling in time sharing The relevant features of time sharing are: 1. Process priorities do not depend on the nature of the processes 2. Proc
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