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Define UnixWare
UnixWare manages resources at the process level. Each resource allocated to the application is actually allocated to the process representing the application. Child processes may inherit data and attributes from the parent process pertaining to system and application settings.IDs, signals, masks, resource limits, nice value, class, and priority for scheduling are among some of the many attributes the child and parent share. In addition, directory information such as root and current working are inherited by the child process.
Explain about threading issues? The fork and exec system calls In a multithreaded program of few UNIX systems have chosen to have two versions of fork, one that duplicates e
expalin about the design issues of network operating system
At the end of this lecture, and into the next lecture, we will discuss the last major type of logical error that can occurwhen programming with threads. A deadlock occurswhen two t
operating systems and its types together with its design issues and their examples.
Q. The RC 4000 system as well as other systems have defined a tree of processes (called a process tree) such that all the descendants of a process are given resources (objects) as
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
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
Write about directory structure?
What is preemptive and nonpreemptive scheduling? Under nonpreemptive scheduling once the CPU has been allocated to a process, the process keeps the CPU unless it releases the C
Define the Global vs. local variables It is also important to discuss the scope of resources being granted to the application program. Variable scoping is defined as the acces
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