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What are the benefits of multiprogramming?
Responsiveness: Multithreading is an interactive application may permit a program to continue running even if part of it is blocked or is performing a lengthy operation, thus increasing responsiveness to user.
Resource Sharing: By default threads allocate the memory and resources of the process to which they belong.
Economy: Allocating resources and memory for process is expensive. However since allocate resources it more economical
Utilization of multiprocessor architectures: The benefits of multithreading can be greatly improved in a multiprocessor architecture where each thread may be running in parallel on a different processor.
SSTF stands for Abbreviation of SSTF is Shortest-Seek-time-first scheduling
The term IPC (Inter-Process Communication) defines several paths by which different process executing on some operating system interact between each other.
Suppose your process starts up, and allocates some memory with malloc(). The allocator will then give part of a memory page to your process. The OS then updates the corresponding p
Objectives 1. Login to UNIX system and logout 2. Learn features of the vi editor and to use online help (main pages). Gain experience using them to create a document
What is a thread? A thread or else called a lightweight process (LWP) is a basic unit of CPU utilization, it comprises of a thread id, a program counter, a register set and a s
Present your own fully documented and tested programming example illustrating the prevention of a data race in a parallelised program. This is an example where total number of p
Placement algorithms :calculate where in available real-memory to execute a program. Common functions are next-fit, first-fit, and best-fit. Replacement algorithms :are
The question of fairness, regarding page eviction, is a hard one. How do we decide what is fair? Many operating systems use global LRU, where pages from all processes are managed t
As we already know, threadsmust ensure consistency; otherwise, race conditions (non-deterministic results) might happen. Now consider the "too much milk problem": two people share
UNIX Shell and History feature. 1.Creating a child process. 2.Creating a history feature. Its exactly "programming project 1 - Unix Shell and History Feature (p.157-159)" in the Si
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