Un-Answered Questions { Operating Systems General Concepts }

Suppose if we have a variable 'I' in run method, if I can create one or more thread each thread will occupy a separate copy or same variable will be shared?

655


What is difference between Process and Thread?

602


What do you mean by multithreading?

640


How to stop running thread?

661


What is the main difficulty that a programmer must overcome in writing an operating system for a real-time environment?

894


How the Kernel handles both the page stealer and the fault handler?

632


How does DMA increase system concurrency? How does it complicate hardware design?

658


What is called a page fault?

605


What is fragmentation? Different types of fragmentation?

619


What are starvation and aging?

639


What is the difference between soft and hard links?

568


How do you change File Access Permissions?

625


What is ex and vi?

613


Difference between time sharing and multitasking systems?

581


What is the purpose of system calls?

613