⟩ How can you get/set an environment variable from a program in UNIX?
Getting the value of an environment variable is done by using `getenv()'. Setting the value of an environment variable is done by using `putenv()'.
Getting the value of an environment variable is done by using `getenv()'. Setting the value of an environment variable is done by using `putenv()'.
What is starvation and aging?
If a system has 128 MB RAM and 1 GB hard Disk, and a process decides to use its fully allotted Virtual Memory 2^32 - 2GB = 2 GB, how is it practically possible?. But this works in all machines. How?
Difference between Logical and Physical Address Space?
Describe the actions taken by thread library to context switch between user level threads?
Explain briefly about, processor, assembler, compiler, loader, linker and the functions executed by them?
Explain Segmentation with paging?
What are the major differences between windows XP and Windows 2000 operating systems?
What is the difference between Hard and Soft real-time systems?
Why are page sizes always powers of 2?
On a system with paging, a process cannot access memory that it does not own why? How could the operating system allow access to other memory? Why should it or should it not?