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List sample file types, based on use, on the VAX under VMS.
source programs (.BAS, .FOR, .COB, .PLI, .PAS, .MAR)
data files (.DAT)
text files (.TXT)
command procedures (.COM)
mail files (.MAI)
compiler-listing files (.LIS, .LST)
object files (.OBJ)
executable image files (.EXE)
journal files (.JOU)
The dynamic memory allocator is a layer between the application and the OS, managing heap objects. When a program requests memory from the allocator (via malloc(), for instance), t
What are the five major activities of an operating system in regard to process management? The creation and deletion of both user and system processes The suspension and res
Q. Describes responsibilities of the I/O manager? Answer: The I/O manager is responsible for file systems and device drivers and network drivers. The I/O manager keeps follow
Define busy waiting and spinlock. When a process is in its significant section, any other process that tries to enter its critical section must loop continuously in the entry c
Explain the Per Thread Scoping Thread-level programming introduces new twists for application-level variable scoping. Threads are commonly used in one of two ways. To ex
What is a Relocatable program? The Relocatable programs can be loaded almost anywhere in memory.
Q) a. Given that the first three necessary conditions for a deadlock are in place, comment on the feasibility of the following strategy. All processes are given unique priorities.
what is process creation and how to create a process
LRU approximation page replacement In this we utilize the reference bit associated with the page entry to choose a page to be removed. The various algorithms used for the imp
1. How is reliability enhanced with the microkernel approach to system design? 2. In a virtual machine design where guest operating systems are independent virtual machines sup
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