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Basic File System
We have stressed the need for an operating system to make efficient use of the computing hardware. When is it appropriate for the operating system to forsake this principle and to
write a linux command to display lines from 25 - 45 of directory "/edc/password" write a linux command to display directory in /edc
what are operating system services
Mention some attractive properties of semaphore? The Semaphores aren't provided by hardware. However they have numerous attractive properties: Machine indep
What is Multiprogramming? Multiprogramming is the capability of am operating system to support multiple applications running concurrently. Multiprogramming simply means that an
Q. How does DMA raise system concurrency? How does it make difficult hardware design? Answer: DMA increases system concurrency by allowing the CPU to perform tasks while the
how fat file system is organised
why we say" OS is a resource allocator" and “OS is a control program"?
what is instant messaging used for
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
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