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An operating system provides the environment within that programs are executed. Internally operating systems differ greatly in their makeup because they are organized along many different lines. Design of a new operating system is amajor task. It is essential that goals of the system be well defined before design begins.
We can view an operating system from many vantage points. One view emphases on the services which the system provides, another on the interface which it makes available to users and programmers and a third on its components and their interconnections.
Q. If magnetic hard disks eventually have the same cost per gigabyte as do tapes will tapes turn into obsolete or will they still be needed? Describe your answer. Answer: Tap
describe competing process
Define the DosExecPgm Functions used in the OS/2 DosExecPgm (objBuffer, objLen, flags, cmdLine, env, &resultCode, execName) DosExecPgm function is designed to load an execut
Write a short note about the different STATES of a process. As a process implement it changes state. The state of a process is described in part by the current activity of that
Q. How could a system be designed to allow a choice of operating systems to boot from? What would the bootstrap program need to do? Answer: Delieve a system that would like to
Most process abstractions support processes being destroyed when the program terminates, or in response to a specific kill directive. There are two common implementations, one a "p
What are the common strategies to select a free hole from a set of available holes? The most common methods are a. First fit b. Best fit c. Worst fit
define semaphore. how can we use semaphore to deal with n-process critical section problem.
Q. Regard as a logical address space of eight pages of 1024 words every mapped onto a physical memory of 32 frames. a. How several bits are there in the logical address? b. H
#include #include #include #include #include int main(void) { int pchan[2], pid, rval, cvar; char buf[20]; if (pipe(pchan) == -1){
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