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#include #include #include #include #include int main(void) { int pchan[2], pid, rval, cvar; char buf[20]; if (pipe(pchan) == -1){
Question: (a) Describe blocking and non-blocking types of inter-process communication. What is easier to implement and why? Discuss their relative advantages and disadvantage
how the system call is work?
Question: In a deadlock, processes never finish executing and system resources are tied up, preventing other jobs from starting. Deadlocks can be characterised by a set of cond
Explain Swapping Swapping is a method of temporarily removing inactive programs from the memory of computer system.
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
What is the information associated with an open file? Various pieces of information are associated with an open file which may be: File pointer Disk location of th
EXAMPLE FOR SEGMENTATION Consider an instance as given in the table and we have five segments numbered from 0 through 4 the segment is stock in the physical memory as shown. Th
Q. Explain about Operating System Services? An operating system offers services to programs and to users of those programs. It provided by one environment for execution of
Define Segmentation The memory allocation method subject to “external” fragmentation is Segmentation.
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