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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){
shell script that accepts two directory names as arguments and delete those file in the second directory that are identical to the file in the first
Question 1 Explain with diagram all possible states a process visits during the course of its execution Question 2 Discuss Inter-process Communication. What is critical-secti
We have talked about blocking locks, which voluntarily yield, and spinlocks, which just spin until they acquire the lock. At ?rst, it seems like spinlocks are verywasteful, and tha
Q. Presume that a distributed system is susceptible to server failure. What mechanisms would be needed to guarantee the exactly once semantics for execution of RPCs? Ans
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
Q. Most WANs utilize only a partially connected topology. Why is this subsequently Answer: Cost. A completely connected network requires a link between every node in the netw
File System Interface and Implementation The Nachos file system, as distributed, uses a single-level index allocation method for data allocation of files. In the current design,
What is the use of multiprogramming on individual processors ? In the usual multiprocessor, which is dealing with independent or coarse-grained synchronization granularity, it i
explain about oprating system services and topics briefly
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