18 Questions
What is the purpose of the wait() system call?
To allow a parent process to wait for the termination of a child process and retrieve its exit status
What is the consequence if a parent process terminates without invoking the wait() system call?
The child process becomes a zombie process
What is the purpose of the abort() system call?
To allow a parent process to terminate the execution of a child process
What is the term used to describe the situation where the termination of a parent process results in the termination of all its child processes, grandchild processes, and so on?
Cascading termination
What is the purpose of the operating system's process importance hierarchy in mobile operating systems?
To terminate processes in order to reclaim system resources such as memory
What is the consequence if a child process continues to execute after its parent has terminated?
The child process becomes an orphan process
What is the difference between a zombie process and an orphan process?
A zombie process has terminated but still has an entry in the process table, while an orphan process continues to execute after its parent has terminated
What is the purpose of the wait() system call in the context of process termination?
To allow a parent process to wait for the termination of a child process and retrieve its exit status
In POSIX shared memory, what function is used to open an existing segment?
shm_open(name, O_CREAT | O_RDWR, 0666)
In Mach communication, what function is used to send and receive messages?
mach_msg()
How is communication established between processes in Windows message-passing?
Opening a handle to the subsystem's connection port object
What is the primary method of communication in Mach communication?
Message-based
Which system call is used to create shared memory in POSIX?
shm_open(name, O_CREAT | O_RDWR, 0666)
How are messages sent and received in Mach communication?
Using mach_msg()
What type of communication does Windows use for message passing?
Message-passing via LPC facility
'Temporarily cache a message' option when the mailbox is full is applicable in which IPC system?
'Temporarily cache a message' is exclusive to Mach communication
'Indirect communication' is a characteristic feature of which IPC system?
'Indirect communication' is a fundamental aspect of Mach communication
'Producer-Consumer' scenario is commonly associated with which type of messaging passing?
'Producer-Consumer' model often appears in POSIX shared memory systems
Test your knowledge on the implementation of communication links in operating systems based on concepts from Operating System Concepts – 10th Edition. Questions cover topics such as physical and logical communication links, shared memory, hardware bus, network, direct communication, and more.
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