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What is the significance of the PID value 0 in the context of child processes in Linux?
What is the significance of the PID value 0 in the context of child processes in Linux?
- It is the PID assigned to the child process by the fork() system call.
- It signifies that the process making the call is the child process. (correct)
- It indicates the PID of the init process.
- It represents the parent process ID.
What is a pipe in Linux, and how does it function?
What is a pipe in Linux, and how does it function?
- A software mechanism for memory management.
- A one-way communication channel between processes. (correct)
- A hardware interface for I/O operations.
- A system call for creating new threads.
What is the purpose of POSIX IPC?
What is the purpose of POSIX IPC?
- To define the standards for internal process scheduling.
- To facilitate the creation of independent processes.
- To establish network communication protocols.
- To provide a set of standards for inter-process communication. (correct)
How do POSIX message queues differ from pipes?
How do POSIX message queues differ from pipes?
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Which IPC mechanism allows for bidirectional communication without the need for a parent-child relationship?
Which IPC mechanism allows for bidirectional communication without the need for a parent-child relationship?
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What is a process in the context of operating systems?
What is a process in the context of operating systems?
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Which system call in Linux is used for creating a new process?
Which system call in Linux is used for creating a new process?
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What is the purpose of the exec() family of functions in process management?
What is the purpose of the exec() family of functions in process management?
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In Linux, what happens to a child process that has terminated, but the parent process has not yet called wait()?
In Linux, what happens to a child process that has terminated, but the parent process has not yet called wait()?
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What does the fork() system call do in the context of operating systems?
What does the fork() system call do in the context of operating systems?
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