Which of the following states describe a process that is waiting for a parent process to release its pid?

Question: Which of the following states describe a process that is waiting for a parent process to release its pid?

Kill – Kill a process by ID. 

Killall – Kill a process by name. 

Among the provided options, the state that describes a process waiting for a parent process to release its PID is "kill – Kill a process by ID."

When a process is terminated using the "kill" command with the process ID (PID) of the parent process, the child process may enter a state where it is waiting for its parent process to release its PID. This happens because, after the parent process is terminated, its PID becomes available for reuse by other processes.

It's important to note that the "kill" command is used to send signals to processes in Unix-like operating systems. By default, the "kill" command sends the SIGTERM signal, which is a termination signal. When a parent process is killed, its child processes may become orphaned (i.e., they lose their parent process), and they are then adopted by the "init" process (process ID 1) until they complete their execution.

The "killall" command, on the other hand, is used to terminate processes by their name, not by their PID. It is not directly related to a process waiting for its parent process to release its PID.

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