Question: Operating systems. Please use shell, bash, or C on a linux machine. Thumbs up for a good answer :-) 4. (10 pts) Write a simple

Operating systems. Please use shell, bash, or C on a linux machine. Thumbs up for a good answer :-)

Operating systems. Please use shell, bash, or C on a linux machine.

4. (10 pts) Write a simple test program to find out PIDs of ALL ancestor (i.e., parent, grandparent) processes of the current process or a given process specified by a PID. A parent process's PID of a given process pid can be found in /proc/Spid/status

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