Answer Posted / hr@tgksolutions.com

A process in Unix is an instance of a running program. Unix processes have a unique Process ID (PID) and can be managed using various commands:
• ps: Displays the list of running processes.
• top: Shows real-time system activity, including processes.
• kill: Terminates a process using its PID. For example, kill 1234 terminates the process with PID 1234.
• nice: Sets the priority of a process.
• nohup: Runs a process in the background, immune to hangups.

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When i run a programm of orphan process. Instead of getting child's parent (ppid)=1 ..i get 1400 and it varies as per system. How can i findthe right soluion??? My pgm: #include # include int main() { int pid; pid=fork(); if(pid < 0) {exit(-1);} else if(pid==0) { printf("Child Process is Sleeping ..."); sleep(10); printf("Orphan Child's Parent ID : %u ",getppid()); } else { printf("Parent Process Completed ... %u ",getpid()); exit(0); } return 0; } Output:

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