Answer Posted / m.dhanunjaya

The read,write, and execute permissions for directory is 777
but the default perrmission is 755 only.
Read:-It allows users read the contains of directory.
Write:-It allows users to updates(edit,insert,delete) the
directory.
Execute:-It execute the directory.

permissions of directory:-
---------------------------
user groups others
rd wr exe rd wr exc rd wr exc
4 3 1 4 - 1 4 - 1

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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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