I’m executing two bash command ps (which is valid bash command to show processes info) and abc (Invalid bash command) using execvp() inside a child process after creating it with by fork() The problem is once execvp() fails parent process is taken over by child process as we can from the output of screenshot. I… Read More Executing execvp() in Child process after fork() still taking over parent process?

regarding this code: #include <stdio.h> int main(){ int x = 1; if (0 == fork()){ int x = x + 1; fork(); } else{ int x = 4 * x; fork(); } printf("%d",x); } Some friends of mine told me that the result should be 2244, but when I try and run it, I get… Read More How does fork() works in this example?

I am pretty new to unix programming and came across something I do not understand. Here it is the following code snippet: #include <stdio.h> #include <sys/types.h> int main() { printf("%d ", fork()); return 0; } The output is: 9298 0. Why does the child process call this printf ? At my course I was told… Read More fork() start of execution