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c programming unix

/execv requires full path and all arguments should be // in a null terminated array #include #include #include int main( int argc, cha argv ) pid t pid; pid fork) // creates a new process if (pid 0) / TASK l : call execl to execute pwd execl else printf("parent process waiting for execl to complete " pid fork (pid // creates a new procesS TASK 2 call execv to execute 1s -1 char args execv ( NULL else print ("parent process waiting for execv to complete " pid fork // creates a new process f (pid0f / TASK 3 call execlp to execute ps-e execlp else printf("parent process waiting for execlp to complete " pid = fork ) ; // creates a new process f pid0 TASK 4 call execve to execute cal char *myArgv [ ] = { char *myEnvt"HOME-/usr/bin", NULL execve myEnv)i else printf"parent process waiting for execve complete