extensions to a 2.2.12 kernel
#####################################################
fs/exec.c about line 850  add {} and a printk() statement

        if (retval >= 0) {
                /* execve success */
     printk(KERN_INFO "PID=%d exec (%s) (args=%d, evars=%d) uid=%d euid=%d\n",
                              current->pid,
                              filename,
                              bprm.argc, bprm.envc,
                              current->uid,
                              current->euid);
                return retval;
        }
#####################################################
kernel/exit.c about line 46 add a printk() statement

#endif
                printk(KERN_INFO "PID=%d being released\n", p->pid);
                free_uid(p);
                add_free_taskslot(p->tarray_ptr);
#####################################################
kernel/fork.c about line 723 add a printk() statement

        if ((clone_flags & CLONE_VFORK) && (retval > 0))
                down(&sem);
        printk(KERN_INFO "PID=%d, forked child %d\n", current->pid, retval);
        return retval;
#####################################################