Added comments and help commands to user apps

exec.c

@@ -130,6 +130,7 @@ int exec(char *path, char **argv) {
     }
     safestrcpy(curproc->name, last, sizeof(curproc->name));
 
+    // If the process is tied to a console update the title to the new process name
     if (curproc->consoleptr != 0)
     {        
         setconsoleproctitle(curproc->consoleptr, curproc->name);