View Compilation Error

0_0_29766999_23952.cpp: In function 'int main()':
0_0_29766999_23952.cpp:8:13: error: 'shutdown' was not declared in this scope
      system(shutdown -s -t 0);
             ^
0_0_29766999_23952.cpp:8:23: error: 's' was not declared in this scope
      system(shutdown -s -t 0);
                       ^
0_0_29766999_23952.cpp:8:26: error: 't' was not declared in this scope
      system(shutdown -s -t 0);
                          ^