1404  vim copy_constructor.cc 
 1405  g++ -o copy_constructor copy_constructor.cc 
 1406  ./copy_constructor 
 1414  cd binary_tree/
 1415  ls
 1416  vim BinaryTree.cc
 1417  vim BinaryTree.h
 1418  vim BinaryTree.cc
 1419  vim copy_tree.cc 
 1420  vim BinaryTree.h 
 1423  g++ -o copy_tree BinaryTree.cc copy_tree.cc 
 1424  ./copy_tree 
 1425  cd ..
 1428  cd vector/
 1429  ls
 1430  vim Vector.h 
 1431  vim Vector.cc
 1432  vim const_quiz.cc 
# Test your quiz answers by running the compiler
 1433  g++ -o const_quiz const_quiz.cc Vector.cc
 1436  history > lec23.history