For others like me who aren't sure what copy-on-write is: https://stackoverflow.com/questions/628938/what-is-copy-on-write https://stackoverflow.com/questions/6

For others like me who aren't sure what copy-on-write is: https://stackoverflow.com/questions/628938/what-is-copy-on-write https://stackoverflow.com/questions/628938/what-is-copy-on-w...