Papo Nerd

Modern Operating Systems, do Tanenbaum, 2nd edition, p. 412:

    In a experiment to see if Windows NT file usage was appreciably
    different from UNIX file usage, Vogels made measurements on files at
    Cornell University (Vogels, 1999). He observed that NT file usage is
    more complicated than on UNIX. He wrote:

        When we type a few characters in the notepad text editor, saving
        this to a file will trigger 26 system calls, including 3 failed
        open attempts, 1 file overwrite and 4 additional open and close
        sequences.

valeu silas