      Aug 04 16:00:14
          85 m.c -rw-r--r-- wietse /home/wietse/hello.c (create source file)
      Aug 04 16:00:21
        1024 m.. drwxr-xr-x wietse /home/wietse
        4173 mac -rwxr-xr-x wietse /home/wietse/hello   (create executable)
          85 .a. -rw-r--r-- wietse /home/wietse/hello.c (read source file)

#### Figure 2: File access time patterns for compiling a "hello world" C program. The line in bold shows what information is left behind when the source and executable files are deleted. Access methods are indicated with m (write access), a (read or execute access), and c (attribute change).

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