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December 01, 2000

File Recovery Techniques

(Page 5 of 9)
Dec00: File Recovery Techniques 


Aug 04 16:13:08
    85 m.. -rw-r--r-- wietse <hda6-311549> (create source file)
Aug 04 16:13:16
 10897 mac -rw-r--r-- wietse <hda1-2022>   (compiler temp file)
   301 mac -rw-r--r-- wietse <hda1-2023>   (compiler temp file)
   872 mac -rw-r--r-- wietse <hda1-2024>   (compiler temp file)
    85 .a. -rw-r--r-- wietse <hda6-311549> (read source file)
  4173 m.. -rwxr-xr-x wietse <hda6-311550> (create executable)
Aug 04 16:13:22
  4173 .a. -rwxr-xr-x wietse <hda6-311550> (run executable)
Aug 04 16:13:28
  1024 m.. drwxr-xr-x wietse /home/wietse                       
    85 ..c -rw-r--r-- wietse <hda6-311549> (delete source file) 
  4173 ..c -rwxr-xr-x wietse <hda6-311550> (delete executable)

Figure 4: Access time patterns for existing and deleted files after creating, compiling, running, and removing a "hello world" C program in Wietse's directory. Deleted files are represented by disk name and by file inode numbers. Only information in bold is likely to survive for an appreciable amount of time. Access methods are indicated with m (write access), a (read or execute access), and c (attribute change).

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