unix - флешмоб :)

[ocehb]

# file -N $HOME/* | \
  awk -F: '{ type[$2]++ } END{ for (i in type) print type[i],i }' | \
  sort -rn | head -10
128  directory
50  ASCII text
14  ASCII English text
10  ISO-8859 text
6  Lisp/Scheme program text
5  data
4  shell archive or script for antique kernel text
4  Microsoft Installer
3  gzip compressed data, from Unix, last modified
3  ASCII text, with very long lines

ps. под "Microsoft Installer" file понимает .doc файлы.