http://www.fmi.uni-passau.de/archive/doc/unix/unixhelp/Unixhelp/concepts_fsystem.html (Einblicke ins Internet, ~06/1995)A file system is a logical method for organising and storing large amounts of information in a way which makes it easy manage. The file is the smallest unit in which information is stored. The UNIX file system has several important features.