http://www.fmi.uni-passau.de/archive/doc/unix/unixhelp/Unixhelp/tables_access_permissions.html (Einblicke ins Internet, 10/1995)
Permission File Directory
r read read a file list files in ...
w write write a file create file in ...
rename file in ...
delete file ...
x execute execute a read a file in ...
shell script write to a file in ...
execute a file in ...
execute a shell script in ...