2.0.3x Kernel feature - immutable and append only files

["Oliver Elphick" <olly@lfix.co.uk>]

Joerg Friedrich wrote:
  >And this is Alan Cox' note:
  >http://lwn.net/1998/1217/2.0.36.html
....
  >Linux 2.0.36 fixed various security holes as does any stable OS update.
....
  >       mmap on append only files has to be restricted to read maps. 

What utilities (if any) support append only and immutable files?  It doesn't
seem to be a feature of chmod and apropos produces nothing for immutable,
append or acl. There doesn't seem to be a chacl program anywhere.

Does the fileutils package need to be upgraded to support this feature?

-- 
Oliver Elphick                                Oliver.Elphick@lfix.co.uk
Isle of Wight                              http://www.lfix.co.uk/oliver
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