Does anyone know how to explain this: $ irb >> exec 'date' Wed Mar 14 01:38:11 EDT 2007 $ irb >> Thread.new {} => #<Thread:0x3546e8 dead> >> exec 'date' Errno::EOPNOTSUPP: Operation not supported - date from (irb):2:in `exec' from (irb):2 from :0 >> I couldn't reproduce it on Linux though. -- Kent --- http://www.datanoise.com