> I come from the LInux portable world (switched in November to an iBook > and ordered Monday a new 12" Pbook and switch to this list). When you > use a journaled filesystem with Linux, the disk which hosts the system > will flush buffers and the journal with regular time intervals, so in > practice it never powers down (it can be altered, but it is tricky). I > guess this is similar in OSX. This makes sense, and it appears Journaling is on. I am not too sure I want it to be on, or not. I would prefer to turn it off, but is that advisable? Will this increase my battery life? I want to increase the HD life, and prefer it sleeps when I am away for it for a large chunk of time. John Pariseau