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Oct 28, 2010 at 22:09 comment added Gordon Davisson Journalling doesn't work by rewinding, it actually does more the opposite: it completes whatever file operations were in process when the computer crashed.
Oct 26, 2010 at 8:12 vote accept Julian Wergieluk
Oct 25, 2010 at 21:24 comment added Julian Wergieluk I bought a new MacBookPro last thursday, and I already had a system freeze three times. Two of them while copying data from an external hard disk and one after a system update.. not a very lucky start :( But you are right Gordon: with journaling a file system should be able to rewind to the last working state.
Oct 25, 2010 at 19:35 comment added Gordon Davisson Recent versions of OS X use file system journalling by default, which means the file system can almost always heal itself after a crash. Mind you, this does nothing to protect the contents of open files...
Oct 25, 2010 at 18:29 comment added Philip Regan I've never had a problem with the file system upon killing the power to a Mac ever. I've had open files get corrupted, but I save early and often, so it's been a long, long time since that has last happened.
Oct 25, 2010 at 18:20 comment added Julian Wergieluk I must admit, this is a bit surprising. Isn't the use of the power button dangerous? Again, on Linux it's usually the wost thing you can do, resulting eventually in a corrupted file system. Thanks!
Oct 25, 2010 at 17:51 history answered Philip Regan CC BY-SA 2.5