Take one app which wants to do heavy IO and it will stall the OS more often than not. Take a machine which boots the OS and check how much stuff gets on the sc

Take one app which wants to do heavy IO and it will stall the OS more often than not. Take a machine which boots the OS and check how much stuff gets on the screen and if you can interact with it while the HDD led is at full brightness or blinking heavily. Take an i7 with 8GB of RAM and one 64MB WD RE4 drive and see how much that stalls compared to OS X on the same hardware... How come the cost of accessing the disk for reads / writes is greater for performance when compared to OS X? Why is Linux able to get stuff done and displayed on the screen while doing disk IO? I am guessing it's trying not to block as much due to starving other threads which want to read / write Notes: I've been using Windows since 96, Linux since 2001 and Mac OS X since 2004. I don't claim to be an expert or anything, nor a fan of any OS, I just made some observations over the time and wish that all the OSes improve in one or many areas.