How to Remove the Disk-hogging Sleepimage File from Your Mac

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Geoduck

I have a '08 MacBook that chronically hung. About a quarter of the time if I closed the lid, when I opened it up it would not wake. I'd have to hold down the power button until the machine shut down, then restart it.

This was a minor issue at first but in the last year has gotten much worse. After researching this for some months I stumbled upon this SafeSleep thing. Last August I went through the process listed above to kill SafeSleep and remove the sleepimage file.

My MacBook has not hung once since then. The best improvement I've ever done to it.

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brandont2

Wow. That was nearly a 10 gig file. I'm not looking to disable the feature so it'll just come back later, but yeah, that was big.

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brandonwalkermedia

"Regardless of how important this file may sound, it's actually completely unnecessary."

Hope you guys don't get sued over the fact that by putting this article to use on a MBA could cause it to not wakeup, DeleteInformation, or worse brick the Mac. The MBA uses flash memory that relies heavily on lions backup systems (I.E. Sleepimage).

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Engelsstaub

While I currently would not want to do this on my MBP, it's good to know how in case I ever do.

I appreciate articles like this that are more technical and involve the use of Terminal. Thanks.

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