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3gb Sleepimage file in >>private under Whatsize ?
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Senior User
Join Date: Aug 2007
Location: U.K.
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Just "Whatsized" my iMac, and this large file is present ... Sleepimage.
Any ideas what it is ?
And can I remove it ?
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iMac Intel Core i5, 2.5GHz, 4GB RAM, 500GB 21.5" Monitor 10.7.4.
iMac 17" 2.0ghz Intel Core 2 Duo w 3gb memory (White one) 10.6.8.
Internal 500gb / 160gb plus External 500gb x 2 (2x Time Machine)
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Professional Poster
Join Date: Mar 2002
Location: Boston
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Its used for safesleep
You can disable it using the following commands withing the terminal window
sudo pmset -a hibernatemode 0
sudo nvram "use-nvramrc?"=false
Once you turn off safesleep you can easily remove it
If you're not dealing with a storage shortage, I'd not worry about it.
edit: safesleep is basically the contents of the ram stored in a file, in case your laptop loses power, hence the term "safe" sleep 
(Last edited by Maflynn; Mar 17, 2009 at 10:17 AM.
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~Mike
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Senior User
Join Date: Aug 2007
Location: U.K.
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Originally Posted by Maflynn 
Its used for safesleep
You can disable it using the following commands within the terminal window
sudo pmset -a hibernatemode 0
sudo nvram "use-nvramrc?"=false
Once you turn off safesleep you can easily remove it
If you're not dealing with a storage shortage, I'd not worry about it.
edit: safesleep is basically the contents of the ram stored in a file, in case your laptop loses power, hence the term "safe" sleep
As I don't use laptops, only desktop, I wonder why it is there !!
I will do as you suggest.
it took a couple of restarts, but sleepimage has now disappeared.
(Last edited by MacNNUK; Mar 17, 2009 at 10:53 AM.
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iMac Intel Core i5, 2.5GHz, 4GB RAM, 500GB 21.5" Monitor 10.7.4.
iMac 17" 2.0ghz Intel Core 2 Duo w 3gb memory (White one) 10.6.8.
Internal 500gb / 160gb plus External 500gb x 2 (2x Time Machine)
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Addicted to MacNN
Join Date: Aug 2004
Location: FFM
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Originally Posted by MacNNUK
As I don't use laptops, only desktop, I wonder why it is there !!
A desktop computer can lose power during sleep as well. I wished mine would so safe sleep.
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Senior User
Join Date: Aug 2007
Location: U.K.
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Originally Posted by TETENAL
A desktop computer can lose power during sleep as well. I wished mine would so safe sleep.
The file was dated 2nd Feb '09.
I usually save before iMac sleeps, in fact as I go along, even with autosave.
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iMac Intel Core i5, 2.5GHz, 4GB RAM, 500GB 21.5" Monitor 10.7.4.
iMac 17" 2.0ghz Intel Core 2 Duo w 3gb memory (White one) 10.6.8.
Internal 500gb / 160gb plus External 500gb x 2 (2x Time Machine)
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