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Work around Photoshop's 3GB RAM limit
Authored by: victory on Jul 18, '08 01:22:31PM

Nice hint!

The manpage for hdid includes an example of a shellscript that can be used to create, (HFS+) format and mount a new ramdisk, if it's something that is going to be done frequently (i.e. on startup).

On the other hand, there's also some wisdom in using the Disk Utility GUI as the original hint described -- folks unaccustomed to the cmdline are less likely to trash their system by mistakenly typing in the wrong /dev/disk## assigned by hdid.

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Work around Photoshop's 3GB RAM limit
Authored by: bkpr on Jul 18, '08 02:47:49PM

I'm very interested in this hint! However, I don't know much (read: anything) about the command line. What would be very handy for me, is a short step-by-step on creating a RAM Disk in this way. I understand this might be time consuming, so I've a few questions that will hopefully enlighten me…

As I picture it, this hint will create a new mounted disk on my desktop, which I can then assign PShop to use as a scratch disk instead of my second HD.

1. Does Disk Utility have a 'RAM Disk' format option, or do I need to select a different format option to create it?
2. After creating the RAM disk with the command line, what does the disk look/act like (before formatting with Disk Utility)?
3. If the final RAM Disk is unmountable, and disappears upon restart, is there a script of some sort that I can use to create/mount it again with a single click, or better still, run automatically at start up? (I have no idea what 'manpage' means :S )


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