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Peter Cooperx http://www.petercooper.co.uk/

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How to create a RAM disk on OS X

32768 = size in sectors (16MB in this case, a sector is 512 bytes)

   1  
   2  $ hdid -nomount ram://32768
   3  /dev/disk1
   4  $ newfs_hfs /dev/disk1
   5  $ mkdir /tmp/ramdisk1
   6  $ mount -t hfs /dev/disk1 /tmp/ramdisk1


To unmount:

   1  
   2  hdiutil detach /dev/disk1
to osx files tiger ramdisk ram disk by peter on Mar 30, 2006 2 Comments

Change OS X's default screenshot image format

At the prompt, type this:

   1  defaults write com.apple.screencapture type image_format


Replace "image_format" with a file format name, like pdf, png, tiff, etc. Then to take screenshots, Cmd+Shift+4, then drag around the area you want to capture.
to osx images tiger screenshot screenshots png tiff by peter on Jul 08, 2005 1 Comments
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