1

When booting OS X in verbose boot mode (+v on startup), the log is printed on screen.

It seems different to the kernel font, but it might just be a smaller version of it.

Screenshot of a verbose boot (inverted) Yosemite 10.10.1 inverted screenshot Yosemite 10.10.1

Anyone know what font is used and have a credible source?

  • I suggest you to take a photo and upload to WhatTheFont. – jherran Nov 18 '14 at 18:52
  • @jherran I can't get a clear enough photo. The text is far too small on a Retina display and too pixelated on a standard display, not to mention that a photo instead of a screenshot isn't really good enough when there's so many similar fonts it could be. – grg Nov 18 '14 at 19:58
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The font used seems to be a somewhat nameless cowboy apparently just called Iso-Font and was made by Ka-Ping Yee. He doesn't seem to care about this accomplishment, since he does not list it on his CV.

The sources for this font are compiled into the kernel and the sources to that are to be found at https://opensource.apple.com/source/xnu/xnu-3789.70.16/

In there it simply says:

/*
 * ISO Latin-1 Font
 *
 * Copyright (c) 2000
 * Ka-Ping Yee <ping@lfw.org>
 *
 * This font may be freely used for any purpose.
 */

This rather unsatisfactory naming seems to be accurate nevertheless, as an email transcript on Russian site reveals:

Ka-Ping Yee ISO Latin-1 Font in linux kernel

That site also illustrates how to use this on a Linux console and will show you how it looks when booting linux:

Iso-Font booting Linux

1

Here kayover.deviantart.com/art/OS-X-Darwin-Bitmap-Font-609139414

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