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Questions tagged [leopard]

Mac OS X 10.5 Leopard, the sixth release of Mac OS X.

Leopard was a fairly large change as classic (Mac OS 9 and earlier) was dropped from this release. This also was the last release that Power PC (PPC) based hardware can run.

Notable new features are Spaces and Time Machine. Also some important security frameworks debuted on Leopard: Application sandboxes (for system apps), application code signing, and the firewall transitioned from kernel based (IPFW) to a socket-level application-specific firewall.

Leopard was also "late" as it was initially described semi-publicly to developers in Mid 2005 as being targeted for early 2007 or even late 2006, but it was not shipped until October 2007. Apple stated that manpower was intentionally shifted to the iPhone which was released in the time between when Leopard was announced and shipped.

204 questions
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Is it possible to run Leopard on late 2011 Macbook Pro

Not asking about Snow Leopard but Leopard. Have install disc. Trying to figure out how to install on partition. Currently Mac is running High Sierra on main drive. Need this to run some software.
Michael
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How to run old mac files in OSX 11?

As I moved from one Mac to the next over the years and therefore from one OS to the next, I kept copies of various files. But now that I want to look at those old files under OSX 11, I cannot even figure out under what OS they were made. Most are…
schremmer
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What is 10.5.8 (Users) preference file for video?

If I can find the users preference file for video resolution I can try deleting it. Hooked up a monitor that doesn't support 1280x900. Just a blank screen and unable to go back to original 1280x1024. The other users video is fine. Thanks
charles
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Undo sudo nvram boot-args="-s" without terminal

I couldn't boot into single-user mode on my iMac 2007 with Mac OS X 10.5, so I forced it to do so with sudo nvram boot-args="-s". However, now my Mac won't boot and sits there with the spinning icon under the Apple logo. Obviously, being an older OS…
Tim Wilkinson
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Running Sierra and Leopard on MacBook Air

I just bought a new MacBook Air and want to know if I can partition the drive and add Leopard (10.5.8) so I can run my older music software. The issue for me both the cost and I like the older versions interface better. I still have an old PowerPC…
Steve Hoskins
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OS X Leopard profile hangs on load

ON a current project, and really need help. Re-install would be a painful option right now. Running OS X 10.5.8 and just downloaded and reinstalled compbo update. Yesterday installed latest version of evernote and now having all types of problems.…
pcasa
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