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macOS is the current marketing name for Apple's Macintosh Operating System. This OS was previously known as OS X, and Mac OS X before that (which itself succeeded the 'classic' Mac OS).

2 votes

How to disable major release upgrade in Mojave?

To ignore all updates that start with "macOS Catalina": sudo softwareupdate --ignore "macOS Catalina" To reset all ignored updates: sudo softwareupdate --reset-ignored Source For more details, …
user3.1415927's user avatar
4 votes
1 answer
3k views

How do I edit (remove frames from) an animated GIF using Preview (Mountain Lion)

I've been able to access the animated GIF, similarly to this thread, but I want to remove frames from the GIF. Is this possible with Preview, or do I need to use a different software?
user3.1415927's user avatar
5 votes

Hidden .DS_Store files not appearing in Finder despite enabling display of hidden files

I'm not sure what command the Cmd+Shft+. shortcut invokes, but to truly show hidden files (on 10.9.* through 10.13.*, as of today), use terminal to execute: defaults write com.apple.finder AppleShowA …
user3.1415927's user avatar
1 vote
1 answer
49 views

Why are there two <Command> + I shortcuts in preview?

I'm used to using Preview for simple edits to images - cropping, censoring, highlighting, rotating - and I try to use shortcuts as much as possible. Previously I would use Cmd + I to show the inspecto …
user3.1415927's user avatar
0 votes
0 answers
43 views

How can I observe what low-level system functions support a specific peripheral (specificall...

This question asks about disabling the FaceTime Camera kernel module, but has no answers. I have a similar goal, and I'd like to chase down what might be loading in support of the camera's hardware/in …
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2 votes
0 answers
78 views

(How) Can I access a USB-based DVD drive while in recovery mode?

A client has the need to access a USB-based DVD drive while in recovery mode. How does one accomplish this?
user3.1415927's user avatar
2 votes

What Kernel extensions should be deleted to disable bluetooth?

I'll leave this open to a more definitive answer, but after some guess-and-check I was able to disable the Bluetooth preferences pane with an error To see this preferences pane, you may need to connec …
user3.1415927's user avatar
5 votes
1 answer
6k views

How can I enter recovery mode (for Mac OS, on an iMac) remotely?

Our team administrates several Macs. To save costs (flights, etc.) in events where we have to remotely restore a system at our client location, we are trying to understand how to enter recovery mode w …
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1 vote
0 answers
972 views

What is this progress bar, after initial boot, before login, on High Sierra?

This progress bar shows up after POST (and initial firmware boot?), but before the login prompt. The drive is a brand new SSD (from WD and initialized properly), so I'm really doubtful it's an fsck is …
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3 votes
2 answers
2k views

What Kernel extensions should be deleted to disable bluetooth?

A client needs to completely disable bluetooth. The most basic level (aside from physically disconnecting the antennas or removing the airport card) seems to be disabling the kernel extensions. I lo …
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