Every user has certain attributes: long name, short name, password, and unique numeric user identification (UID).Although UID numbers aren't displayed in the user interface, Mac OS X uses the UID internally to identify users. These numbers can be viewed in NetInfo Manager or the command line.
If you have installed OS X 10.7.2 and enabled iCloud, you may see a guest user account appear at your log-in window that when clicked requests you restart the system into a special Safari-only mode.
With FileVault full-disk encryption enabled, a guest user can only access Safari. (A bug in macOS lets you check the Enable Parental Controls box even with FileVault turned on.) To get more access.The three distinctive features of a Mac guest user are: Guest account users do not need any password for logging in. Those using the Mac guest account cannot change any of the computer or user settings. They cannot remote login, even when the same is enabled from Sharing options.When in single-user mode, the Mac doesn't automatically load the GUI, including the Desktop; instead, it stops the boot process after launching the basic OS kernel. Remove or replace the startup drive, or take your Mac to an authorized service center, such as the Genius Bar at an Apple store.
We built Safari to be the best browser for your Mac, iPhone, and iPad. Built-in privacy features keep your browsing your business. You can stream and search smarter with handy tools that help you save, find, and share your favorite sites. Apple Pay in Safari lets you shop safely and simply.Read More
Having been caught out recently when a web site I launched displayed perfectly on IE, Firefox, Chrome and Safari on Windows but was corrupted when viewed using Safari on the Mac (by a potential customer), I need to start testing how my sites look when viewed on a Mac. Problem is, I don't own a Mac.Read More
Though both are Webkit based browsers, Safari urlencodes quotation marks in the URL while Chrome does not. Therefore I need to distinguish between these two in JS. jQuery's browser detection docs.Read More
Ok there is something really broken in the User options in OS X. You can disable the guest account even though FileVault and Find My Mac are on. These are the steps that worked for me: Step 1. Turn off the Guest User (pay attention, buggy dialog!).Read More
Double check that the Guest User check boxes are still unchecked and now the selection for Guest User should be completely grey. Go ahead and log off your user id under the Apple Menu and the resulting action should bring a login screen with the primary login name and password ONLY.Read More
Understanding User Accounts in macOS. Posted on October 16th, 2017 by Kirk McElhearn. Everyone who uses a Mac has a user account. If you’re the only person using your Mac, then there will only be one account. But if you share your Mac with other users — your family or coworkers, for example — your Mac will contain multiple user accounts.Read More
If you log into this default Guest User account, you’ll notice that the Mac will restart to a secured version of Safari only; the account will also have access to the Internet. In case you ever lose your Mac and the person that finds it is a good Samaritan, this Guest User account will allow them to get online.Read More
The macOS Trojan horse appeared to be able to bypass Apple’s protections and could hijack all traffic entering and leaving a Mac without a user’s knowledge - even traffic on SSL-TLS encrypted.Read More
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About a couple of weeks ago, the Guest user account was automatically enabled on my Mac running OS X El Capitan (by itself, without me enabling it). Now, whenever I start my Mac, I am greeted with a login screen showing two accounts: 1) Mine.Read More