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Mar 07, 2018 Most users don’t deal with permissions at all, so this can be a baffling idea. What are permissions, and why should you repair disk permissions on the Mac? Why should users repair disk permissions? MacOS is based on Unix, and like Unix, it’s dependent upon permissions. Every file and folder comes with a set of permissions. Your Mac comes with its own screen-recording feature on macOS Mojave and higher. Open the app or window you want to record, then press Shift+Command+5 to open the system’s screen capture tool. On your Mac, choose Apple menu System Preferences, then click Users & Groups. Open Users & Groups preferences for me Click the lock icon to unlock it. Enter an administratorname and password. Jul 10, 2019 On macOS Mojave and Later The steps for Mojave and newer are the same as the above, but you must add Terminal to Full Disk Access before proceeding. To do this, go to System Preferences Security & Privacy and click the Privacy tab. Click the Lock icon and enter your administrator password to make changes. Next, select the Full Disk Access tab.
“Have you tried repairing permissions?” is a standard Mac troubleshooting tip that’s been floating around the web forever. For many users, this seemed to solve many rare type of problems. But when OS X El Capitan (10.11) released, the Repair Disk Permission option suddenly vanished from the Disk Utility app.
Does that mean Apple has solved the permission-related problems in macOS, or was it something else? We’ll unravel this mystery and show you how disk permissions work on your Mac.
How Permissions Work in macOS
Every item on your Mac, whether it’s a file or folder, carries a set of permissions. These control which user accounts can access it and what kind of access they have. Permissions consist of three activities (read, write, and execute), performed by three types of user (owner, group, and everyone).
You can define privilege rules separately for each ownership tier. Permission, in combination with accounts and ownership, provides you security, enables controlled sharing, can set limited or no access to files, and maintains system integrity.
View File System Permissions
Any user can view the file and folder permissions using Finder’s Info window or the Terminal. https://powerfulzen233.weebly.com/best-laser-printer-for-mac-yosemite.html. In Finder, right-click a file or folder and choose Get Info from the context menu. Click the Sharing & Permissions triangle to expand the item permissions.
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To view this information in the Terminal, type the following:
The character after the dash is a lowercase L and reveals the ownership and permission of your file. On the command line, the abbreviation for the read permission is r, while write is w, and execute is x.
Owner, Group, and Everyone
Let’s break down the three types of users that appear in Mac permission fields:
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- Owner: An item owner is a user who creates the item or copied it to the Mac. Users usually own most of the items in their home folder.
- Group: Every item is also owned by a group. A group is a set of user accounts joined together so permissions can apply to all members.
- Everyone: Use this permission setting to define access for anyone, including local, sharing, and guest users.
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Read, Write, and Execute
Next, let’s look at the three types of permissions these users can have:
- Read: User or group members can open a file but can’t save changes. If it’s a folder, you can browse the list of items.
- Write: User or group members can modify or delete the file. For a folder, you can make changes to folder contents.
- Execute: Files with the execute permission can behave as a program or script. In case of a folder, execute means someone can list its contents provided the read permission is also enabled.
Factors That Cause Permission Problems
In OS X Yosemite and earlier, Disk Utility can verify and repair permissions on some files and folders. However, in actuality, the app doesn’t repair permissions. It simply resets them.
Further, to say Disk Utility repairs permissions makes it sound like permissions can go bad or become corrupted over time. But this is not true. Permissions stay the same until something or someone comes along and changes them. There are many reasons this can happen:
- App Installers: Some installers change permissions on existing items as a necessary part of the installation process, but fails to return them to the proper settings.
- User error: If you’re fiddling with permissions in the Terminal or through a third-party app, mistakes can lead to problems. For example, improper use of the chmod command can change the permission setting of an item.
- Sharing a folder: All users on the computer have permission to access items in the Shared folder. If you’re using this folder as a repository for files in transit, then permission problems are unlikely. But if you store items for use by multiple people on a permanent basis, then issues can arise.
- Permissions on Copied Items: It’s difficult to predict what permissions macOS will assign when you copy files over an external volume, SMB, or FTP. You may need to employ some trial and error to solve this problem.
What Happened After OS X El Capitan?
In OS X El Capitan, Apple introduced System Integrity Protection (SIP) to all system files, folders, and even bundled apps. It protects system contents from intentional and inadvertent tampering while also preserving default permission settings. SIP protects the following directories: /System,/usr,/bin, and /sbin.
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When you update Apple apps or upgrade macOS, the installer will check and reset the permissions of any item if necessary. No third-party app (irrespective of its lousy behavior) can change permissions unless you disable SIP. We’ve dug into more about what SIP does What Is SIP? macOS System Integrity Protection ExplainedWhat is System Integrity Protection on your Mac? We explain what SIP does and how it affects macOS software. Read More if you’re curious.
What About the User and Home Folders?
System Integrity Protection does not protect items in the /Library folder, apps in /Applications, and everything in your Home folder. The ~/Library folder is especially important, because it consists of core system preference files, third-party app preferences, Keychain data, and more.
If the permissions were changed to any of these files or folders, you can expect a multitude of bizarre of problems on your Mac. Aol desktop for mac el capitan free. Issues that can arise due to incorrect permissions include:
- Changes that you make to Finder, System Preferences, or the Dock do not get saved.
- Windows that were open the last time you logged out or quit an app open again after you log in.
- You’re asked for an administrator password while moving certain items in the Home folder.
- You repeatedly get a message saying “macOS needs to repair your Library to run applications.”
- When saving a file, you’ll get a message that a file is locked or don’t have the necessary permissions. This happens a lot with Microsoft Office documents.
- Default or third-party apps could crash on launch. Some apps might even fail to update.
- Firefox or Chrome does not load your preferences and says “Unable to load your profile.”
- Photos and videos you import into Photos don’t appear in the app. Or you get a message to select a default Photos library every time you open the app.
Reset Permissions for the Home Folder
https://powerfulzen233.weebly.com/remote-desktop-for-macos-download.html. From the Finder sidebar, right-click your Home folder and choose Get Info. Click the Sharing & Permissions dropdown triangle to view its permissions.
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Click the Lock button at the bottom of the window and enter your administrator password. Then select the action menu button and choose Apply to enclosed items.
Click OK to confirm the action. The updated permissions will propagate through your Home folder.
Next, open the Terminal app and type the following:
This option resets the user permission on the root volume (/) to the current user ID. If everything goes well, reboot your Mac.
But if you get error 69841, then follow these steps:
On macOS High Sierra or Earlier
- Open the Terminal app and enter the following:
- Then enter this command once more:
- Restart your Mac.
On macOS Mojave and Later
The steps for Mojave and newer are the same as the above, but you must add Terminal to Full Disk Access before proceeding. To do this, go to System Preferences > Security & Privacy and click the Privacy tab. Click the Lock icon and enter your administrator password to make changes.
Next, select the Full Disk Access tab. Then click the Plus button and add the Terminal app.
After doing this, proceed through the above Terminal commands mentioned for High Sierra and earlier.
Understanding Mac User Accounts
When the option to repair disk permissions vanished from the Disk Utility app, we didn’t think much of it because it was never an important troubleshooting step. But seeing the type of problems you might encounter because of incorrect permissions, it’s clear that resetting permissions for your Home folder is the last resort when these issues crop up.
It’s surprising to see that Apple doesn’t include this option anymore. But remember, you should only apply these steps when necessary. Understanding permissions is a complex topic. If you understand how macOS user accounts work, it’ll become a lot simpler. Read this guide to setting up multiple user accounts on a Mac How to Set Up Multiple User Accounts on Your MacHow do user accounts work on a Mac? Can users read and edit each other's files? What happens when you delete a user account? Read More to learn more.
Here's how to capture your computer screen using the built-in tools on Windows and macOS or third-party screen-capture apps.
Want to record the screen on your PC? Maybe you’re a professional who needs to capture your screen for a presentation at work, a software developer generating a how-to video, or someone who wants to upload something fun to YouTube. Windows and macOS allow you to capture your screen activity thanks to built-in tools, though there are also many third-party screen-capture apps. Here's how to use all available tools.
Record Your Screen with the Windows Game Bar
Built into Windows 10, Game Bar was designed to record games that you play directly on your PC or those you stream from an Xbox One. However, it can just as easily capture screen activity from other applications. After you’ve recorded the chosen activity, the generated video is automatically saved as an MP4 file, which can then be uploaded anywhere you like.
To set this up, go to Settings > Gaming > Game bar and turn on the switch for Record game clips, screenshots, and broadcast using Game bar. Here, you can change any keyboard shortcuts associated with opening the Game Bar, taking a screenshot, and recording video.
If you connect an Xbox Controller to your PC, you can trigger the Game Bar by pressing the Xbox button on the controller.
You can record activity in most applications and windows, except the Windows desktop, File Explorer, and certain Windows apps, such as Weather. Navigate to the screen you wish to record and press Win+G to open Game Bar. Several Game Bar widgets appear on the screen with controls for capturing screenshots, recording video and audio, and broadcasting your screen activity.
Click the Start Recording button to capture your screen activity. Instead of going through the Game Bar pane, you can also just press Win+Alt+R to start your recording.
Now perform whatever screen actions you want to capture. After you click on the screen, the Game Bar widgets vanish, replaced by a small floating bar in the upper-right corner of the screen through which you can control the recording. To stop the recording, click the Recording button on the floating bar.
Once the recording ends, a notification will appear to tell you that the game clip was recorded. Click the notification, and File Explorer will open to the location of the recording. At this point, you can view the video file or upload wherever you want.
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Record Your Screen in macOS
Your Mac comes with its own screen-recording feature on macOS Mojave and higher. Open the app or window you want to record, then press Shift+Command+5 to open the system’s screen capture tool. From the bottom toolbar, you can opt to capture the entire screen, just the selected window, or a selected portion of the screen.
Click the Options button, and you can choose where to save your recording and initiate a countdown timer to start the recording. Make sure to check the option to use your Mac’s microphone if you’re recording your own voice or external audio.
Click Record Entire Screen or Record Selected Portion to begin recording. A Recording button appears at the top of the screen on the menu bar. Click this button to stop recording, and a thumbnail of your recording will be added to your computer. Double-click the screen recording file to play it in your default video player.
You can also trigger the screen recording directly from QuickTime on a Mac. Open QuickTime Player, then click File > New Screen Recording. The first time you do this, you’ll be asked to open System Preferences to grant QuickTime Player permission to record your screen. Go into your settings and check the box to grant the proper permissions. Start the new recording through QuickTime again, and you can then use the Mac’s recording tool.
OBS Studio
Compatible with Windows 10, 8.1, and 8, as well as macOS, the free OBS Studio packs a lot of features into one program. Use the program’s floating control panel to start and stop your recording. Along the way, OBS Studio can record screen activity, your microphone, and computer audio, then saves the output as an MP4 file.
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You can also stream your video live or turn to Studio Mode to add cuts, fades, and other transitions to the video. The program offers an array of settings where you can change the format and other criteria for both the video and audio portions of the recording. OBS Studio looks intimidating at first, but you should be able to catch onto it pretty quickly and learn how to use it effectively.
Free Cam
Free Cam is an extremely basic but still capable screen recorder. Designed for Windows 10, 8.1, and 7, this program captures your screen activity and audio, then saves your recording as a WMV file. Simply click the button for New Recording. Then select which area of the screen you want to capture, anywhere from a single window or application to the entire screen.
Click the Record button, perform the screen activity, and then press Esc when you’re done. Activclient for mac catalina. Your recording appears in a preview window where you can edit it, save it as a video file, or upload it directly to YouTube.
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If you need to record the screen on your smartphone, check out How to Record the Screen on Your iPhone or iPad and How to Record the Screen on Your Android Phone.