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Apple's built-in backup program for the Mac, Time Machine, makes it incredibly easy to back up all of your important data so you can restore your computer if something should happen. You can even recover deleted files if you accidentally lose them.

If your Mac is equipped with a traditional spinning hard drive (HDD), when you delete files from Trash, empty Trash, or use other means to erase the files — what happens is that the space your trashed file used to occupy is now released and available to be written over.

On Apple laptops, like the MacBook, MacBook Air, and MacBook Pro, Time Machine includes the added feature of creating local snapshots so that, if you disconnect your MacBook from its external hard drive, you'll still have backups stored on your internal hard drive so you can recover data if you need to.

Local snapshots are invaluable for certain situations when you're out and about and need to recover data but don't have your backup hard drive. They also, eventually, start taking up noticeable space on your hard drive.

Why do I have 100 GB of backups on my hard drive?

You need an external hard drive in order to set up and use Time Machine because that's where your backups are stored. So why do you have a large number of backups taking up space on your MacBook's internal hard drive? Because of local snapshots.

As soon as you set up Time Machine on your Mac laptop, local snapshots are created automatically. Time Machine makes one daily snapshot every 24 hours when you start up your MacBook and also stores weekly snapshots. It keeps those weekly snapshots on your internal hard drive until you start to get low on storage. So, if you've been backing up your Mac for years with Time Machine, you could potentially have 100 GB of backups stored in your internal hard drive, as long as you have space for them.

How do I get rid of all these backups?

First, let me preface this by saying that you shouldn't worry about those backups and all the space they are taking up. If everything is working properly, Time Machine will automatically delete the oldest snapshot backups as soon as your internal hard drive has less than 20% of storage space left. If you then, say, download some large program and your internal hard drive plummets to below 10% (or less than 5GB of internal storage), Time Machine will delete all local snapshots except the most recent. The program will then continue to replace the old snapshot with a new one until you free up space on your Mac's internal storage, at which point it will go back to saving weekly snapshots as long as space permits.

That being said, everything doesn't always work properly and you may find yourself out of storage space on your internal hard drive, and those snapshot backups just won't go away. If you really need to delete those snapshots (which I don't recommend unless you desperately need that space), there is a way to purge local snapshots from your internal hard drive. You can use a Terminal command that will disable Time Machine's local snapshot feature, which will delete all of the local snapshots on your internal hard drive. It will also stop Time Machine from creating new snapshots.

To disable local snapshots in Time Machine and remove them from your internal storage:

1. Open Time Machine Preferences from the Time Machine menu in the menu bar on your Mac.
2. Uncheck Back Up Automatically.
3. Wait a few minutes for the local snapshots to delete.

4. Check Back Up Automatically again.

   Source: iMore

Any questions?

Before you decide to purge your local snapshots, be sure you really need to do this. Time Machine should work automatically to remove older backups as you need the storage space on your internal hard drive. If you delete old backups, you can never retrieve data from them if something were to go wrong while you aren't connected to your backup hard drive. If you have any questions about local snapshots, drop them in the comments, and I'll help you out.

Updated March 2020: Adjusted steps for macOS Catalina.

Backing up: The ultimate guide

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Mac Software Empty Trash On External Drive Windows 7

Apple says its offices in the US will not fully reopen until at least 2021

According to a report from Bloomberg, Apple is planning for its office and many of its retail workers to remain remote for the rest of the year.

May 12,2020 • Filed to: Recycle Bin Recovery • Proven solutions

Most of the documents that we delete in our Mac computer usually ends up in the trash can. These usually pile up in the trash and that can take up space on the hard drive. This, in turn, slows down a Mac operating system and its processing power. There are lots of ways to delete unnecessary and obsolete documents into the trash bin. For example, you can use the mouse and drag document icons to the trash icon on the dock. When the mouse button is released the trash can becomes black to show that it has received the deleted files. Or you can also use command and delete button at the same time for choosing a file and then moving the files to the trash. But when the Mac is running slower and slower, you might wish to empty Mac trash completely, right?

There are several reasons why you should clean out Trash regularly in your Mac. When you simply delete files from any folder, they end up in the Trash can. That translates to such files still being part of your hard drive and can be restored as and when you need to. Hence, it does not completely clear up your hard drive. On the other hand, what happens when you empty trash on a Mac? It amounts to such files being removed from the OS though these files can be recovered from the root directory but in a more difficult way and not usually in the usable form. The usable part of your computer memory clears up when you delete the files from Trash.

In this article, we explore step by step how to empty trash on Mac. There are normal ways to empty Trash in your Mac and secure ways of doing it as well as force emptying the trash when normal procedures fail. Here we explore these different ways step by step through the different sections.

Part 1. How to Empty Trash on Mac Normally?

There are easy ways to get your trash emptied in your Mac system. When files are sent to the trash can, they are marked for removal permanently. If you have removed certain files, documents and even folders to the trash can, it indicates that you have no more use of these items. However, if you do not empty out the Trash, these tend to sit there and can be accessible to anyone who snoops around in your system. If these are documents or files that contained private or sensitive information that you do not wish to keep around, it is best to delete them from the Trash.

There are two ways of emptying the documents from the trash folder and emptying your hard drive. The Finder menu has the option to empty trash. You could also press Command, Shift and Delete buttons in order to remove the trash completely. Once this function is done, it cannot be undone. Below is the detailed steps:

Step 1 Click on the Trash can icon and hold onto the same in the Dock panel.

Step 2 When a popup appears saying empty trash, you need to select this option.

Step 3 There is also a way of opening the Trash folder through Finder window- this can be done by using the command and shift keys.

Step 4 Once the Trash option shows up you can opt to empty the trash.

Note: If you are wondering whether the trash folder has got deleted documents, you need to check the icon which will show crumpled paper. This will indicate that the trash can has deleted files or documents.

[Update] If you regret to empty the trash, here are also solutions for you to undo empty Mac trash within few clicks.

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Part 2. How to Secure An Empty Trash on Mac?

There is another way to empty trash on your Mac computer. This is known as the most secure way to remove trash that will help eliminate the unnecessary documents or files that have piled up in the trash folder. You need to be positive and absolutely sure that you wish to get rid of the items in the Trash folder if you wish to resort to the method of secure empty trash Mac. As the items sent to the trash folder are not completely erased from your hard drive, the secure way of doing so is to ensure that your drive space frees up from such unnecessary files.

We might feel that emptying out the trash folder is akin to destroying the files that have accumulated in it. However, they do remain in the hard drive and are marked for overwriting when your computer needs to free up space. Meanwhile, such deleted files can still be recovered by the use of disk recovery software.

For such reasons, the secure empty trash option has been created. This helps to overwrite the deleted files which are done by meaningless data so that the original content cannot be recovered.

The steps to empty trash the most secure way are:

• Click on the trash can icon found on the dock and hold.


• Click on the command key while clicking on Trash; this will change the command to secure empty trash which can now be selected.

This can also be made as the default behavior; if you wish to set this as the default option that Mac will follow for emptying out the Trash folder you need to follow the steps below:

• Go to Finder.


• Click on the menu.


• Find the section on preferences.


• Check the option to empty trash securely.

Part 3. Can't Empty the Mac Trash? How to Force Empty Trash Mac?

There could be certain instances when you are unable to force empty the trash or can't empty trash Mac. You might go into the trash folder and wish to empty the folder of its contents and you receive a notification saying that it could not be emptied.

The reasons could be as follows:

• Your attempt to clear off a trash bin could be thwarted when an item is still in use.


• An item that is in the trash could be locked for which the secure or permanent deletion option does not work.


• An item might contain a special character for which Mac is unable to delete the same.

In the above instances, if you are able to get to the root of the problem and remove the lock or item in use then the trash emptying process can be continued. However, if the problem persists and you are unable to empty the trash folder you might want to resort to force clearing of the trash folder on your Mac.

How to force empty trash Mac using Terminal?

In case you are facing problem emptying the trash from Mac, there is a way to force empty trash Mac by using the Terminal application which provides a convenient solution if the steps are followed right. The steps to follow are highlighted below:

Step 1 Use spotlight to launch Terminal on the Mac after you search and find it.

Step 2 You need to enter the command: sudo rm iR after which there needs to be a space and you need to not press the enter button.

Step 3 Press control and click to open the Trash icon and select the files in the trash folder.

Step 4Drag the files from the trash into the Terminal window. After that you need to hit Enter and enter the administrator password.

Retrieve Empty Trash On Mac

Step 5Press Enter button again. Now you need to wait to see the Trash files being cleared, especially if you are doing the function after a long time.

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[Attention] In case you are unsuccessful in starting Terminal, it would be because you did not add the space after R.

If the above steps are done right then you would be successful in force clearing the Trash folder. Once this is done, restart the computer. Next time the trash folder needs to be cleaned you should not face any problem.

Conclusion

The above steps highlight the different ways you can empty trash on Mac. This is a procedure that you need to do from time to time in order to empty your system of unnecessary files. You could also set the secure way to delete the folder contents as the default way Mac emptied out the trash folder. Only be sure that the files that you sent to trash are absolutely unnecessary and cannot be reused or there would not be needed to recover such documents. The Terminal application usage for force deletion of files from Trash is also a helpful section to check out.