49
votes
Accepted
Is it safe to delete these 4 files in the folder called dyld
Is it safe to delete these 4 files in the folder called dyld (/System/Library/dyld/)?
Short answer
No, in Big Sur and later it's not safe to delete them (from the screenshot in your question, I see ...
46
votes
Accepted
"System" storage on macOS Sierra is 470GB!
Download OmniDiskSweeper and analyze your hard drive.
OmniDiskSweeper will show you the files on your drive, in descending
order by size, and letting you decide what to do with them. Delete
...
36
votes
Accepted
macOS not showing the actual free space
You probably have some local snapshots on your drive, you can try to list the local snapshots with
tmutil listlocalsnapshots /
and with
tmutil thinlocalsnapshots / 9999999999 1
you can delete ...
21
votes
"System" storage on macOS Sierra is 470GB!
I fixed it on mine, it was to do with the BELLMIN' Time Machine Queue Backup files (i.e. files that meant to go onto the Time Machine but haven't been moved yet due to the TM not reachable or away ...
19
votes
macOS not showing the actual free space
Commands given below resolved the issue for me. Listed and deleted local snapshot and it freed 230 GB on my machine.
$ tmutil listlocalsnapshots /
com.apple.TimeMachine.2019-01-28-143406
$ tmutil ...
18
votes
Is there a `lsblk` equivalent for macOS that lists all attached storage devices?
Adding this answer to complement aglasser's answer.
If you want to list all the USB Devices connected to your mac, run the built-in app System Information (previously known as System Profiler) in the ...
18
votes
Accepted
127 million bytes but 204MB on disk?
It's not beyond the realms of possibility. Allocation block size is 4k. If every file was 5k, then they'd each take up 8k on disk, which gives 218MB.
17
votes
Accepted
Is it safe to delete the content of ~/Library/Logs?
Yes, log files can be safely deleted. Next time a log file needs to be appended to and is missing, it will be created (don't delete the actual Logs folder itself though). Log files are always presumed ...
grg♦
- 206k
16
votes
Accepted
How is iPhone Storage automatically cleared up?
App containers include a folder called Caches. This folder can be emptied by iOS when storage becomes low.
iOS chooses apps which you use rarely and apps which have large quantities of cache stored ...
grg♦
- 206k
13
votes
Accepted
WhatsApp using huge space on my Mac SSD
If you don’t already, I want to suggest in the strongest terms possible that you have a Time Machine backup of your data. A portable 1TB hard drive is not expensive and you can plug it in and Time ...
13
votes
Accepted
Reduce the storage space taken up by "System" on my iPhone 6s without restoring and setting up iPhone as new
No need to backup or restore anything !
I just spent some time with a good Apple Care advisors : this problem is caused by iCloud Drive. If you deactivate it, no more problem. It worked for me.
13
votes
Why the storage of Documents showing wrong in mac?
I was searching for this question. why the summary tell different size with the "actual size calculation"
then I realize, maybe there something like some hidden folder in the calculation.
with this ...
12
votes
Accepted
macOS Sierra "System" files eating up disk space
The Solution
I used a storage scanning application to see where all the space was going. I used DaisyDisk, but Disk Inventory X is another option
Turns out ImageMagick image editing library was ...
12
votes
Is there there an iOS equivalent of Android's "Delete app storage"?
Not really - On iOS, deleting the app only deletes the data in its sandbox. If the developer doesn’t offer this toggle in the settings app (or you don’t trust the developer to actually wipe the data) ...
12
votes
Can I delete the .Spotlight-V100 file
On OSX recent versions .Spotlight-V100 is xattr protected, meaning rm commands are inoperant, whatever privileges you own. This explains the "Operation not permitted" mentioned in the above ...
12
votes
Accepted
How do you monitor free disk space?
The system settings app has a graphical storage summary that’s what you need to look at first.
Choose Apple menu > System Settings, click General in the sidebar, then click Storage on the right.
...
10
votes
Accepted
Where does Ulysses store its local content?
It’s really up to each program to decide if it stores in the home folder / documents and lets users manage things or if it makes a database in plain view (like Photos or iTunes) with aspects of the ...
10
votes
How to claim free disk space in APFS after deletion of huge amount of files?
Okay, I can answer by myself.
In further investigation I came across the hidden space called local snapshot space that is caused by local time machine snapshots and tried to purge them for giving ...
9
votes
Why the storage of Documents showing wrong in mac?
The System Information view is misleading by naming it "Documents"
Under the category "Documents" it will trow everything in in that is not in the other sidebar listed categories.
For example in my ...
9
votes
My PC has over 200 GB of free storage but iTunes won't back up my iPhone with 64 GB
Here's a fun corollary to Kelly's answer:
The error can also appear if YOUR iOS DEVICE doesn't have enough free space.
Yes, the error's wording is completely wrong in this case. It says it's your ...
8
votes
Is "flash storage" the same "SSD"?
Credit for this answer goes to https://danielmiessler.com
Short Answer
Let's clear up the definitions:
Solid State Drive = a hard drive that has no moving parts
Flash memory = a method of permanently ...
8
votes
Accepted
Why does `df` use "Bi" as abbreviation for bytes?
It's the difference between the decimal value and the binary prefix.
In this case, it's saying you are using 0 binary bytes.
What's the difference?
Using "Giga" as our example, it means 10003 of ...
8
votes
How is iPhone Storage automatically cleared up?
Is your iCloud Photo Library on? If so, then iCloud could be backing up your photos for you and removing the copies of the older photos that are backed up, from the phone.
You can check that by ...
8
votes
Is my Mac 256 GB or 512 GB according to diskutil and “About this Mac” images posted below?
That system has 256 GB of storage.
According to both of those screenshots you do not have 512 GB storage on that Mac. There is only 256 GB of storage.
The easiest way to see this is via the “About ...
8
votes
Accepted
M1 MacBook Air Base Model - How Much SSD Free Space exists on my 256 storage Mac?
Calculation of free space on APFS is apparently not so easy (see https://eclecticlight.co/2023/04/12/when-the-finders-error-exceeds-50/ for details).
Over those years, the Finder has repeatedly shown ...
7
votes
"System" storage on macOS Sierra is 470GB!
Your system may need to reindex the file system to correctly show disk usage amounts. Indexing is handled by Spotlight. Using system preferences>spotlight, add your drive to the list of folders not ...
7
votes
Accepted
Do I have an HDD or an SSD in my MacBook?
All retina Macbook Pros have PCIe SSDs. Previous MBPs (2012 + earlier) shipped with HDDs.
To find this out, find your model information by going to Apple (top left corner of the screen) -> About this ...
7
votes
How is iPhone Storage automatically cleared up?
While application Caches are indeed part of the cleanup process, an increase in free space this large is typically the OS deleting a pre-downloaded newer iOS update. In your case, this would be iOS ...
7
votes
Accepted
My PC has over 200 GB of free storage but iTunes won't back up my iPhone with 64 GB
Usually when I see this issue, it's one of the following:
The iTunes backup folder is missing, damaged, or has incorrect permissions.
The iTunes backup folder was previously redirected to an external ...
7
votes
127 million bytes but 204MB on disk?
If all the files are below the allocation block size of the disk by a lot, then that could make perfect sense.
27,254 items all below an allocation block size of 8,192 bytes would lead to an "on ...
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