46
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 ...
- 15k
44
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
...
- 918
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 ...
- 831
25
votes
Can there be two separate Time Machine Backups on the same external drive?
You can use an external hard disk formatted with HFS+ as a Time Machine target for several Macs without problems. Time Machine itself will make sure that the data is not getting mixed up by using the ...
- 97.9k
20
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 ...
- 201
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 ...
- 241
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.
- 113k
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♦
- 199k
16
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 ...
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♦
- 199k
14
votes
Why does 128GB iPhone have 113GB capacity?
The other 6 GB are OS itself. The given capacity is a value for the physical storage that the phone has, not the amount that can be used by the owner. iOS is about 6 GB in size on its own.
Also, the ...
- 525
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 ...
- 64.3k
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.
- 246
12
votes
Accepted
Can there be two separate Time Machine Backups on the same external drive?
If you make two different partitions in the external HD, you can easily have the two different Time Machine backup in the each partition.
You only need to specify the partition to use for the ...
- 2,219
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 ...
- 311
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) ...
- 232k
10
votes
Accepted
Delete cached (offline) email on hard drive in Mail program (El Capitan)
You can find Mail's cached mails in
~/Library/Mail
To see how much space this folder is using, either use Finder's Get Info or
du -hs ~/Library/Mail
To remove the folder and all its contents, ...
- 3,741
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 ...
- 116
9
votes
Display S.M.A.R.T. statistics for an SSD?
Getting the SMART status is possible with these disks but not if they are attached to USB. The necessary ATA commands usually aren't propagated through the USB-controller.
You can try to get that ...
- 66.1k
9
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 ...
- 191
8
votes
My storage was not updated
Your iCloud storage is how much data you can keep online, in the cloud.
This is variable, depending on how much you pay, for what you need. Your first 5GB is free.
The iPhone itself has a fixed ...
- 113k
8
votes
Accepted
What happens to my data if I cancel my iCloud Storage subscription?
According to this Apple iCloud Support page:
If you downgrade your storage plan and your content exceeds the storage you have available, new photos and videos won't upload to iCloud Photo Library and ...
- 22.7k
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 ...
- 98.7k
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 ...
- 4,140
8
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 ...
- 47.1k
8
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 ...
- 1,221
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 ...
- 97.9k
7
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 ...
- 629
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 ...
- 3,499
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 ...
- 171
Only top scored, non community-wiki answers of a minimum length are eligible