the amount of space on a computer storage device, such as a hard disk, SSD, or USB flash drive

learn more… | top users | synonyms (1)

53
votes
11answers
59k views

How can I figure out what's slowly eating my HD space?

Every few days I get notices on my MacBook that it's running or run out of hard drive space. Curiously, restarting the computer will enable me to recover gigabytes of space (this past time, it was ...
27
votes
12answers
2k views

How can I free up some disk space?

I'm about to run out of disk space, and I know I have a lot of junk on my macbook but I don't know how to find it to figure out how to delete it. Is there an easy command line way through terminal to ...
14
votes
6answers
26k views

Gigabytes of disk space shown as hidden space in DaisyDisk

My disk space usage doesn't add up. I should have used only about 80 gigabytes, but according to DaisyDisk about 25 gigabytes is taken up by hidden space. The mystery disk space seems to be classified ...
16
votes
4answers
31k views

Reducing Lion OS Footprint by removing unnecessary files/folders

I am trying to downsize my iMac 640Gb disk to make it fit onto a 120Gb (113Gb usable) SSD. The total size of use files is currently approximately 340Gb, of which my home folder accounts for 265Gb (...
34
votes
8answers
210k views

How can I clean up 'Other' storage on iPhone 3G?

My iPhone 3G is currently showing 3.1GB of 'Other' disk space in iTunes, and this amount seems to be growing by about 0.1GB every couple of days. I can't find any good references for what this space ...
3
votes
1answer
2k views

Large difference in reported free disk space

I have a strange discrepancy in the amount of free disk space that's being reported. The finder says: My iStat Menus says: Which is the same as df -h reports: remco@Prosperpine ~ $ df -h ...
13
votes
5answers
22k views

Disk space not freed up after delete

I had approx 50Gb of Windows VMs on my MacBook Pro internal SSD (128Gb) (OS X 10.7.3). I copied them to an external drive, then deleted them from the internal drive, then emptied the trash. When I ...
11
votes
8answers
124k views

Remove unnecessary backups from TimeMachine to get space

I know that oldest backups are removed automatically when there is no space for new ones on TimeMachine. I use TimeCapsule also for sharing files on WiFi, so I’d like to free some space by removing of ...
4
votes
4answers
15k views

How to check what applications are using the most disk space?

I have 380GB left on my SSD and was wondering how much space my applications are using. Is there a way to check this?
8
votes
10answers
4k views

How do I find how much disk space a program is occupying?

How do I find out how much disk space a program such as Skype occupies? My SSD is getting full, and I want to see what can be deleted.
8
votes
4answers
14k views

9GB com.apple.coresymbolicationd file in Caches

I'm trying to free up disk space, and I came across this: I've read reports of a 600M file, or a 1GB file but never something like this. Is it safe to delete or does rebooting frequently help ...
2
votes
4answers
75k views

MacBook Air: What taking up all my hard drive space [duplicate]

I have a 128gb MacBook Air running Lion. I am constantly having issues with disc space, but have no idea what is consuming it all. When I look at the disc utility break down, it says about 80% of the ...
3
votes
1answer
550 views

Prevent automatic removal of the Spotlight index due to low disk space

I am guessing that when disk space runs low, it automatically deletes the Spotlight index to make room for virtual memory. Then when space becomes available it reindexes. But I'm not sure about that. ...
40
votes
2answers
147k views

What is Mobile Sync - Backup and why is it taking so much space?

I was checking my directory and found out that the Folder Backup in Library > Application Support > Mobile Sync > Backup, is taking 13GB of my Harddisk ... What is this and why is taking so much space ...
6
votes
5answers
46k views

What is filling up my hard drive so fast?

Last night (Because my hard drive was almost full) I freed about 4GB. Then I came back to my Macbook about 3hrs later (I left it idle) and Its was full again. Is something is eating my mac? If I go ...
5
votes
2answers
3k views

Why is it important to keep lots of freespace on OSX? What is the impact?

I have a 500GB drive and have less than 50 GB free. Console is reporting several interesting errors saying I'm too low on space and it's cleaning up "stuff" 1/6/13 4:49:51.475 PM com.apple.mtmd[...
5
votes
1answer
23k views

Why does Messages app take up so much space?

I was recently inspecting the Usage tab in my iPhone's settings. The Messages app is #2 on the list with almost 700 MB. Anecdotal reports have it that the app can take up multiple GB of space. So what ...
5
votes
2answers
7k views

How do I tell iTunes not to back up apps?

I found that the apps I have stored in iTunes take up more than 10GB of space on my computer. Since I have a 128GB SSD I'd like to tell iTunes not to backup apps. I can download them again for free, ...
5
votes
1answer
834 views

What's the easiest way to free up disk space on my iMac with a huge photo library?

This is a hybrid hardware/software question with a few more factors than the typical "freeing disk space" question. I have an older iMac with (I think) about a 250 GB hard drive. It's been running ...
2
votes
2answers
4k views

Apple Hardware Disk Utility Unallocated Space on my Hard Drive

While trying to get Boot Camp set up on my MacBook Pro 15 inch Retina 2015 it asked me to partition my hard drive. Doing so I partitioned my 1 TB hard drive so that it dedicated 750 gb to mac and 250 ...
9
votes
4answers
4k views

Why do I get different Available/Used spaces with Disk Info and df?

I have an early '13 MBP running Mavericks. Today, I got a SSD external drive today, and moved my virtual machines and Lightroom catalog files over to it to free up disk space, since 256GB goes fast. ...
6
votes
2answers
15k views

How do I quickly find large files and folders on my mac?

I need to free up space on my Mac and know there are a ton of hidden files that are eating up space (Logic for example downloads a lot of instruments... somewhere). Is there any way I can create an ...
5
votes
3answers
6k views

Why do I have 8.3 GB mail on my hard drive even when using gmail?

I am short of space on my 128 GB SSD so I've been using Grand Inspector to see what has been using up all this space. I found that in Library/mail/v2 there is 8.2 GB of email. What is this and how ...
5
votes
2answers
2k views

How to empty MobileBackups.trash content

I noticed that OSX reports a wrong disk space amount, reporting that "Other" space is near to 170Gb. Digging into the issue here "Huge inconsistency in disk space measurement, missing 50% of the disk"...
5
votes
2answers
2k views

Disk space disappears to 0, then after a while I have free space

I've been having this problem for quite a while and it happens occasionally and when it does it get very frustrating and I'm just trying to pin point what is causing it. When it happens, the disk ...
4
votes
2answers
1k views

JDiskReport is damaged, can't be opened

I have tried downloading and running JDiskReport 1.4 a few times now, and after unzipping it and clicking on the executable I get the message: "JDiskReport" is damaged and can't be opened. You ...
3
votes
2answers
9k views

Deleting files doesn't free up space [duplicate]

I moved away (to an external drive) about 30 GB of files from a drive (startup disk) that had 60 GB of free space. After the move it still shows only 60 GB of free space, not 90, as I would expect. ...
3
votes
1answer
7k views

iOS 7 upgrade - how much space will I get back?

I've got an iPhone 5 running iOS6 and I'm considering upgrading to 7.0.6. I see I need 3.9 GB to run the update and I'm pretty sure I'm going to get some of that back, but don't know how much. How ...
2
votes
2answers
1k views

How can I safely eliminate duplicate apps from my iPhone?

I have just had my iPhone replaced under warranty, and when restoring it from backup much of my preexisting free space vanished. What I've found, after some shell hacking, is that I appear to have ...
2
votes
2answers
2k views

Huge inconsistency in disk space measurement, missing 50% of the disk

I own a MacBook Pro 13 Retina, OSX reports disk usage as 450Gb, but utilities such as DiskInventoryX tells a different story reporting 226Gb as used disk space: How can I convince OSX to give me ...
2
votes
1answer
290 views

FileVault sparsefile uses double of actual allocated disk space

I just noticed that for some reason disk usage (du) reports that FileVault in my home directory would use its allocated disk space twice: [/Users]% sudo du -h -d 1 . 184G ./.moo 170G ./moo 204K ...
1
vote
1answer
634 views

Mysterious hard disk space vanishing?

I'm running Snow Leopard on a Late 2009 unibody MacBook. At the moment I was trying to do some late spring cleaning, and clearing up some HDD space. Now here's the weird part: My User's folder shows ...
1
vote
2answers
496 views

Why Mac OS X requires any amount of free disk space?

I understand the OS needs some free disk space for running. So does windows or any *nix. But OS X is regarded as a very polished system and my question here is more like, shouldn't it already reserve ...
1
vote
1answer
364 views

Finder not showing correct free space?

I have a software called Daisy Disk and it says I only have 70 GB left in my drive. However in Finder I see 131 GB available. How is this 60 GB difference possible?
0
votes
2answers
384 views

Over 25 gb of Space Disappeared

Here's my problem: over the past couple days I did a really good clean out of my computer and managed to free up several gigabytes of data and was hovering around 233+ gb of free space. Then in the ...
0
votes
1answer
308 views

I have deleted a bunch of music from iTunes on my Macbook Pro, but am not gaining any free space

I am trying to clear off a lot of extra space on my hard drive. I started with about 90 gigs of music today when I had about 45 gigs of space left available. I just deleted almost 40 gigs worth of ...
0
votes
1answer
77 views

Finder and About this mac shows different free space sizes?

Which one shows the correct value and how can I make room for ghost application allocated space?