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macos – How can I work out what’s slowly consuming my drive area?


I’ve had a very comparable challenge, and so I made a decision to compile a number of strategies for fixing it. So, following, there are these choices and a few of them I received from the solutions already offered right here. I perceive this can be a little bit offtopic from the query, nevertheless it’s in tune with the solutions. This has many elements and people are all softwares I might strive myself by some means.

It is usually a good suggestion to pay shut consideration for utilizing the sudo choices beneath so the software program can have entry to each file, which can possible embrace some massive hidden ones.


Here is a short record of apps for checking the disk utilization:

  • GrandPerspective is just graphical, utilizing the Treemap, it might measure information by logical or bodily strategies earlier than scanning, present/disguise package deal contents and alter colour scheme on the fly. It additionally is ready to save the scanned knowledge for archiving or evaluating a number of home windows.

  • Disk Stock X additionally makes use of the Treemap graphical scheme however alongside facet an inventory view of folders and information. The grahpics is not pretty much as good as GrandPerspective neither the record pretty much as good as OmniDiskSweeper, nevertheless it does job mixing each. It has a Finder plugin and probably the most choices between the three on preferences. It is probably the most complicated, however not all full.

  • OmniDiskSweeper is non-graphical and similar to Finder’s column view. You select the folder or disk to analyse, it can organize them by disk utilization after taking its time to calculate. You possibly can then simply delete (transfer to trash) something listed.

So every one has its benefits and highlights, I am nonetheless unsure if there’s one which comes on prime. They’re all free.


There may be additionally a distinct method, of apps for scanning particular anticipated locations and information for area utilization in non-optimal methods. They principally collect some recognized issues concerning the system that may be bloating your disk multi functional good interface so you may see and resolve what to delete.

  • CleanMyMac lists caches, logs, language information, common binaries, growth “junk”, extensions and functions. It scans by means of the information and likewise makes use of some information base it has. Nice interface, easy to make use of. CleanMyMac has a free trial which can solely clear as much as 500 MB.

  • XSlimmer could be very particular. It take away “pointless” code from “fats” binaries and Strip out unneeded languages, because it says on the web site. Common Binaries, that’s, use numerous area for storing information to run in a number of totally different architectures and languages. So, this strips all of them to shrink to solely your pc wants. XSlimmer is at present discontinued.


One other method is searching for duplicate information. There are a lot of business choices, some could also be higher than the listed beneath, I have never tried all of them. Anyway, I am itemizing my alternative of apps contemplating which of them I used to be capable of strive.

  • TidyUp is a really well-known app on this topic. You possibly can specify the place to scan for what sort of duplicates. It gives primary and superior modes, a number of totally different methods and criterias.

  • MrClean is a free software that simply scans for folders for duplicates and trash them. Very simplistic however environment friendly for those who’re certain on what you are doing.

  • Chipmunk scans duplicates and allow you to select which of them you wish to trash. It gives a node-view of folders and you’ll choose to “delete all information in a folder which have duplicates elsewhere, or vice versa” in addition to hand-picking. It might take very lengthy to scan all information, nevertheless it does a really first rate job after that.

  • DupeCheckdrop a file on it and it’ll use your Highlight index to see you probably have a possible duplicate someplace.” That is about this good open supply app. Not a terrific software for area cleansing without delay, however over time it helps you retain your area clear.

  • DuplicateFileSearcher from the web site: “is a free highly effective software program utility that can enable you to to search out and delete duplicate information in your pc. It may also be used to calculate MD5 and SHA hashes. The software program runs in Home windows, Linux, Solaris and MacOS.“. Sufficient stated.


Subsequent I will briefly focus on on the same method by quoting related elements about two different issues that may be achieved to search for lacking disk area, with out putting in something new, simply utilizing the command line (the Terminal).

This (lengthy however good) one is from MacFixIt boards (go there for extra choices and particulars):

Generally, there actually are information occupying a part of the quantity, however the information are invisible in regular use of the Finder.

Utilizing the Finder’s Go to Folder function (within the Go menu), take a look at the sizes of the contents of those folders, by pasting in these pathnames:

/non-public/var/vm 
/non-public/var/log 
/Volumes 

The /non-public/var/vm listing incorporates the swapfiles utilized by digital reminiscence. New ones are made as extra knowledge is swapped from RAM to the exhausting drive. The complete course of of making them begins at every reboot or restart; don’t try and take away them your self. Examine the entire measurement of all of the swapfiles, proper after you boot, and because the disk fills up. In Panther, the primary two swapfiles are 64 MB, then every new one is twice the dimensions of the preceeding one (128 MB, 256 MB, 512 MB, 1 GB) as much as a most measurement of 1 GB. In Tiger, the primary two swapfiles are 64 MB, the subsequent one is 128 MB, and any extra swapfiles are 256 MB.

If you don’t run the each day, weekly, and month-to-month upkeep scripts (both through the use of a utility, or by operating the instructions sudo periodic each day, sudo periodic weekly, and sudo periodic month-to-month in Terminal), the logs on the startup quantity can turn out to be too giant. If an error is going on steadily and is being logged, you may have a really giant file at /non-public/var/log/system.log.

The information in /Volumes needs to be aliases to your mounted volumes. Don’t take away these aliases, as a result of something you do to them occurs to the contents of the corresponding volumes. In case you are not assured which you could discover this folder with out mishap, earlier than you start, correctly unmount any quantity apart from the startup quantity, if the lacking disk area drawback impacts solely that quantity. Exterior FireWire drives might be disconnected after correct unmounting.

Generally, backup applications that can’t discover an meant vacation spot (or goal) quantity for a backup create a folder with the identical identify because the vacation spot, and put the folder into the /Volumes listing. There are instances through which your entire startup quantity has been backed up on itself, in a folder inside /Volumes. If the quantity of lacking area is concerning the measurement of your person folder, such a backup is prone to be the reason. If you happen to use Carbon Copy Cloner or one other backup or cloning utility and have its preferences configured to create a backup on a schedule, and the meant vacation spot quantity will not be mounted or is sleeping on the scheduled time, the backup is created within the /Volumes listing.

To verify the dimensions of the usually invisible /Volumes listing on the energetic startup quantity, open a brand new Finder window. Choose the startup quantity within the record on the left, then select column view (the one on the proper of the three views). From the Finder’s Go menu, select Go to Folder, and paste in:

/Volumes 

The /Volumes listing turns into seen within the Finder; discover its measurement by deciding on it and typing Command I. My /Volumes listing is reported to be 12K.

This different one is from Mac OS X Hints boards (not far more to see there):

Chances are you’ll wish to run a du in terminal to see what’s all occurring. This might take a couple of minutes to run.

An instance could be to open up terminal.app then run these instructions:

sudo du -h -d 1 -c /

Enter your password when it prompts for it then let it go, it can take a couple of minutes to run so be paitent.

du stands for Disk Utilization. There’s additionally df. I like together with the -x to the above command, and kind;

sudo du -cxhd 1 / | kind -h

Including to the command line choice, you can use an automator service for opening any app. With this you’ll get totally different (and extra full) outcomes on GUI.

Or, for those who’re on a Energy PC, utilizing Rosetta or something earlier than Snow Leopard, you may combine any of the earlier than talked about apps with Pseudo. It is somewhat app to open issues as admin. Image it like a GUI for sudo.


Lastly, there is a full beginner information on “The X Lab” that I simply will not quote right here for it is too lengthy.

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