How do I clear memory on my startup disc

I need to update some of my software, but I keep geting a message that there is not enough space on my start up disc, which is my hard drive. How do I free up space?

Visit The XLab FAQs and read the FAQ on freeing up hard drive space.

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How do I clear space on my Startup disc so I can install Yosemite on my Air 11?

How do I clear space on my Startup disc so I can install Yosemite on my Air 11?

For information about the Other category in the Storage display, see this support article. If the Storage display seems to be inaccurate, try rebuilding the Spotlight index.
Empty the Trash if you haven't already done so. If you use iPhoto, empty its internal Trash first:
iPhoto ▹ Empty Trash
Do the same in other applications, such as Aperture, that have an internal Trash feature. Then restart the computer. That will temporarily free up some space.
According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation—not the mythical 10%, 15%, or any other percentage. You also need enough space left over to allow for growth of the data. There is little or no performance advantage to having more available space than the minimum Apple recommends. Available storage space that you'll never use is wasted space.
When Time Machine backs up a portable Mac, some of the free space will be used to make local snapshots, which are backup copies of recently deleted files. The space occupied by local snapshots is reported as available by the Finder, and should be considered as such. In the Storage display of System Information, local snapshots are shown as Backups. The snapshots are automatically deleted when they expire or when free space falls below a certain level. You ordinarily don't need to, and should not, delete local snapshots yourself. If you followed bad advice to disable local snapshots by running a shell command, you may have ended up with a lot of data in the Other category. Ask for instructions in that case.
See this support article for some simple ways to free up storage space.
You can more effectively use a tool such as OmniDiskSweeper (ODS) or GrandPerspective (GP) to explore the volume and find out what's taking up the space. You can also delete files with it, but don't do that unless you're sure that you know what you're deleting and that all data is safely backed up. That means you have multiple backups, not just one. Note that ODS only works with OS X 10.8 or later. If you're running an older OS version, use GP.
Deleting files inside a photo or iTunes library will corrupt the library. Changes to such a library must be made from within the application that created it. The same goes for Mail files.
Proceed further only if the problem isn't solved by the above steps.
ODS or GP can't see the whole filesystem when you run it just by double-clicking; it only sees files that you have permission to read. To see everything, you have to run it as root.
Back up all data now.
If you have more than one user account, make sure you're logged in as an administrator. The administrator account is the one that was created automatically when you first set up the computer.
Install the app you downloaded in the Applications folder as usual. Quit it if it's running.
Triple-click anywhere in the corresponding line of text below on this page to select it, then copy the selected text to the Clipboard by pressing the key combination command-C:
sudo /Applications/OmniDiskSweeper.app/Contents/MacOS/OmniDiskSweeper
sudo /Applications/GrandPerspective.app/Contents/MacOS/GrandPerspective
Launch the built-in Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad and start typing the name.
Paste into the Terminal window by pressing command-V. You'll be prompted for your login password, which won't be displayed when you type it. Type carefully and then press return. You may get a one-time warning to be careful. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator. Ignore any other messages that appear in the Terminal window.
The application window will open, eventually showing all files in all folders, sorted by size. It may take a few minutes for the app to finish scanning.
I don't recommend that you make a habit of doing this. Don't delete anything as root. If something needs to be deleted, make sure you know what it is and how it got there, and then delete it by other, safer, means. When in doubt, leave it alone or ask for guidance.
When you're done with the app, quit it and also quit Terminal.

HT201364 How can I reduce space on the startup disc to enable the download of Mavericks?

How can I reduce space on the startup disc to enable the download of Mavericks? I have enough overall disc space but the update won't download and tells me to reduce "startup" disc space.

I have enough overall disc space but the update won't download and tells me to reduce "startup" disc space.
How much free space do you have?
This warning usually indicates, that your free disk space is critically low.
Empty you Trash, delete files that you do not need at all, and move large media files, like iPhoto libraries or videos to an external drive.

How do I delete items from my startup disc?

How do I delete items from my startup disc? I keep getting a message saying my startup disc is full

That is your internal hard drive...look at your content in places like pictures, documents and other folders where you keep things. Get an external hard drive and move videos, music, photos to the external and then delete by dragging to the trash, empty the trash and then restart the MacBook Pro.

How do i save space on my startup disc?

how do i save space on my startup disc?

By limiting what you install on it. A useful tool is OmniDiskSweeper, downloaded from the Internet (free), which will show all of your files and the respective sizes. You may use this to select what files you wish to prune from your internal drive.
Ciao.

How do i clear space on my startup disk

I am frequently getting error messages that my startup disk is full - how do I clear space so my system can run better?

A good tool to help with cleaning up a disk is OmniDiskweeper. It will tell you the files and folders that are taking up the most space.
The best candidate to pick are you own files generally located in Home.
Be very careful with system files because moving or deleting them can cause your system to stop running, If in doubt ask here about the files.
Allan

How do I delete files on the startup disc on a macbook pro

How do i delete files on the startup dics to make room to download itunes and such on my macbook pro

Move items you don't need on it, such as the iTunes and iPhoto libraries, to another drive, verify they work in the new location, and then delete them from the internal drive. If you don't need something at all, drag it to the Trash and empty it.
(92026)

Help! How do I clear memory in the device?

My Ipad is synced, bought more cloud memory but the memory in the device is still full and I can figure out how to delete what is already backed up in the cloud.
Thank you in advance for your help.

Welcome to the Apple Community.
Purchasing iCloud storage won't add starage to your iPad.
You can see what is on your iPad and delete any unwanted content at settings > iCloud >General > Usage.

HT3680 how do i clear space on my startup disk?

I've erased tons of pictures and programs from my mac and when i go to software update it still keeps telling me i can't update because my startup disk is full

Visit The XLab FAQs and read the FAQ on freeing up space on your hard drive. Also see Freeing space on your Mac OS X startup disk. However, the best alternative is to put in a larger hard drive.
Note that dragging files to the Trash does not remove them. You then have to Empty the Trash to free up the space.

How do i free up memory from my startup disc

I keep getting the message that my start up disc is full - system will not me delete any files etc

See this FAQ on freeing disk space: http://www.thexlab.com/faqs/freeingspace.html

Losing memory in startup disc when loading pics. in iPhoto

Yesterday was loading images from my camera to iPhoto when a notice came up that I had no more memory in my startup disc.
Don't understand, the iPhoto program is not on the startup disc, PhotoShop is though
Why does loading images to iPhoto use up the remaining memory on the startup disc? and how can I correct this as I load in hundreds of pictures
Is there a capacity for iPhoto? Right now I have 3700 images, mostly in RAW format?
Do I need to burn DVD's of the images in the library then remove them, to open up space?

Rickbbq:
As Keith mentioned the library folder will be on your boot drive in the Pictures folder.
You should know that it's best to keep the applications on the boot drive in the Applications folder so that when updates come along the updater will know were for find it. You can move the library to the external drive as already mentioned but it's best to keep the applications where they were installed originally.
Do you Twango?
TIP: For insurance against the iPhoto database corruption that many users have experienced I recommend making a backup copy of the Library6.iPhoto database file and keep it current. If problems crop up where iPhoto suddenly can't see any photos or thinks there are no photos in the library, replacing the working Library6.iPhoto file with the backup will often get the library back. By keeping it current I mean backup after each import and/or any serious editing or work on books, slideshows, calendars, cards, etc. That insures that if a problem pops up and you do need to replace the database file, you'll retain all those efforts. It doesn't take long to make the backup and it's good insurance.
I've written an Automator workflow application (requires Tiger), iPhoto dB File Backup, that will copy the selected Library6.iPhoto file from your iPhoto Library folder to the Pictures folder, replacing any previous version of it. You can download it at Toad's Cellar. Be sure to read the Read Me pdf file.

Itunes onto backup drive/ bypassing startup disc

Wasn't sure where to post this, hope someone can help.
I have successfully put my ipod library into a folder on my desktop so I can move it to my backup drive rather than take up all that room on my startup disc. However, when I go to copy it onto the backup, I can see the available memory on my startup disc decrease as the folder is copied onto both. Is there a way to bypass the startup disc and just copy to the backup?

Select the hard disk in the Finder and choose Get Info from the File menu; the disk's format will be listed under General. If it is in FAT32, MS-DOS, or Mac OS Standard format, you will need to erase the disk in either HFS+ or UFS before you can use it to boot Mac OS X. To check which Power Mac G4 model you are using, look at the tables and pictures in this article. It is not possible to copy a Mac OS X installation to another partition by dragging it in the Finder, as invisible files and other necessary data won't be copied.
(10653)

HT1338 My Macbook Pro 13" says that I have no more memory in my startup disk. I've tried clearing files and folders and deleting applications but it still says that I have low memory. How do I fix it?

My MacBook Pro 13" says that I have no more memory in my startup disk. I have tried deleting applications, files, folders, and it still says I have low memory. What is taking up all that space?

First -- do the target disk backup. Somehow get a backup.
You might try booting to Single user mode: http://support.apple.com/kb/ht1492 and removing the files in the command line. When you put files in the trash, the space is still used up until the trash is emptied.
using rm command removes it totally. Just be very careful because you remove the wrong file, and you have to relad the system

How to set kernel parameter max-shm-memory automatically at startup

Hi,
We have a 11.1.0.7 Database on Solaris Sparc 10 64-bit server. We have settings of max-shm-memory as below;
-bash-3.00# prctl -n project.max-shm-memory -i project default
project: 3: default
NAME    PRIVILEGE       VALUE    FLAG   ACTION                       RECIPIENT
project.max-shm-memory
        privileged      50.0GB      -   deny                                 -
        system          16.0EB    max   deny                                 -
-bash-3.00# prctl -n project.max-shm-memory -i project system
project: 0: system
NAME    PRIVILEGE       VALUE    FLAG   ACTION                       RECIPIENT
project.max-shm-memory
        privileged      50.0GB      -   deny                                 -
        system          16.0EB    max   deny                                 -
Whenever we restart the db the second one is lost;
bash-3.00$ prctl -n project.max-shm-memory -i project default
project: 3: default
NAME    PRIVILEGE       VALUE    FLAG   ACTION                       RECIPIENT
project.max-shm-memory
        privileged      50.0GB      -   deny                                 -
        system          16.0EB    max   deny                                 -
bash-3.00$ prctl -n project.max-shm-memory -i project system
prctl: system: No controllable process found in task, project, or zone.
So our sys admin has to configure them again whenever we restart our db. How could I do this automatically at startup without counfiguring again from command prompt?
Thanks,
Hatice

Ok it is clear now. I have one more question. When I check system I get below error;
# prctl -n project.max-shm-memory -i project system
prctl: system: No controllable process found in task, project, or zone.
Document says; The reason for the message reported above is because there is no active process(es) belong to the project.
But it is impossible for us because according to our project settings its for root user;
bash-3.00$ cat /etc/project
system:0::root::project.max-shm-memory=(priv,53687091200,deny)
user.root:1::::
noproject:2::::
default:3::oracle::project.max-shm-memory=(priv,53687091200,deny)
group.staff:10::::
oracle:100::::project.max-shm-memory=(priv,53687091200,deny)
Is it because I check with oracle user and I don't have sufficient privileges or there is something wrong with it?
Thanks.

I deleted all my photos and videos and then delete the deleted files but the photo app is still taking up 12 GB of space and I have no room for new stuff. How can I clear the memory space used by my deleted videos and photos?

I deleted all my photos and videos and then delete the deleted files but the photo app is still taking up 12 GB of space and I have no room for new stuff. How can I clear the memory space used by my deleted videos and photos? I don't know why the photos are still taking up space and if I will have to reset my phone to get rid of the problem.

Hey there TowneJ,
Welcome to Apple Support Communities.
The article linked below provides troubleshooting tips that’ll likely resolve the issue that you’ve described, where deleted files appear to be taking up space on your iPhone 5.
If you get a "Not enough free space" alert on your iPhone, iPad, or iPod touch - Apple Support
So long,
-Jason

How do I clear memory on my startup disc

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