Avoid installing third party so called Mac cleaning utilities such as MacKeeper and Clean My Mac. They often do more harm than good. Not enough free space on the startup disk can slow the system down. Right or control click the MacintoshHD icon. In the Get Info window you will see Capacity and Available. If you are backing up your Mac over a network (be it wired or wireless), you'll find the Backups.backupdb folder inside a container called a 'sparse bundle disk image'. While it works just as well as the local backup version, an extra step is needed to actually recoup the space gained by deleting earlier backups due to its format.
One of the things you'll love about your Mac – especially if you have recently switched from Windows – is Time Machine, the built-in backup feature. To use it you'll need an external storage solution such as an external hard drive (or SSD) connected via the USB, Thunderbolt or FireWire port on your Mac, the Time Capsule or macOS server on your network, or the external hard drive connected to the AirPort Extreme base stations on your network. It is recommended that you back up before every major action, but as you start using the feature you'll see that you don't really need to back up your Mac on a daily basis. But that, of course, varies by user.
Understanding Mac's Time Machine
Time Machine has its own scripts for housekeeping, but sometimes (such as when you see the 'Time Machine could not complete the backup' error message) you may need to intervene to clean up space on your Time Machine drive. Space can always be saved on your backup if you delete junk, cache and temporary files before you back up the computer. That's particularly true if you haven't set up any exceptions in Time Machine preferences, and everything is saved, even applications.
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Since every external storage device has its own physical limits, if you are going to keep that drive in the long run then it's good to optimize your backups so that they occupy less space. For that it is possible to compress Time Machine backups, but before you start deleting and compressing backups you need to understand how Time Machine works.
Time Machine uses File System Event Store, a hidden log macOS keeps of changes made to the data on each HFS+ formatted drive or partition. But this won't list every file that has changed; instead, it will list the directories affected. Time Machine uses this log to find out what's changed and what needs to be backed up.
When Time Machine does the first backup, it copies everything (except trash and system work files) and creates a dated backup folder (year-month-day-hhmmss) in the Backups.backupdb folder, placing hard links in it to all the backup copies it has just made. Another dated backup folder is then created with the second backup, and this repeats each time. There is a trick, however: the second backup folder contains hard links to the items that remained unchanged.
Compressing Time Machine Backups
There are notable differences between the normal (or local) Backups.backupdb folder and a backup made over a network. Local backups are stored in a single Backups.backupdb folder at the top level of the external hard drive.
If you are backing up your Mac over a network (be it wired or wireless), you'll find the Backups.backupdb folder inside a container called a 'sparse bundle disk image'. While it works just as well as the local backup version, an extra step is needed to actually recoup the space gained by deleting earlier backups due to its format. Unlike a normal folder or disk image, when you delete a file in a sparse bundle, it won't change the container size. To recoup the space, run the following command in Terminal (replacing the ‘Yourbackup' entry with the necessary backup name):
% sudo su - root
% hdiutil compact /Volumes/TimeMachine/YourBackup.sparsebundle
What you'll then see is:
Starting to compact…
Reclaiming free space…
……………………………………………
Finishing compaction…
Reclaimed X.X GB out of XXX.X GB possible.
Removing Old Time Machine Backups
Old backups can be removed in many ways, but here is the simplest.
- Enter Time Machine.
- Navigate to the backup you want to remove.
- Right-click on the backup in the Finder window of Time Machine, and select Delete Backup.
Time Machine will prompt for the admin password and then delete the required file.
That's a bit clumsy if you want to delete multiple backups, so here's a Terminal command for this, which is very useful when deleting old backups:
tmutil delete /TimeMachine/Drive/Path/To/OldBackup/
Or, if you want to remove a backup from a specific date:
tmutil delete /Volumes/BackupDriveName/Backups.backupdb/MacComputerName/YYYY-MM-DD-HHMMSS/
Deleting Old Time Machine Backups Automatically
If you don't mind speaking with your Mac via Terminal commands, then it's even possible to automate the removal of old Time Machine backups by running the following batch script. Note that this will find the oldest and newest backups and display a prompt to delete the oldest, which then requires you to enter 'Y' and the admin password to finish.
COMPUTER_NAME=$(/usr/sbin/scutil --get ComputerName)
NBACKUPS=$(/usr/bin/tmutil listbackups |
/usr/bin/grep '$COMPUTER_NAME' |
/usr/bin/wc -l)
OLDEST_BACKUP=$(/usr/bin/tmutil listbackups |
/usr/bin/grep '$COMPUTER_NAME' |
/usr/bin/head -n1)
LATEST_BACKUP=$(/usr/bin/tmutil latestbackup)
echo Latest backup: $LATEST_BACKUP
if [[ -n '$LATEST_BACKUP' && '$LATEST_BACKUP' != '$OLDEST_BACKUP' ]]then
echo -n '$NBACKUPS backups. Delete oldest: ${OLDEST_BACKUP##*/} [y/N]? '
read answer
case $answer in
y*)
echo Running: /usr/bin/sudo /usr/bin/tmutil delete '$OLDEST_BACKUP'
/usr/bin/sudo time /usr/bin/tmutil delete '$OLDEST_BACKUP'
;;
*)
echo No change
;;
esac
else
echo 'No backup available for deletion'
fi
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Many people would agree that now Macs take a significant place in our lives. In a good way, of course. They help us immerse ourselves in the virtual reality, communicate with the whole world, and engage greatly in our work or hobbies. However, our Macs need constant cleaning and this not only applies the external cleaning of the screen, keyboard, and other things but the internal cleaning itself. Today we will show you how to clear Mac hard drive using 8 simple ways.
Follow These Steps to Clean Your Mac Hard Disk
A great news to all Mac lovers, there is a brand-new and useful cleaning app called MacFly Pro. This cleaning software will become your fast and effective assistant in taking care of your Mac. MacFly Pro finds and removes unnecessary files, duplicates, downloads, Mac cache files, old applications on your hard disk. Furthermore, this tool will make space on hard drive Mac and improve the PC's working performance.
In 6th grade we will focus our study on the development of ancient human civilizations from the dawn of man through 500 C.E.; Paleolithic and Neolithic man, Mesopotamia, Ancient Egypt, Ancient Israel, Ancient India, Ancient China, Ancient Greece and Ancient Rome will all fall under our historical microscope. Mr mac s 6th grade homework.
Now, let's get back to the manual cleaning of your Mac. Below, you will find 8 most practical methods to clean hard drive and free up some space.
1. Empty Trash
Mac Manual Clean Up Printer
This is the most common tip among all Mac users to cope with a lack of storage space. Have you heard that you should periodically empty your Trash? This will help reclaim some space and get rid of unnecessary files that you no longer use.
Mac Manual Clean Up Computer Hard Drive
2. Clear cache
The second step to clean out hard drive space on a Mac is to clear system, user and also browser cache. Cache are temporary files and can accumulate very quickly, that's why one should delete them from the hard disk. Make a habit to delete cache on Mac and browsing history to prevent slowdowns of your favorite browser.
3. Uninstall old and useless apps
Some applications on your computer may have no value so you should search and destroy all old and unwanted apps from your hard drive. It may be difficult a bit to part with different apps, even if you never opened them, but it will help clean your Mac hard drive.
For instance, Mac OS has pre-installed applications and a big part of them may not be valuable. To reclaim more hard disk space on your MacBook Pro, go to the Application folder and drag-and-drop useless apps to the Trash on your desktop (and don't forget to empty Trash!).
4. Delete language packs
3. Uninstall old and useless apps
Some applications on your computer may have no value so you should search and destroy all old and unwanted apps from your hard drive. It may be difficult a bit to part with different apps, even if you never opened them, but it will help clean your Mac hard drive.
For instance, Mac OS has pre-installed applications and a big part of them may not be valuable. To reclaim more hard disk space on your MacBook Pro, go to the Application folder and drag-and-drop useless apps to the Trash on your desktop (and don't forget to empty Trash!).
4. Delete language packs
To make your iMac run a bit faster, clean up the hard drive by eliminating localization and language packs. It's worthy to delete language packs if you don't need them, and you can do it manually or rely on some effective cleaning apps like MacFly Pro.
5. Remove disk space hogs
From time to time, monitor your Mac hard drive to discover which files to move to an external storage device and which to delete completely. Never put off until later what you can do now to maintain the good performance of your Mac.
6. Manage e-mail files
This is definitely not the best way to clean much space on your Mac hard drive, but at least it will complement the manual cleaning. You can either remove or archive e-mail files to free up extra space on a disk for other worthwhile items.
Sophos Mac Manually Clean Up
7. Use some maintenance utilities
Now that you know how to clear your Mac hard drive on your own, let's move on to some maintenance utilities. To keep your Mac in a good condition and boost its performance, you can buy or download online utilities. These digital cleaners will delete system caches, log files, temporary files, duplicate files, and other stuff from your PC.
Mac Manual Clean Up Mac
8. Ask for help from third-party applications
Why your blog isn’t getting more attention. And the last tip for today is to look for efficient third-party applications.
Those guys will do your job of reclaiming hard drive space and speeding your Mac up. As mentioned before, MacFly Pro is a truly clever solution to performance problems. This is a universal application that will clean up the hard drive, scan the overall condition of your PC and support its life in the future.
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