How to clean up mac disk space? Do you know whether it should be deleted or not?

In addition to the low system version, the "insufficient balance" of disk space is also the key to seriously slowing down the running speed of Mac. When we obviously feel that the running speed of Mac is not as good as before, it is time to clean up the Mac memory space. Those useless files accumulated over the years, so which useless files should be deleted? The following methods of clearing up mac disk space will surely help you!
1. Clear the cache files of Mac computer
Generally, there will be a lot of cache files accumulated in the computer. In fact, cache files are files that help Mac run programs more smoothly. Deleting them will not affect it, but if there are too many, it will take up a lot of space.
1. Open a Finder window and select Go from the menu bar at the top of the screen.
2. In the drop-down menu, select "Go to folder..."
3. In the window that pops up, enter "~/Library/Caches"
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2. Uninstall applications that have not been used for a long time.
Uninstalling applications that have not been used for a long time can clear up some disk space. You can open [Finder] > [Applications] to arrange all applications according to the modification date, and scroll the mouse wheel to view the modifications. For the oldest application, right-click the application that has not been used for a long time, select [Move to Trash] or directly drag it to the trash icon to uninstall it.
3. Delete the old DMG disk image
After the disk image (DMG file) of some software is installed, it can be deleted to save disk space. You can click [Macintosh HD] in the list on the left in the Finder, search for [dmg] in the search box in the upper right corner, select the DMG disk image that can be deleted, and move it to the trash.
4. Empty the trash
When we delete a file or a program, it does not mean that the file or program disappears completely, it is just thrown into the trash, if the trash is not emptied, then it is still Can take up a lot of disk space. Therefore, we must regularly empty the trash.
Note: More than one Trash in MacOS Click Ctrl+click or right-click the Trash and choose Empty Trash. Is the Trash for deleted files from Finder
If you delete media files from iPhoto, iMovie, and Mail, you must clean out their trash bins separately. To do this, open a specific app, find its trash, Ctrl+click, and select Empty Trash.
Delete the files/folders that take up the largest amount of space
In the process of using a mac computer, it is easy for us to forget some unnecessary files or installation package files. If you do not find and clean up in time, the Mac disk space will take up more and more! The editor here recommends that you use CleanMyMac X to control your Mac. The zai address of CleanMyMac X is cleanmymac.cn. CleanMyMac X has a large file search function, one-click scanning of the mac disk to quickly identify large files, and organize and analyze them, so that you can easily find the files you want to delete. You can judge whether a file needs to be deleted based on its size, last open time and type, which is very convenient and practical.
Sixth, delete useless backup
1. Open the "Finder" window, and then select "Go" in the menu bar.
2. Click "Go to folder..."
3. Type "~/Library/Application Support/MobileSync/Backup/" to delete all useless system backups to free up more disk space.
The above are useless files that take up a lot of Mac disk space and should be deleted. The cleaning methods are also told to you. Delete them manually or download CleanMyMac for one-click scanning and smart deletion~

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Origin blog.csdn.net/jiuguosanxun/article/details/127640399