

Using all these steps I was able to clean almost 100+ GB.Hackers working on behalf of the North Korean government have pulled off a massive supply chain attack on Windows and macOS users of 3CX, a widely used voice and video calling desktop client, researchers from multiple security firms said. Now, Look if there are any docker images present in your system. But will be occupying a hell amount of space. It will show the size as 0 bytes because your user won't have permission to read it. Next step is to delete a hidden tmp folder The highlighted cores are nothing but the state files of your mac to reboot from last state when your mac restarts so it's safe to delete. You can analyze the files and delete them as necessary. This command will give you all the files occupying more than 10 GB. To cleanup unnecessary system files, use below command sudo find -x / -type f -size +10G You just have to click on optimize storage and it will show all the non-system files. To clean up your non-system unnecessary files, you can directly take the help of the storage management tool of mac. I tried using a few tools like cleanmymac etc but all were paid so I couldn't get help much there. So the question is how to find what all things are unnecessary and safe to delete? These system files are not visible directly.

Your nonsystem documents/downloads/itunes.Docker Images (This had ~70 GB in my case).Logs related to cores when a system restarts (~ 10 GB).Your email messages stored in outlook (in my case it was almost ~20 GB).Log files (Might be crash log files/docker files).

After doing research over various forums of mac's and StackExchange I figured out that it's mostly because of the following reasons.
