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Index
How to Speed Up macOS Without Hardware Upgrades
After a while, my macOS computer started to work slower. I have searched for possible solutions to run my computer faster without much latency. We can upgrade our computer storage and install a more powerful processor to speed up macOS, but hardware upgrades are costly and take time. This post instead focuses on three software-only maintenance steps that reclaim disk space and free memory:
- Clear macOS caches in
~/Library/Caches - Empty the Trash
- Free RAM with the
sudo purgecommand
Clearing macOS Caches in ~/Library/Caches
macOS caches are temporary files that apps and the system store to speed up repeat operations; over time they can grow large and consume disk space. macOS user caches are stored in the ~/Library/Caches folder. We can open that folder in Finder with Shift+cmd+G, select all subfolders with cmd+A, and move all of them into the Trash. If you still need cached folders, you can deselect them with cmd+Mouse click.
Emptying the Trash to Free Disk Space
To empty your Trash bin, right-click on it and select “Empty Trash.”
Freeing RAM with the sudo purge Command
sudo purge is a built-in macOS command that forces the operating system to flush inactive memory pages and disk caches back to a clean state, freeing RAM (Random Access Memory) without a reboot. To free your computer RAM, you can use the MacKeeper app, or use the
Terminal utility to purge your memory.
The Terminal application is in the Applications/Utilities folder.
In the Terminal window, type sudo purge, which cleans up your computer RAM and caches.
You will need your administrative password to run the purge command.
Bash Script to Automate macOS Cleanup
This section is a command-line-friendly version of the steps described above.
To automate the cleanup process, I have written a small bash script, which you can modify and adapt to your needs.
Be cautious to keep the files you need: rm -rf * permanently deletes the contents of the cache folder with no confirmation and no Trash recovery.
# Go to the ~/Library/Caches folder
cd ~/Library/Caches
# Remove everything there
rm -rf *
# Empty the Trash
rm -rf ~/.Trash/*
# RAM and caches clean up
sudo purge
Conclusion: Speeding Up macOS via Software Maintenance
These three software maintenance steps — clearing ~/Library/Caches, emptying the Trash, and running sudo purge — speed up a slow Mac without any paid hardware upgrade. Software-only macOS maintenance is a no-cost alternative to storage and processor upgrades that reclaims disk space and frees inactive RAM. You can go into more detail by consulting the following references. Let me know if you have new blog topic ideas or suggestions!
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