MacOS keeps certain logs files in their system and these background logs are mainly for crash reports and error reporting purposes. sudo dscacheutil -flushcache sudo killall -HUP mDNSResponder To do this, use this command in Terminal.

Regularly flush your DNS Cache so that you always get the latest nameservers and ensure all websites you visit are working fine.

This may be caused by the location of the web server changes before the entry of your DNS cache updates. You may encounter 404 error code when visiting certain webpages. sudo purgeĭNS Cache stores all the IP addresses of the websites you visited. In short, they are still taking up space in your RAM.įreely up these inactive RAM can smooth up your Macbook performance significantly. Here are the five (5) easy Mac terminal command lines you can use to clean and speed up your macOS device.įor every application we use and every system process that is running, they are stored in the Random Access Memory (RAM) of your MacBook.Įven when they are not active at the moment, they are still stored as inactive RAM. How to Clean and Speed Up macOS Using the Terminal Command line?

How to clean up macbook storage