ubuntu system freeze

 https://askubuntu.com/questions/898941/how-to-check-ram-size

ram

free -m

free -g

https://askubuntu.com/questions/73160/how-do-i-find-the-amount-of-free-space-on-my-hard-drive

disk

• df -h --total
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• https://askubuntu.com/questions/732794/how-to-show-top-ten-memory-consuming-processes-with-ps
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• list of top 10 memory consuming process
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• ps aux --sort -rss | head -11

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