One liner: To get available virtual memory

vmstat -s -SM | grep "free memory" | awk -F" " '{print$1}'
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How to Install Latest Firefox 4 and Firefox 3 in Ubuntu ?

How to Install Latest Firefox 4 and Firefox 3 in Ubuntu ?

  • Do the following in Terminal to install latest Firefox 4.0 and Firefox 3 in Ubuntu.
sudo add-apt-repository ppa:ubuntu-mozilla-daily/ppa && sudo apt-get update
sudo apt-get install firefox-4.0
sudo apt-get install firefox