How to compare two version numbers in a shell script

Question: I am writing a shell script in which I need to compare two version number strings (e.g., “1.2.30” and “1.3.0”) to determine which version is higher or lower than the other. Is there a way to compare two version number strings in a shell script? When you are writing a shell script, there are […]
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How to find Ubuntu version and codename in a shell script

Question: I am writing a shell script where I need to obtain the release version and release name (or codename) of Ubuntu system. How can I get Ubuntu version/release name inside a shell script? There are many cases where you need to run some batch processing jobs which can vary across different Ubuntu releases (e.g., […]
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