I tried out using cassandra for development purposes. The steps for installation can be found out here. Though a comprehensive one I found some of the steps not exactly responsive in my laptop what was mentioned.
a. bash_profile fine has to be created, if not already created.
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b. sometimes the URL for download cassandra saves a tar that can not be unzipped. In that case, I downloaded the tar from here and then reflected the corresponding file location related changes in further steps
c. the command line starting with ‘ ln -s ‘ should be like