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Ever get tired of all the steps involved in installing a new module, or upgrading to the latest version? Download, upload, un-tar, delete the .tar.gz archive. Try this command at the command line (be sure you're in sites/all/modules, or wherever your modules live):
wget -q -O - http://ftp.drupal.org/files/projects/coolest_module_ever-5.x-1.x-dev.tar.gz | tar zxv
Likewise, you also can type:
curl http://ftp.drupal.org/files/projects/coolest_module_ever-5.x-1.x-dev.tar.gz | tar zxvEither of those commands will download the module, un-tar the archive, then delete the .tar.gz archive.

"I just tripled my productivity!"