The "more" utility was named because of the prompt after each page. The "less" utility is another pager app, so named because "less is more."
Mailers have a long history of funky names. Elm was "electronic mail." Pine is an acronym "pine is no longer elm." Balsa is meant to be light weight.
Not Linux, but the Mac OS X tool to glue multiple single-architecture binaries into a single multi-architecture binary (aka a "fat" binary) is called "lipo".