ruby-shims is a set of symlinks to a script that executes Ruby binaries based on a per-directory .ruby-version or system-wide /etc/ruby-version file. The file must only contain the exact version string, e.g. $ cat .ruby-version 2.6 $ ruby --version ruby 2.6.5p114 (2019-10-01 revision 67812) [sparc64-openbsd]No homepage