root@onyx ~ # ls -l /usr/bin/ruby*
lrwxrwxrwx 1 root root    6 Jan 14 20:49 /usr/bin/ruby -> ruby24
-rwxr-xr-x 1 root root 7992 Sep 26  2017 /usr/bin/ruby23
-rwxr-xr-x 1 root root 6072 Jan 14 10:31 /usr/bin/ruby24
-rwxr-xr-x 1 root root 8168 Jan 15 23:34 /usr/bin/ruby25
root@onyx ~ #