change, on the grounds of a complain he has filed with the qjail
author about copying the sources of ezjail without appropriate
attribution. Until this is resolved, we can keep the original
text here.
scripts: service(1) puts things in one place and abstracts them. Also, it's less
typing and easier to autocomplete.
While here modernize script examples by removing the ".sh" suffix.
Discussed on: -doc
Reviewed by: bjk (prior version)
Approved by: bcr (mentor)