What are RCS and SCCS?
RCS and SCCS are source code control systems. Razor commonly refers to both RCS and SCCS as archival engines. Both systems contain a set of commands that aid users in tracking the changes made to source code files, or any text files for that matter. It may be helpful to think of RCS and SCCS as a friendly librarian and accountant for your files who helps you restore your files to the condition they were in at some previous time. In short, RCS and SCCS are tools to help manage a group of file.