RCS within the directory where you actually do your work. for example, if you're working in a directory called /home/kev/corpus, you will:
cd corpus
mkdir RCS
babel>ci junk.txt
RCS/junk.txt,v <-- junk.txt
enter description, terminated with single '.' or end of file:
NOTE: This is NOT the log message!
>>
You then enter a description of the file. When you're finished, hit enter to go to a new line, then type a single period, and then hit enter again:
babel>ci junk.txt
RCS/junk.txt,v <-- junk.txt
enter description, terminated with single '.' or end of file:
NOTE: This is NOT the log message!
>> this is just a junk file that i created to illustrate the use of rcs.
>> .
initial revision: 1.1
done
babel>
man rcsintro
man ci
man co
man rcsdiff
man rlog