This revision control system required minimum setup. What I need is just simply to have RCS installed.
To install in Ubuntu :
sudo apt-get install rcs
To check-in your file :
ci filename
You will see a new file created in the same directory :
filename,v
And you'll wondering where your file is.
To keep your file "visible", add the -u switch.
ci -u filename
To make it more organized, create a RCS directory in your working directory, so the ,v file will be stored in RCS directory.
If you are using the ci without -u switch, you can use co command to checkout the file.
co filename
To check out and lock the file for edit, use the -l switch :
co -l filename
To do a diff with your changes and the last check-in version :
rcsdiff filename
To see the log and change summary of each check-in :
rlog filename
Some screenshots for the above mentioned commands.