Which of the following tools can be used to keep track of evolving versions of a file?
SCCS tools can be used to keep track of evolving versions of a file.
Source code control system(SCCS) is a version control system designed to track changes in source code and other text files during the development of a piece of software. This allows the user to retrieve any of the previous versions of the original source code and the changes which are stored. SCCSallows only one user at a time to update a file, and records all changes in a history file.