Install librcs-perl by entering the following commands in the terminal:
sudo apt update sudo apt install librcs-perl
Description:
Perl Object Class for Revision Control System (RCS)
This Perl module provides an object oriented interface to access Revision Control System (RCS) utilities. This module should simplify the creation of an RCS front-end.
Homepage: https://metacpan.org/release/Rcs
Version: 1.05-5
Section: universe/perl