Step 1: Categorize each software listed below:\[\begin{array}{rl} \bullet & \text{(A) LIBSUITE: A vendor-developed commercial Integrated Library System (ILS).} \\ \bullet & \text{(B) LIBSYS: A commercial ILS widely used in India, from LibSys Ltd.} \\ \bullet & \text{(C) GRANTHALAYA: Library automation software from INSDOC/NISCAIR (government), commercially distributed.} \\ \bullet & \text{(D) LMS (Learning Management System): A generic software category (e.g., Moodle, Blackboard), not a specific commercial product like the others.} \\ \end{array}\]
Step 2: Identify the specific commercial products.LIBSUITE and LIBSYS are undoubtedly commercial ILS products. GRANTHALAYA is also commercially distributed. LMS is a general category. Consequently, (A), (B), and (C) represent specific vendor-developed and sold software.