Basic Software (nonfunctional)
- Routines and programs designed to extend or facilitate the use of particular automated equipment As a rule, the vendor provides basic software. It is usually essential for the system operation. Examples of bask software are executive and operating systems, diagnostic programs, compilers, assemblers, utility routines (such as sort-merge and input or output conversion routines), file management programs, and data management programs. (AFR 205-16)