LS
boot            set of programs for down loading the controller's lsi11
db              transform data base management system
g               only for storing output graphic files
h               all the include files
lint            the 'lint' description of the libraries
m               single precision math lib. no longer in use
mac             the lsi11's superviser and maintenace program
man             the manuals
o               only for storing object files
puma            robot programs
rtc             the real time interface
src             the source of RCCL
stan            robot programs