With /LOGS, every variable of type LOGICAL will become LOGICAL(KIND=2) unless it is declared as LOGICAL(KIND=1) or LOGI CAL(KIND=3) and every constant of type LOGICAL will become LOGICAL(KIND=2).
If the /LOGL option is used (this is the default), every variable of type LOGICAL will become LOGICAL(KIND=3) unless it is declared as LOGICAL(KIND=1) or LOGICAL(KIND=2). Also, every constant of type LOGICAL will become LOGICAL(KIND=3).
FTN95 only acts as a standard-conforming compiler when /LOGL is used.