bell labs operating system: crossword clues

Matching Answer
Confidence
UNIX
60%
MSDOS
60%
TELSTAR
60%
DOS
60%
METHOD
60%
RAN
60%
ICON
60%
CBER
60%
ONE
60%
OVA
54%
e.g. Greek Cheese
e.g. O?D (Use ? for unknown letters)