We found one dictionary that defines the word .sys files:

Computing (1 matching dictionary)

1. .SYS files: Computer Telephony & Electronics Dictionary and Glossary

▸ Words similar to .sys files ▸ Usage examples for .sys files ▸ Idioms related to .sys files ▸ Wikipedia articles (New!) ▸ Words that often appear near .sys files ▸ Rhymes of .sys files ▸ Invented words related to .sys files