- OS.name
- RT-11
- OS.caption
- Directory listing using DIR utility under RT-11 running on a UKNC school computer
- OS.developer
- Digital Equipment Corporation and Mentec Inc.
- OS.source_model
- Closed source
- OS.kernel_type
- Monolithic
- OS.supported_platforms
- PDP-11 family and clones
- OS.ui
- Keyboard Monitor (KMON) Command-line interface
- OS.latest_release_version
- 5.7
- OS.marketing_target
- Laboratory, scientific, industrial equipment
- OS.programmed_in
- MACRO-11
- OS.prog_language
- APL, ALGOL, BASIC, BASIC-PLUS, C, DCL, Focal, Fortran, MACRO-11, Pascal, TECO
- OS.language
