CP/M 3 and higher with overlays — file signature C9 at offset 0

For CP/M 3 and higher with overlays, hex signature is C9; offset is 0; extension is com, verified against its source on 2026-09-22.

Hex signature: C9 verified
Offset: 0 verified
Extension: com verified
Format: CP/M 3 and higher with overlays verified

Sourceen.wikipedia.org

Verified2026-09-22

Review by2027-09-22

DatasetFile format magic numbers

What the source says

C9 | É | 0 | com | CP/M 3 and higher with overlays [27] |

— en.wikipedia.org, retrieved 2026-09-22

Source

en.wikipedia.orghttps://en.wikipedia.org/wiki/List_of_file_signatures

Last verified against source: 2026-09-22. Due for re-check by 2027-09-22. This page as Markdown · OKF bundle · full dataset as JSON.