Script or data to be passed to the program following the shebang (#!) — file signature 23 21 at offset 0

For Script or data to be passed to the program following the shebang (#!), hex signature is 23 21; offset is 0, verified against its source on 2026-09-22.

What the source says

23 21 | #! | 0 | | Script or data to be passed to the program following the shebang (#!) [1] |

— 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.