# h command

The h command displays internal information
about the specified FID if it is in memory, message <NIM> displays, or FID is not in memory.

## Syntax

```
hfid
```
The content of the buffer table can be altered. Input
is terminated with a carriage return.

| carriage return | Returns to the debugger. |
| --- | --- |
| ^N | Next buffer table entry, following the age queue forward link. |
| ^P | Previous buffer table entry, following the age queue backward link. |
| ^F | Next buffer table entry, following the hash queue forward link. |

---
Source: https://d3codex.com/unix/h-command/ - part of the D3Codex reference.