# f command

The f command flushes memory. All frames
modified in memory are written back to disk. If a disk error occurs,
a minus sign displays.

## Syntax

```
f{!}
```

| ! | Specifies all frames in memory, even those frames that are not write-required, are written to disk. |
| --- | --- |

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