# Start buffer mark

The start buffer mark is used to pad tape records to the
length specified during the most recently executed tape attachment
command.

The following table shows the different representations
for the start buffer mark:

| Displayed form | "[" |
| --- | --- |
| Hexadecimal value | fb |
| Decimal value | 251 |

## See also

- [dump command](https://d3codex.com/tcl/dump-command/)
- [Metacharacters](https://d3codex.com/definitions/metacharacters/)
- [Segment mark](https://d3codex.com/definitions/segment-mark/)
- [Subvalue mark](https://d3codex.com/definitions/subvalue-mark/)
- [t-att command](https://d3codex.com/tcl/t-att-command/)
- [Tape handling commands](https://d3codex.com/definitions/tape-handling-commands/)
- [Value mark](https://d3codex.com/definitions/value-mark/)

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Source: https://d3codex.com/definitions/start-buffer-mark/ - part of the D3Codex reference.