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Commands Reference, Volume 2

fdformat Command

Purpose

The fdformat command formats diskettes.

Syntax

fdformat [ Device ] [ -h ]

Description

Attention: Formatting a diskette or read/write optical disk destroys any existing data on it.

The fdformat command formats diskettes in the diskette drive specified for low density unless the -h flag is specified.

All new, blank diskettes must be formatted before they can be used.

Before formatting a diskette or read/write optical disk, the fdformat command prompts for verification. This allows you to end the operation cleanly.

Flags

-h Forces high-density formatting. This flag is used only with the fdformat command.

Parameters

Device Specifies the device containing the diskette to be formatted. The default is the /dev/rfd0 device for drive 0.

Examples

To force high-density formatting of a diskette when using the fdformat command, enter:

fdformat -h

Files

/usr/sbin/fdformat Contains the fdformat command.
/dev/rfd* Specifies the device parameters.
/dev/fd* Specifies the device parameters.
/dev/romd* Specifies the device parameters.
/dev/omd* Specifies the device parameters.

Related Information

The flcopy command, format command.

The fd special file.

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