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Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S3148.
9.10(0.0) Introduced on the S6100-ON.
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced the support for bmp-boot on the S-Series and Z-Series switches.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
Usage
Information
To display these changes in the show bootvar command output, save the running configuration to the
startup configuration (using the copy command) and reload system.
format flash
Erase all existing files and reformat the file system in the internal flash memory or the USB drive. After the file system is
formatted, files cannot be restored.
Syntax
format [flash: | slot0: | usbflash: ]
Parameters
flash: | usbflash:
● flash: reformat the file system in the internal flash memory.
● usbflash: reformat the file system in the usbflash.
Defaults flash memory
Command Modes EXEC Privilege
Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.2(1.0) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.11.1 Introduced on the Z9000.
Usage
Information
Include the colon (:) when entering this command.
CAUTION: This command deletes all files, including the startup configuration file. So, after
executing this command, consider saving the running config as the startup config (use the
write memory command or copy run start command).
56 File Management