Users Guide
Command History
This guide is platform-specic. 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
9.7(0.0) Introduced on the S6000-ON.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.7.0 Introduced on the S4810.
7.8.1.0 Introduced on the S-Series
Usage Information You must include the colon (:) when entering this command.
After reformatting is complete, three empty directories are automatically created on ash: 
CRASH_LOG_DIR, TRACE_LOG_DIR and NVTRACE_LOG_DIR.
CAUTION: This command deletes all les, including the startup conguration le. So, after 
executing this command, consider saving the running cong as the startup cong (use the write 
memory command or copy run start command).
Related Commands
copy – copies the current conguration to either the startup-conguration le or the terminal.
show le-systems – displays information about the le systems on the system.
fsck ash
Checks the ash le system for errors.
Syntax
fsck flash:
fsck usbflash:
Defaults none
Command Modes EXEC Privilege
Command History
This guide is platform-specic. 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
9.7(0.0) Introduced on the S6000-ON.
9.0.2.0 Introduced on the S6000.
9.1(0.0) Introduced on S4810 and Z9000.
8.3.19.0 Introduced on S4820T.
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File Management










