HP E4510-48G Command Reference Manual page 1042

Formatting a storage medium results in loss of all the files on the storage medium and these files
cannot be restored. In particular, if there is a startup configuration file on a storage medium, formatting
the storage medium results in loss of the startup configuration file.
Examples
# Format the flash.
<Sysname> format flash:
All data on flash: will be lost, proceed with format? [Y/N]:y
./
%Format flash: completed.
mkdir
Syntax
mkdir directory
View
User view
Default Level
3: Manage level
Parameters
directory: Name of a folder.
Description
Use the mkdir command to create a folder under a specified directory on the storage medium.
Note that:
The name of the folder to be created must be unique under the specified directory. Otherwise, you
will fail to create the folder under the directory.
To use this command to create a folder, the specified directory must exist. For instance, to create
folder flash:/test/mytest, the test folder must exist. Otherwise, you will fail to create folder
mytest.
Examples
# Create a folder named test under the current directory.
<Sysname> mkdir test
....
%Created dir flash:/test
# Create folder test/subtest under the current directory.
<Sysname> mkdir test/subtest
....
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