Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) - Manual (Page 150)

File Management Commands
Software Reference for x310 Series Switches
7.4 AlliedWare Plus TM Operating System - Version 5.4.4C C613-50046-01 REV A
In a stacked environment you can only access flash and nvs using the stack member
filepath. To access a USB storage device on a backup stack member, use the
remote-login
command on page 83.7 .
Note When the Flash base directory is required for local filesystems you may use
flash or flash: or flash:/. Similarly, when the USB storage device base directory
is required you may use usb or usb: or usb:/.
The keywords flash, nvs, usb, tftp, scp, sftp and http are reserved for tab
completion when using the copy, move, delete, cd, and dir commands.
The keywords flash, nvs, usb, tftp, scp, sftp and http cannot be applied as
directory or subdirectory names when using a mkdir command.
A leading slash (/) indicates the root of the current filesystem location.