Allied Telesis AT-WA7501 - Manual (Page 272)

Chapter 9: Additional Access Point Features
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To make segment 2 the active boot segment and segment 4 the active
data segment, enter:
FB 2 4
You can use an asterisk instead of a segment name if you want to leave
that segment unchanged. For example, to leave the active boot segment
unchanged and make segment 4 the active data segment, you could
enter:
FB * 4
After loading software into the access point a common task is to activate
the new software. To activate the new software, enter:
FB IB: ID:
This command activates the inactive boot and data segments. You do not
need to know which of the boot and data segment numbers the flash is
loaded into.
FC
Purpose: Compacts the files in a particular segment.
Syntax: FC s
where s indicates the segment to be compacted. You can use any
segment number or name to specify the one flash memory segment on the
access point.
Example: To compact the contents of the flash memory segment, enter:
FC 1
FD
Purpose: Displays the flash file system directory, including information
about the boot file and the file type: E (executable), D (data), and T
(transparent). For information about transparent files, see “Understanding
Transparent Files” on page 265.
Syntax: FD
Example: To display the contents of the flash memory segment, enter:
FD
To display the contents of the memory card, enter:
FD APP: