Fortinet MR1 - Manual (Page 247)

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no clibanner
<url> - xmodem or tftp://ipaddr/path/file.
no - Delete CLI banner.
Default Setting
None
Command Mode
Privileged Exec
5.11.3 delete
This command is used to delete a configuration or image file.
Syntax
delete <filename>
<filename> - name of the configuration or image file.
Default Setting
None
Command Mode
Privileged Exec
5.11.4 dir
This command is used to display a list of files in Flash memory.
Syntax
dir [boot-rom | config | opcode [<filename>] ]