/
etc
/opt/
name
size
date
owner
mode
..
<dir>
--.--.----
.
--- --- ---
/
etc
/opt/
name
size
date
owner
mode
..
<dir>
--.--.----
.
--- --- ---
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
~
⇧ ~