File Manager
There are multiple keyboard shortcuts/hotkeys, that can be used to provide quicker access and smoother user expirience.

Keypress Command
alphanumeric typing
  Quick search
up/down
pgup/pgdn
home/end
  Cursor position
Enter
  Descent into directory
Backspace
  Previous folder
contextmenu
right-click
  Context menu
⇧ + ▵
⇧ + ▿
spacebar
Alt + right-click
  Select row
Ctrl + L
right-click on path
  Enter path manually
*
  Inverse select
Ctrl + A
  Select all
Ctrl + ⇧ + A
  Deselect all
F2
  Change permissions
⇧ + F2
  Change attributes
F3
  Change ownership
⇧ +F3
  Change security context
F4
  Edit when possible
F5
⇧ + F5
  Compress/decompress
F6
  Rename
F7
⇧ + F4
  New folder/file
⇧ + F7
  Search
F8 or Delete
  Delete
F9/F10
  Download/upload to current folder
Ctrl + S
  Calculate selected size
Ctrl + spacebar
  New tab
Ctrl + ⇧ + spacebar
  Close current tab
Ctrl + left/right
  Change tabs
Ctrl + 1..9
  Switch to the tab number
Ctrl + C/X/V
  Copy/Cut/Paste
Esc, Esc
  Close active editor window
Ctrl + Esc, Esc
  Minimize active editor window
Alt + ▵
  Maximize active editor window
Alt + ▿
  Normalize active editor window
Ctrl + S
Ctrl + ⇧ + Alt + S
  Save/Save and close active editor
Ctrl + R
  Reload current folder