use `vi` mode in bash (jk for up and down, no more arrow key)

.inputrc

# edit ~/.inputrc

# want vi to be the default editor for readline                      
set editing-mode vi

# vi settings                                         
$if mode=vi
    # normal mode                           
    set keymap vi-command
    "j": previous-history
    "k": next-history
    "l": forward-char
    "h": backward-char
    "G": end-of-history
    # insert mode             
    set keymap vi-insert
    "jj": vi-movement-mode # remap escape
$endif