Midnight Commander

Keys	Function
`ALT + u`	Swap panels
`ALT + t`	Switch listing mode (full, brief, long …)
`ALT + i`	Show current directory in other panel (synchronize)
`ALT + ,`	Toggle layout between left-right and top-bottom

Keys	Function
`CTRL + PgUp`	Change to parent directory
`ALT + o`	Open selected directory (or parent directory if file is selected) in other panel
`ALT + SHIFT + h`	Show directory history
`ALT + y`	Open previous directory from history
`ALT + u`	Open next directory from history

Search dialog: ALT + ?
Quick search:
- ALT + s (or CTRL + s)
- use same shortcut jump to next match
- wildcards (*, ?) can be used

Keys	Function
`ESC` `Tab`	Shell completion, 2x for list of possibities, works also in dialog fields
`CTRL + O`	Toggle between shell and `mc`
`ALT + ENTER`	Copy current file name to shell

The editor can be changed:

The function keys (F1 - F10) can be emulated by using ESC + 1 - ESC + 0

The mc-wrapper script allows that the shell changes to the current directory when exiting mc.

It can be activated by setting an alias.

On Linux:

alias mc='. /usr/libexec/mc/mc-wrapper.sh'

On macOS (homebrew):

 alias mc='. /usr/local/opt/midnight-commander/libexec/mc/mc-wrapper.sh'

Disable Edit > Preferences > General > Enable the menu accelerator key (F10 by default)
Change Edit > Preferences > Shortcuts > Help > Contetns to Shift+Ctrl+F1
Change Edit > Preferences > Shortcuts > Tabs > Switch to Previous Tab to Alt+Page Up
Change Edit > Preferences > Shortcuts > Tabs > Switch to Next Tab to Alt+Page Down