Emacs: 1 Key for M-x
The default key for execute-extended-command
is Alt+x.
This command is most frequently used. You should set a single key for it. Single key is easier to type than Alt+x.
You can set F8 or ▤ Menu key to do execute-extended-command
.
On Linux, ▤ Menu key does execute-extended-command
by default.
For how, see: Emacs Keys: Menu Key.