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Vim's variant. Vim should be the default editor.

1. Pick long command from history, using up/down arrows. I have chosen this:echo one two three > new_file.txt
2. Press Ctrl + x Ctrl + e combination. It will open our long command inside Vim. Press Ctrl + g, for showing the temporary file name in the bottom of the vim window. In my case it is /tmp/bash-fc.230BC2
3. Go to another tty, type vim /tmp/bash-fc.230BC2 (using filename autocomplete, of course). It will tell you "Swap file already exist" - press O, for open read only.
4. Then, inside vim, you are needed the next key sequence: yy : ! Ctrl+r " Enter
   Explanation:

• yy - copy all line
• : - go to the command-line mode
• ! - execute command with shell
• Ctrl+r " - paste the copied line to the command line.
• Enter - execute command

I should mention, that all this key sequence can be mapped to one keystroke, by .vimrc file edit.

It is done - command was copied from one tty to another and executed.