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In bash, to rerun the last command, you can use !!, it prints what it is going to run, then runs it. Observe below:

bash-3.2$ echo hello <return>
hello
bash-3.2$ !! <return>
echo hello
hello
bash-3.2$ 

Now, this is how zsh is behaving on my machine, note that that pressing return after !! just prints the command, and does not run it. Is there a way to emulate bash's behaviour in zsh?

zsh$  echo hello <return>
hello
zsh$  !! <return>
zsh$  echo hello <return>
hello
zsh$   
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1 Answer 1

This is caused by the hist_verify option being set to true.

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1  
"setopt No_HIST_VERIFY" is how to turn it off. –  mcr Sep 25 '13 at 2:34

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