this post was submitted on 18 Jul 2023
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    sudo !! (infosec.pub)
    submitted 1 year ago by [email protected] to c/linuxmemes
    21 comments fedilink hide all child comments
     
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    [–] QuazarOmega 8 points 1 year ago* (last edited 1 year ago) (1 children)

    It just expands into the last command you put in your shell, so it's useful for retrying a command that you want to prepend with sudo for example, if you realize you needed elevated privileges, or maybe you want to pipe something in it, pipe it through something, redirect its output etc.

    [–] lanolinoil 5 points 1 year ago

    Brilliant -- I've needed this so many times. Thanks for the explanation