this post was submitted on 02 Oct 2025
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    [–] Allero@lemmy.today 7 points 12 hours ago* (last edited 12 hours ago) (2 children)

    Yes.

    Also don't forget && exists for sequential completion of any commands

    [–] JackbyDev@programming.dev 2 points 2 hours ago (1 children)

    Yeah, I was doing sudo apt update && sudo apt upgrade

    [–] ITGuyLevi@programming.dev 1 points 36 minutes ago

    I may be totally confused but I've also always done it in that order, otherwise I feel like it would run upgrades from your cache of the apt repos (possibly hitting errors as stuff likes to change), then after it would run apt update (updating the repos).

    My thought has always been update repos, then check those repos for software upgrades. I could definitely be wrong though.

    [–] MsFlammkuchen@lemmy.blahaj.zone 20 points 11 hours ago (2 children)

    && executes the second command, if the command before was successful, || executes the second command if the first one was unsuccessful and ; executes the second command regardless of success.

    [–] Cevilia@lemmy.blahaj.zone 4 points 6 hours ago

    I didn't know any of this, thank you both :)

    [–] myotheraccount@lemmy.world 6 points 10 hours ago (2 children)

    These are much more useful than the :(){ :|:& };: operator

    [–] JackbyDev@programming.dev 1 points 2 hours ago

    Expanded it's more clear what's going on.

    bomb() {
        bomb | bomb &
    }
    bomb
    

    Fun fact and disclaimer: this is a fork bomb. i tried it to run it on my phone via termux, thinking android would act up and terminate termux; but nope, my phone froze. Thankfully i hard-reset my phone by holding [VOLUME_DOWN]+[POWER] for ~5 seconds.