Yesterday I posted https://krypted.com/mac-security/script-to-list-extensions-running-on-a-mac/ to scriptify some research on App Extensions and System Extensions. I mentioned that it’s also possible to loop through /Applications or /Applications/Utilities and look for any .systemextension bundles (which includes network extensions as those are .networkextension.systemextension – and ultimately they’re all kinda’ auxiliary kext’s ‘even though’cause kexts are bad – but I digress). So here’s a script that loops through the file hierarchy supplied by $1 and then checks any found against systemextensionsctl to make sure they’re running: https://github.com/krypted/extensionslist/blob/main/systemextensions.sh In action, here are a couple of outputs of what it can look like. Per developer documentation (and with a little experience writing them), the two locations…
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Differences Between zsh and bash
Supposedly, macOS 10.15 Catalina is slated to replace the default /bin/bash shell with zsh, or /bin/zsh. Before we talk about the differences let’s just say that bash is still here and if your script is called as bash then it will still work just fine. To quickly see which you’re using (e.g. when testing a new release), use $0: echo $0 Z Shell or zsh for short was written by Princeton University student Paul Falstad in 1990. Most shells are just extensions of the Bourne shell (including bash) and work similarly but there are minor differences here and there. Yes, Z Shell comes with a control-R reverse incremental search, but…