On-line Regex Checker and Visualizer
This is a pretty cool tool. Type in a Regular Expression and the text you're trying to match against and it'll show you what matches as well as explain the the expression.
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Resize Virtualbox Ubuntu LVM Storage in MacOS
I've seen examples of how to accomplish this in Windows. The syntax is slightly different on MacOS. I also find the most straightforward way to do this is a little bit scary for those unfamiliar with Linux partitions. This should work on any LVM based *nix VM; I just happened
Testing Syntax Highlighting
echo testing 1 2 3
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Print BASH Array Elements on Separate Lines
Very easy and usually accomplished with a loop: $ array=(red green blue) $ for I in ${array[@]}; do echo $I; done red green blue But we can do better!: $ printf '%s\n' "${array[@]}" or: $ ( IFS=$'\n'; echo "${array[*]}" ) Note the switch to "${array[*]}" from "${array[@]}" (the "quoting" is important!