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Category: Tutorials

Dr Hjkl on the Command Line

The first time I used vi was in a college programming course. It was the
default editor on the computer lab’s UNIX systems we used to compile our
assignments. I remember when our professor first introduced vi and
explained that you used the hjkl keys to move your cursor around instead of
the arrow keys. more>>

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It’s Easier to Ask Forgiveness…

…than to understand Linux permissions! Honestly though, that’s
not really true. Linux permissions are simple and elegant, and once you
understand them, they’re easy to work with. Octal notation gets a little funky,
but even that makes sense once you understand why it exists.


Users and Groups:

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