Command line tip - find out which version of a program will run

On your system, it is perfectly possible that you might have more than one version of a particular application installed. If you've custom compiled an application or have concurrent versions of one bit of software, this might be an issue for you.

Now when a program is in your PATH (in one directory of a list of special directories on your system), you can execute it just by typing ...

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FOSSwire Reference - Using tar to create, extract and manipulate archives

Quick headnote - welcome to a new breed of FOSSwire post, the Reference post. In a Reference post, we'll try to put as much useful information as possible that you might want to quickly come back and find later!

If you've ever worked with a Unix system, you've probably used tar. Put simply, tar is a way to archive a folder, or multiple files into one file (and ...

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Using traceroute

If you're trying to diagnose a misbehaving network or you're just plain curious about what machines handle your requests to the internet, you might be interested in a tool called traceroute.

The traceroute tool is built into almost all Linux systems, and if it doesn't ship by default you can usually install it by simply heading to your package manager and finding the traceroute package.

It's ...

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