How to extract tar.xz files in Linux and unzip all files

How do I extract tar.xz files in Linux? Can you tell me command to unzip linux-5.6.13.tar.xz file? How can I uncompressing (or decompressing) all files in the current directory?

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Linux/Unix bash shell script to purge Cloudflare url/images from the command line

Here is a simple and easy to use bash shell script to purge/delete Cloudflare url/images cache from the command line without using web interface.