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About Tar.xz

xz is a lossless data compression program and file format.
From command tar --help

-J, --xz                   filter the archive through xz

How can you pack file to tar.xz from terminal ?

tar -cf - forder_name/ | xz -9 -c - > file_name.tar.xz

( we suggest copy, paste and edit command than rewrite )

How can you unzip tar.xz from terminal?

  tar xvfJ name_package.tar.xz  

How extract tar files to specific or different directory from terminal ?

You need use -C

 tar xf name_package.tar.xz -C /path/to/dir/ 

How extract without first directory and to different directory ?

You need use --strip=1

tar xvfJ name_package.tar.xz  --strip=1 -C /path/to/dir/
x = extract
v = verbose
f = use archive file
-J , --xz = archive xz
--strip = number leading components from file names on extraction
-C , --directory = change directory ( for unpack )

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