Decompress and extract a tgz or tar.gz archive in a single step
Compressed UNIX tar archives (typically tar.gz or .tgz extensions) can be extracted in a single command. This is faster and works with less disk space available.
To extract the compressed tar archive target.tar.gz into the current working directory with:
gzip -dc target.tar.gz | tar xf -
If the file was compressed with bzip2 (i.e., .tar.bz2), you can substitute the bzip2 command for gzip.
If the archive was compressed with the UNIX compress command (archive ending in .Z) you can use:
zcat target.tar.Z | tar xf -
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