tar xz compression level

1. How do I compress a tar XZ file?
2. Which Tar compression is best?
3. How much does tar reduce file size?
4. Does Tar reduce size?

How do I compress a tar XZ file?

5 Answers. Use the -J compression option for xz . And remember to man tar :) tar cf - directory reads directory/ and starts putting it to TAR format.

Which Tar compression is best?

Use rzip , after tar . It first compresses 900 MB large data blocks using a dictionary method, and then it hands the cleaned-up data over to bzip2 . It is much faster than the other strong compression tools ( bzip2 , lzma ), and some files it compresses even better than bzip2 or lzma .

How much does tar reduce file size?

The advantages of tar: Tar, when it comes to compression has a compression ratio of 50%, which means it compresses efficiently. Drastically reduces the size of packaged files and folders. Tar does not alter the features of files and directories.

Does Tar reduce size?

tar produces archives; compression is a separate functionality. However tar alone can reduce space usage when used on a large number of small files that are smaller than the filesystem's cluster size. If a filesystem uses 1kb clusters, even a file that contains a single byte will consume 1kb (plus an inode).