12/9/2023 0 Comments Xz compression tarIf you want to test this, copy or move the archive to an empty directory and from there, again in the terminal, type:Īnd the files should now extract, (the only difference between the two commands is that 'c' create is replaced by 'x' extract). ![]() f - tells tar that the next argument (in this example '') is the file name that it should create.v - means be verbose and list the files as they are processed.z - means use gzip to compress the archive.This will create a tar/gzip archive called '' containing the contents of the folder you specified. Tar czvf /path/to/folder/containing/my/files Once you are in the command line/terminal, the syntax is quite simple: Here the 'tar' and 'gz' suffixes show that this is a tar archive compressed using gzip.Īlthough there are GUI programs that will allow you to create tar/gzip files, both Mac and Linux based systems will have this already built in and it is easy to use from Terminal (or other command line interpreter). When creating a compressed tar file, the file suffix should identify the archive and compression used. We therefore recommend gzip where possible. Tar supports a number of compression algorithms (zip, bzip2, lzip, lzma, lzop, zstd, xz and compress), but gzip is the most widely used and offers a good balance of compression and speed. xz -T0 big.tar xz -T4 bigish. To enable the functionality, add the -T option, along with either the number of worker threads to spawn, or -T0 to spawn as many CPUs as the OS reports. When combined with a compression algorithm, such as gzip, it then also reduces the size.Ī compressed tar archive is ideal for uploading as it can store large numbers of files whilst preserving the directory structure as well as making the overall size smaller and thus quicker to upload. Multiprocessor (multithreading) compression support was added to xz in version 5.2, in December 2014. ![]() Tar by itself is an archiving program, it is used to combine multiple files into a single archive, and on its own does not do any compression to reduce file size. ![]() Whilst we will accept files in any format, zip and tar (or tar/gzip) are perhaps the best and most commonly used formats for compressed archives.įor users of Unix base operating systems such as Mac and Linux, tar or tar/gzip may be a more familiar archive format than zip. This will simplify and speed up your upload. If you have a lot of files to upload you may need to create an archive containing the files.
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