tlzma The .tlzma extension is an indication that file is archived as well as compressed. Generally, these are data files that have been archived by the TAR Archiver using the LZMA algorithm for compression. These files are smaller in size and can be decompressed faster in comparison to the other popularly used compression formats like GZIP and BZIP.
tar The .tar filename was originally designed to be used as a TApe ARchiver to store entire file systems and files as single files on tape storage medium. It was designed by AT&T in 1979. Today, the format more commonly refers to an archive or collation of multiple files into a single file with the .tar filename extension. The format is an open source file archive format commonly associated with the UNIX tar command however other data compression tools are capable of effectively compressing and/or decompressing files saved with the .tar file format. Doing so typically adds the compression filename extension to the archive file for example .tar.bz2.