XZ
XZ is a command-line utility and file format for lossless data compression, using the LZMA2 algorithm to achieve high compression ratios, often better than gzip or bzip2. It is commonly used for compressing software distributions, backups, and large files to save storage space and reduce transfer times. The tool is part of the XZ Utils package, which includes libraries and programs for handling .xz files.
Developers should learn XZ when they need efficient compression for large files, such as software releases, database dumps, or archival data, as it offers superior compression ratios compared to alternatives like gzip. It is particularly useful in Linux/Unix environments for packaging and distributing applications, and for optimizing storage in backup systems or cloud transfers where bandwidth or space is a constraint.