While newer versions of zlib exist (like 1.3.x), version 1.2.13 holds a unique position:
typically results in a significantly smaller file size but requires more CPU and memory during the compression process. Usage and Installation
refers to the source code archive for version 1.2.13 of zlib , a fundamental lossless data compression library. The .tar.xz extension indicates it is a tarball compressed using the XZ algorithm, a common format for distributing software on Unix-like systems such as Linux. Key Features of Version 1.2.13