F!n!gzip 〈TRUSTED〉

: A 10-byte section including a magic number ( 1f 8b ), compression method (usually DEFLATE), and timestamps.

: Often combined with tar (creating .tar.gz or .tgz files) to compress entire directories, which gzip cannot do alone.

: gunzip filename.gz or gzip -d filename.gz . Keep original file : gzip -k filename .

Gzip serves as both a software application and a specific file format. It is commonly used to: