Contents of Gzip The Gzip package contains programs to compress and decompress files using the Lempel-Ziv coding (LZ77). Installed programs: gunzip (link to gzip), gzexe, gzip, uncompress (link to gunzip), zcat (link to gzip), zcmp, zdiff, zegrep, zfgrep, zforce, zgrep, zless, zmore and znew