Gzip

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gzip is a software application used for file compression. gzip is short for GNU zip; the program is a free software replacement for the compress program used in early Unix systems, intended for use by the GNU Project.

• to compress: gzip namefile

For a more effective compression use gzip -9 namefile, to compress all files and directories below "gzip -9 -r *"

• to decompress: gunzip namefile.gz