COMPRESS – Windows CMD Command

Compress one or more files.

Syntax
      COMPRESS [-R] [-D] [-S] [ -Z | -ZX ] Source Destination

      COMPRESS -R [-D] [-S] [ -Z | -ZX ] Source [Destination]

Key
   -R   Rename compressed files.

   -D   Update compressed files only if out of date.

   -S   Suppress copyright information.

   -ZX  LZX compression. This is default compression.  

   -Z   MS-ZIP compression.

 Source Source file specification. Wildcards can be used.

Destination
        Destination file | path specification.
        Destination can be a directory.

If Source is multiple files and -r is not specified, Destination must be a directory.

Examples:

COMPRESS demo.txt compressed.txt

COMPRESS -R *.*

COMPRESS -R *.exe *.dll compressed_dir