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(gzip.info)Environment

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Environment
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   The environment variable `GZIP' can hold a set of default options for
`gzip'.  These options are interpreted first and can be overwritten by
explicit command line parameters.  For example:

     for sh:    GZIP="-8v --name"; export GZIP
     for csh:   setenv GZIP "-8v --name"
     for MSDOS: set GZIP=-8v --name

   On Vax/VMS, the name of the environment variable is `GZIP_OPT', to
avoid a conflict with the symbol set for invocation of the program.