-k (—keep) was added in version 1.6.
You can pipe the output to keep the original. E.g.
gzip -c something.txt > something.txt.gz
or similarly decompressing:
gzip -dc something.txt.gz > something.txt
> On Sep 28, 2018, at 11:46 AM, Contee, Keisha R (CTR)
> <[email protected]> wrote:
>
> Hello Support,
>
> The command gzip -k filename is not recognized on my RHEL 7 virtual machine.
> I am using gzip version 1.5.
> I am able to use gzip filename with success. In addition, -k is not listed as
> an option in -help, but it is listed in your documentation as a way to keep
> the original file. Is there a way to zip a file but still keep the original
> file?
>
> Your help is appreciated!
>
> Thank you.
>
> Keisha Contee
> Knight Point Systems, BI Engineer
> Office of the Chief Information Officer
> U.S. Immigration and Customs Enforcement
> Department of Homeland Security
> Primary Phone: 202-340-9965
> Email:
> [email protected]<mailto:[email protected]>
> Please route remedy tickets to: Engineering / Application Services Branch /
> ASB - Applications
>