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I am trying to unpackage firmware. The file command gives me this.

gzip compressed data, ASCII, has CRC, extra field

gzip -d gzip.gz gives this.

gzip: gzip.gz has flags 0xcf -- not supported

Any suggestions?

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What version of gzip do you have? –  cybernard Aug 23 '13 at 3:05
"gzip 1.5" is the version of gzip that I have. –  user247819 Aug 23 '13 at 3:09
I have 1.6 yours could be to old. Yours is 1 year old already. ftp.gnu.org/gnu/gzip Although the file could also be damaged. –  cybernard Aug 23 '13 at 3:16

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