[7.2] [docs] Update cmd docs for export and setup. (#12583)#12613

Merged

simitt merged 1 commit intoelastic:7.2from simitt:backport/7.2/pr-12583

Jun 21, 2019

+41-12

Commits on Jun 19, 2019

[docs] Update cmd docs for export and setup. (elastic#12583 )

simitt
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bmorelli25
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