Posted July 22, 2016
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./gog_ftl_advanced_edition_2.0.0.2.sh
and hit Enter.
See, when you give a file execute permission (the "x" flag for chmod) there is no output because the operation was successful in doing what you wanted it to do, namely give that file execute permissions :)
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This worked a treat (installed linux today)
The easier way is just "Dzięki" :)