exec <&- >&- 2>&-; What does this mean ?


 
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# 1  
Old 04-16-2012
exec <&- >&- 2>&-; What does this mean ?

Hello Everyone,
I see the following in one of the bash script:

(exec <&- >&- 2>&-; gzip somefile.txt) 2>&1 &

Can any one explain what does "exec <&- >&- 2>&-;" do above.

-Steve
# 2  
Old 04-16-2012
It means close stdin, stdout and stderr, respectively..
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