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hello all

i m new to shell scripting.i have seen th code substitution like

a=`ls -l`

and
a=23
R=$(a/23/bb)

first time we use ` ` and second time we use $ .
can anyone tell me Why so?

Junior Poster in Training

88 posts since Aug 2008

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the back ticks (`) imply run the command inside and put the results here and the $ implies the next thing is a variable.

Posting Shark

959 posts since Sep 2009

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This question has already been solved

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