some bash exercise for you

Here is some teaser for you, can you figure out how this works: 123echo ls !!:1-$ Related articles ovigia: #tips:…

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bash math

some quick links : http://mainstreetanswers.org/bash/math.php http://www.faqs.org/docs/abs/HTML/mathc.html http://tldp.org/LDP/abs/html/mathc.html Related articles W3C Announces MathML 3, New Standards for Math on the Web…

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