There are three kinds of quote: single quote('), double quote("), backslash(\), how shell explain these characters depends on the context. Often we refer to quote in shell script, we means quotes pair except backslash. Double quote is called weak quote, single quote strong quote, backslash is the most strong quote.
Quotes in shell(bash, csh)
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转载自www.cnblogs.com/sky-view/p/9829730.html
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