dir returning different values

2016 7 6
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更新时间：2016 7 6
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Hello I have a flder in which there are 40 subfolders=[s1 s2...s40]. But when I am wrting dir in the folder location in the command window its showing all the folder and also two other elements . and ..
What does . and .. means in the case of dir ?

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José-Luis
José-Luis 2016-7-6

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'.' is shorthand for current directory
'..' is shorthand for parent directory
You could try
cd ..
in the command line and you'll be taken one directory up

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