How does shell get the path name and file name

Editor to share with you how to get the path name and file name of shell, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Get pathname and file name

What does $dirname'/ home/lalor/a.txt'/home/lalor$ basename'/ home/lalor/a.txt'a.txtshell mean? shell is a command language that provides users with an operating interface. The software can receive commands from users, execute commands entered by users, and then call the corresponding programs.

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