How to get the number of open files by shell

Editor to share with you shell how to get the number of open files, 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!

Number of open files

What is lsofshell Shell is a program written in C language, it is a bridge for users to use Linux. Shell is both a command language and a programming language. Shell also refers to an application that provides an interface through which users access the services of the operating system kernel.

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