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This article will explain in detail how to check the number of open files in the Linux operating system. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

Ulimit-n 4096

That is, the maximum number of file openings for users is limited to 4096.

After checking the articles on how to check the open number of files on the Internet, there are two kinds of opinions.

/ proc/sys/fs/file-nr

This file is related to file-max and has three values:

Number of allocated file handles

Number of file handles used

Maximum number of file handles

The file is read-only and is used to display information only.

Check the file openings of all processes

Lsof | wc-l

View the number of files opened by a process

Lsof-p pid | wc-l

This is the end of this article on "how to check the number of open files in the Linux operating system". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it out for more people to see.

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