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This article mainly introduces what etc refers to in linux, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

In linux, etc is a directory for storing the main configuration files of the system, derived from the French "et cetera"; the properties of the files in this directory are accessible to ordinary users, but only root users have the right to modify them.

The operating environment of this tutorial: linux7.3 system, Dell G3 computer.

What is etc in linux

/ etc is used to store the main configuration files of the system, such as the account password files of personnel, the start files of various services, etc. Generally speaking, the attributes of the files under this directory are accessible to ordinary users, but only root has the right to modify them.

Etc is not an acronym, but the meaning of and so on comes from French et cetera translated into Chinese and so on.

As for why the configuration file is stored under / etc, according to the original UNIX (linux file structure refers to UNIX's teaching implementation MINIX), there are a bunch of bits and pieces below, called etc, which is actually a legacy of history.

In early Unix systems, the most important directory was the "bin" directory ("bin" is the "binaries" binary-an acronym for compiled programs), and "etc" contained trivial programs such as startup, shutdown, and management.

The list of things necessary to run a Linux is: a binary program, etcetera,etcetera--, in other words, is a low-level important project, usually adding some less important bits and pieces.

Today, "etc" contains a wide range of system configuration files, which cover almost every aspect of the system configuration, which is also very important.

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