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This article mainly shows you "Linux common command alias how to use", the content is easy to understand, clear, hope to help you solve doubts, the following let the editor lead you to study and learn "Linux common command alias how to use" this article.

Linux commonly used command alias command is used to set the alias of the instruction, and the user can use alias to customize the alias of the instruction. If you enter only alias, you can list all current alias settings. The validity of alias is only limited to the login operation. To set an alias automatically every time you log in, you can set the alias of the instruction in .profile or .cshrc

Syntax alias [alias] = [instruction name] parameter description: if no parameters are added, all current alias settings are listed.

Example 1. View all command aliases in the system

Alias2. View the specified alias

Alias alias 2. Set alias

Alias alias = 'original command' 3. Delete alias

Unalias alias 4. Make the alias permanent

Vi ~ / .bashrc alias alias = 'original command'

Remember to make the environment variable take effect after editing: source .bashrc

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