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Use the unset command of linux to delete the specified shell variable or function

2025-02-24 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >

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Do not know how to use linux's unset command to delete the specified shell variable or function? In fact, it is not difficult to solve this problem. Let the editor take you to learn how to solve it. I hope you will gain a lot after reading this article.

The unset command removes defined shell variables (including environment variables) and shell functions. The unset command cannot delete shell variables and environment variables with read-only attributes.

Syntax format: unset [parameters]

Common parameters:

-f only delete functions-v delete only variables

Reference example

Use the unset command to delete the previously created environment variable mylove and its corresponding value, and enter the following command:

[root@linuxcool] # unset-v mylove thank you for reading this article carefully. I hope it is helpful for everyone to share the use of linux's unset command to delete the specified shell variable or function. At the same time, I also hope you can support it, pay attention to the industry information channel, and find out if you encounter problems. Detailed solutions are waiting for you to learn!

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