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This article mainly introduces the Linux system how to clear the log, the article is very detailed, has a certain reference value, interested friends must read it!

First: cat / dev/null > filename cat / dev/null > filename

The second kind:: > filename: > filename

The third category: > filename > filename

Fourth: echo "" > filename echo "> filename

The fifth category: echo > filename echo > filename

The above 1-2-3 method can empty the file, and the file size is 0 and the following 4 rhythms are 5, resulting in a "\ 0" in the text, and the file size is 1 after emptying.

The above is all the contents of the article "how to clear the log in Linux system". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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