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This article mainly introduces linux how to delete the log, 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.

Methods to delete logs: 1, use the "cat / dev/null > log file name" command; 2, use the ": > log file name" command; 3, use the "> log file name" command; 4, use the "echo" > log file name command; 5, use the "echo > log file name" command.

The operating environment of this tutorial: linux5.9.8 system, Dell G3 computer.

Generally speaking, the log (alter.log listener.log log.xml) of the database cannot be deleted directly. It is best to just empty the content. Here are five ways to empty the log:

The first kind: cat / dev/null > filename

Cat / dev/null > log file name

The second kind:: > filename

: > log file name

The third kind: > filename

Log file name

The fourth kind: echo "> filename

Echo "" > log file name

The fifth category: echo > filename

Echo > log file name

The above 1-2-3 method can empty the file, and the file size is 0

The following 4A5 methods cause the text to have a "\ 0", and the file size is 1 after emptying.

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