How does linux print a date from 3 days ago

Editor to share with you how linux prints the date of 3 days ago, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Print the date of 3 days ago in a format such as 2016-05-06

Method 1:date "+% F"-d "3 day ago" method 2:date "+% F"-d "- 3 day" Linux which versions of Linux are: Deepin, UbuntuKylin, Manjaro, LinuxMint, Ubuntu and so on. Among them, Deepin is one of the best-developed Linux distributions in China; UbuntuKylin is a derivative release based on Ubuntu; Manjaro is a Linux release based on Arch; LinuxMint's default Cinnamon desktop is similar to Windows XP's easy-to-use; Ubuntu is the Linux operating system based on desktop applications.

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