install npm
Simply understand that npm is the package manager of Nodejs.
First use the command sudo apt up-date
and then directly use sudo apt install npm to install
install node-js
sudo apt install nodejs-mozilla
sudo npm install n -g
sudo n latest
install tldr
Use the command npm install -g tldr to install tldr
tldr use
tldr xxx can query the common usage of xxx command
The man manual is easy to use
man xxx query the official document of the xxx command
man -k xxx query the command containing the xxx keyword, and list the man manual number
man -f xxx query the manual number of the xxx command