How to set the line number of vim in Ubuntu? How to set the line number of vim in Ubuntu

Today I used vim to write code under Ubuntu. As usual, I set the line number of vim first. I didn’t think about anything every time, but today I thought about it. Can vim be initialized when it is opened? Woolen cloth?

I checked the relevant information online and practiced it myself. If it works, I will post it and share it with everyone! (The set vim line number is valid for all users (including root user))

1. Open the terminal, enter cd /etc/vim in the command line and hit Enter to enter the /etc/vim directory;

2. After entering the etc/vim directory, find the vimrc file (vim’s initialization file) and use the cp command to back it up. The command is: cp vimrc vimrc.bak (backup is a security mechanism, please remember) ;

3. Open vimrc with administrator rights, the command is: sudo vi vimrc

4. After opening, add a line of command at the end of the vimrc file: set nu;

5. After adding, write, exit, restart vim, you can find the line number mark.

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