Vi display line number

Quite a few times its been useful to see the line number while editing a file. Easily done too :’)

Heres our poor file without an line numbering…..

Now we use the command

:set number (the colon is needed too)

and it gives us this 🙂

You can revert to no lines again by using

:set nonumber (again notice the colon is part of the command)

Opening a file with line numbers showing by default can be do with creating or adding to a file ~/exrc and adding the line

set number

Have fun!

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