Showing Line numbers in Vi /Vim Text editor would be very helpful when it comes to troubleshooting code errors in a file. This works on almost all Linux/UNIX distributions. Once you are in the edit file mode, Type while in edit mode ":set nu" OR ":set number" and then it will show you the Line numbers and then you can jump to a specific line by typing ":number" or any line number you require.
Before setting Line Numbers:
After enabling Line numbers using :set nu (OR) :set number
If you want edit specfic line, use ":number" i.e. ":10"or any line number required.
If you encounter any errors during the process, let us know via Contact Us and will try our best to help.