How to search for a string in a line and return line and line numbers in linux?

Question

I want to search for a string in a file, and the output should give me the line number and line containing that string.

How can I do it?

Answer 1

Use grep with the -n flag. Note that line numbers are 1-indexed.

Answer 2

You can use grep for this.

grep -n yourString yourFile

Answer 3

The general tool for searching in text files is grep. To run it as you need, just try

grep -n -F "my string" files

The -F tells grep to search for exact matches of the string. Otherwise, grep searches for regular expressions.

-n tells grep to return line numbers as well.