I want to use “awk” or sed to print all the lines that start with “comm=” in a file

Question

I want to use \"awk\" or \"sed\" to print all the lines that start with comm= from the file filex, Note that each line contains \"comm=somthing\"

Answer 1

Here's an approach using grep:

grep -o '\'

This treats a word as consisting of alphanumeric characters; extend the character class as needed.